SDS1000X-E User Manual
SDS1000X-E Series
Digital Oscilloscope
User Manual
UM0101E-E03C
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Copyright and Declaration
Copyright
SIGLENT
TECHNOLOGIES
CO
., LTD. All Rights Reserved.
Trademark Information
SIGLENT
is the registered trademark of
SIGLENT
TECHNOLOGIES CO., LTD.
Declaration
SIGLENT
products are protected by patent law in and outside of P.R.C.
SIGLENT
reserves the right to modify or change parts of or all the specifications or pricing policies
at company’s sole decision.
Information in this publication replaces all previously corresponding material.
Any way of copying, extracting or translating the contents of this manual is not allowed without the
permission of
SIGLENT
.
Product Certification
SIGLENT
guarantees this product conforms to the national and industrial stands in China and
other international stands conformance certification is in progress.
Contact Us
If you have any problem or requirement when using our products, please contact
SIGLENT
TECHNOLOGIES CO., LTD
Add：3//F, Bldg No.4, Antongda Industrial Zone, 3rd Liuxian Road, Bao’an District, Shenzhen,
518101, P.R.China
Tel：400-878-0807
E-mail：sales@siglent.com
http://www.siglent.com
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Safety Information
General Safety Summary
Carefully read the following safety precautions to avoid any personal injury or damage to the
instrument and any products connected to it. To avoid potential hazards, please use the
instrument as specified.
Use Proper Power Line
Only the power cord designed for the instrument and authorized by local country could be used.
Ground the Instrument
The instrument is grounded through the protective earth conductor of the power line. To avoid
electric shock, please make sure the instrument is grounded correctly before connecting its input
or output terminals.
Connect the Signal Wire Correctly
The potential of the signal wire is equal to the earth, so do not connect the signal wire to a high
voltage.
Look Over All Terminals
’
Ratings
To avoid fire or electric shock, please look over all ratings and sign instruction of the instrument.
Before connecting the instrument, please read the manual carefully to gain more information
about the ratings.
Use Proper Overvoltage Protection
Make sure that no overvoltage (such as that caused by a thunderstorm) can reach the product, or
else the operator might expose to danger of electrical shock.
Electrostatic Prevention
Operate in an electrostatic discharge protective area environment to avoid damages induced by
static discharge. Always ground both the internal and external conductors of the cable to release
static before connecting.
Keep Well Ventilation
Inadequate ventilation may cause increasing of temperature, which will eventually damage the
instrument. So keep well ventilation and inspect the intake and fan regularly.
Avoid Circuit or Components Exposed
Do not touch exposed contacts or components when the power is on.
Use proper Fuse
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Use only the specified fuse.
Do Not Operate Without Covers
Do not operate the instrument with covers or panels removed.
Do Not Operate With Suspected Failures.
If you suspect damage occurs to the instrument, have it inspected by qualified service personnel
before further operations. Any maintenance, adjustment or replacement especially to circuits or
accessories must be performed by
SIGLENT
authorized personnel.
Do Not Operate in Wet Conditions.
In order to avoid short circuiting to the interior of the device or electric shock, please do not
operate in a humid environment.
Do Not Operate in an Explosive Atmosphere.
In order to avoid damages to the device or personal injuries, it is important to operate the device
away from an explosive atmosphere.
Keep Product Surfaces Clean and Dry.
To avoid the influence of dust and/or moisture in air, please keep the surface of device clean and
dry.
Handling Safety
Please handle with care during transportation to avoid damages to buttons, knob interfaces and
other parts on the panels.
Only probe assemblies which meet the manufacturer’s specifications shall be used.
When use 2X/…/10000X probe assemblies, the probe assemblies shall be insulated from the
measured circuits by double or reinforced insulation.
All probe assemblies should meet the requirements of UL 61010-031 and CAN/CSA-C22.2 No.
61010-031-07.
Not to position the equipment so that it is difficult to operate the disconnecting device (detachable
plug).
If the equipment is used in a manner not specified by the manufacturer, the protection provided by
the equipment may be impaired
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Safety Terms and Symbols
Terms in this Manual
. These terms may appear in this manual:
WARNING
Warning statements indicate the conditions or practices that could
result in injury or loss of life.
CAUTION
Caution statements indicate the conditions or practices that could
result in damage to this product or other property.
Terms on the product.
These terms may appear on the product:
DANGER
Indicates direct injuries or hazards that may happen.
WARNING
Indicates potential injuries or hazards that may happen.
CAUTION
Indicates potential damages to the instrument or other property that may happen.
Symbols on the product.
These symbols may appear on the product:
Hazardous protective Earth Warning Test Power Switch
Voltage Terminal Ground
If find such symbols on the product, consult the manual to find out the nature of the potential
hazard and the actions which have to be taken
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Measurement Category
Measurement Categories
This oscilloscope can make measurements in other circuits that are not directly connected to
mains.
WARNING
This oscilloscope can only be used for measurements within its specified
measurement categories. Not to use the product for measurements within other
measurement categories, such as CAT II, CAT III, CAT IV.
Not to use the equipment for measurements on mains circuits
Measurement Category Definitions
Measurement category II is for measurements performed on circuits directly connected to the low
voltage installation. Examples are measurements on household appliances, portable tools and
similar equipment.
Measurement category III is for measurements performed in the building installation. Examples
are measurements on distribution boards, circuit-breakers, wiring, including cables, bus-bars,
junction boxes, switches, socket-outlets in the fixed installation, and equipment for industrial use
and some other equipment, for example. Stationary motors with permanent connection to the
fixed installation.
Measurement category IV is for measurements performed at the source of the low-voltage
installation. Examples are electricity meters and measurements on primary over current
protection devices and ripple control units.
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Working Environment
Temperature
Operating: 10℃ to +40℃
Non-operation:-20℃ to +70℃
Humidity
Under +35℃:≤90% relative humidity
+35℃ to +40℃: ≤60% relative humidity
WARNING
To avoid short circuit inside the instrument or electric shock, please do not operate in
humid environment.
Altitude
Operating: less than 3 Km
Non-operation: less than 15 Km
Degree of protection
IP20
Installation (overvoltage) Category
This product is powered by mains conforming to installation (overvoltage) category II.
WARNING
Make sure that no overvoltage (such as that caused by thunderbolt) can reach the
product, or else the operator might expose to danger of electric shock.
Installation (overvoltage) Category Definitions
Installation (overvoltage) category I refers to signal level which is applicable to equipment
measurement terminals connected to the source circuit. In these terminals, precautions are done
to limit the transient voltage to the corresponding low level.
Installation (overvoltage) category II refers to the local power distribution level which is applicable
to equipment connected to the AC line (AC power).
Ventilation Requirement
This oscilloscope uses fan to force cooling. Please make sure that the air intake and exhaust
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areas are free from obstructions and have free air. When using the oscilloscope in a bench-top or
rack setting, provide at least 10 cm clearance beside, above and behind the instrument for
adequate ventilation.
WARNING
Inadequate ventilation may cause temperature increase which would damage the
instrument. So please keep the instrument well ventilated during operation and
inspect the intake and fan regularly.
General Care and Cleaning
Care
Do not store or leave the instrument in direct sunshine for long periods of time.
WARNING
To avoid damages to the instrument or probe, please do not leave them in fog, liquid,
or solvent.
Cleaning
Please perform the following steps to clean the instrument and probe regularly according to its
operating conditions.
Disconnect the instrument from all power sources, and then clean it with a soft wet cloth.
Clean the loose dust on the outside of the instrument and probe with a soft cloth. When cleaning
the LCD, take care to avoid scarifying it.
WARNING
To avoid damages to the surface of the instrument and probe, please do not use any
corrosive liquid or chemical cleanser.
WARNING
Make sure that the instrument is completely dry before restarting it to avoid short
circuits or personal injuries.
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L'information de s
û
ret
é
Résumé général de sûreté
Lisez soigneusement les mesures de sécurité suivantes pour éviter n'importe quelles blessures ou
les dommages à l'instrument et à tous les produits se sont reliés à eux. Pour éviter des risques,
utilisez svp l'instrument comme indiqué.
Employez la ligne
à
haute tension appropri
é
e
Seulement le cordon de secteur conçu pour l'instrument et autorisé par le pays local a pu être
employé.
A rectifi
é
l'instrument.
L'instrument est fondu par le conducteur protecteur de terra de la ligne à haute tension. Pour
éviter la décharge électrique, le conducteur moulu doit être relié à la terre. Assurez-vous que
l'instrument est fondu correctement avant de relier ses bornes d'entrée ou de rendement.
Reliez le fil de signal correctement.
Le potentiel de l'au sol de fil de signal est égal à la terre, ainsi ne relie pas le fil de signal à une
tension.
Regardez estimations au-dessus de toutes les bornes des'
Pour éviter le feu ou la décharge électrique, regardez svp au-dessus de toutes les estimations et
instruction de signe de l'instrument. Avant de relier l'instrument, lisez svp le manuel
soigneusement pour obtenir plus d'informations sur les estimations.
Employez la protection appropri
é
e de surtension
Assurez-vous qu'aucune surtension (comme cela provoqué par un orage) ne peut atteindre le
produit, ou bien l'opérateur pourrait exposer au danger du choc électrique.
Emp
ê
chement
é
lectrostatique
Fonctionnez dans un environnement protecteur de secteur de décharge électrostatique pour
éviter des dommages induits par décharge statique. A toujours rectifié les conducteurs internes et
externes du câble pour libérer la charge statique avant de se relier.
La ventilation insatisfaisante de ventilation
bonne de subsistance peut causer l'augmentation de la température, qui endommagera par la
suite l'instrument. Gardez ainsi la ventilation bonne et inspectez la prise et éventez régulièrement.
É
vitez le circuit ou les composants expos
é
s
ne touchent pas les contacts ou les composants exposés quand le courant passe.
Employez l'utilisation appropri
é
e
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de fusible seulement le fusible indiqué.
Ne fonctionnez pas sans couvertures
n'actionnent pas l'instrument des couvertures ou des panneaux étant coupés.
Ne fonctionnez pas avec des
é
checs suspect
é
s.
Si vous suspectez les dommages se produisent à l'instrument, l'ont inspecté par le personnel de
service qualifié avant d'autres opérations. N'importe quel entretien, ajustement ou remplacement
particulièrement aux circuits ou aux accessoires doivent être exécutés par le personnel autorisé
par
SIGLENT
.
Ne fonctionnez pas en conditions humides.
Afin d'éviter de court-circuiter à l'intérieur du dispositif ou de la décharge électrique, svp ne
fonctionnez pas dans un environnement humide.
Do Not Operate in an Explosive Atmosphere.
Ne fonctionnez pas dans une atmosphère explosive.
Afin d'éviter d'endommager le dispositif ou les blessures, il est important d'utiliser le dispositif loin
à partir d'une atmosphère explosive.
Maintenez les surfaces de produit propres et s
è
ches.
Pour éviter l'influence de la poussière et/ou de l'humidité en air, maintenez svp la surface du
dispositif propre et sèche.
En manipulant la s
û
ret
é
manipulez svp avec soin pendant le transport pour éviter d'endommager des boutons, des
interfaces de bouton et d'autres parties sur les panneaux.
Sondez seulement les ensembles qui répondent aux caractéristiques du fabricant seront
employés.
Quand des sondes de l'utilisation 5X/10X/50X/100X/500X/1000X, les sondes seront isolées des
circuits mesurés par le double ou l'isolation renforcée.
Toutes les sondes devraient répondre aux exigences de l'UL 61010-031 et du CAN/CS A-C22.2
No. 61010-031-07
Le corps ou l'opérateur responsable devrait se référer au manuel d'instruction pour préserver la
protection se permettent par l'équipement. Si l'équipement est utilisé en quelque sorte non indiqué
par le fabricant, la protection fournie par l'équipement peut être altérée.
On ne permet à aucune pièce du dispositif et de ses accessoires d'être changé ou remplacé, autre
qu'autorisé par le fabricant ou son agent.
Pas placez l'équipement de sorte qu'il soit difficile d'utiliser le dispositif débranchant (prise
détachable).
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Limites et symboles de sûreté
Limites en ce manuel.
Ces limites peuvent apparaître en ce manuel :
Les rapports
d'avertissement D'AVERTISSEMENT indiquent les
conditions ou les pratiques qui pourraient avoir
comme conséquence les dommages ou la perte de la ie.
Les rapports
d'attention d'ATTENTION indiquent les conditions ou
les pratiques qui pourraient avoir comme consequence
les dommages à ce produit ou à toute autre propriété.
Limites sur le produit.
Ces limites peuvent apparaître sur le produit :
Le DANGER indique les dommages ou les risques directs qui peuvent se produire.
Dommages ou risques potentiels de WARNINGIndicates qui peuvent se produire.
L'ATTENTION indique des dommages potentiels à l'instrument ou à toute autre propriété qui
peuvent se produire.
Si la trouvaille de tels symboles sur le produit, consultent le manuel pour découvrir la nature du
risque et des actions qui doivent être pris.
Symboles sur le produit.
Ces symboles peuvent apparaître sur le produit :
Dangereux Protecteur Avertissement Châssis Puissance
Tension Au sol de la terre Ground Switch
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Cat
é
gorie de mesure
Les oscilloscopes peuvent faire des mesures dans d'autres circuits qui ne sont pas directement
reliés aux forces. Pour ne pas employer le produit pour des mesures dans d'autres catégories de
mesure, telles que le CAT II, CAT III, CAT IV.
Ne pas utiliser l'équipement pour des mesures sur des forces circuite, pour ne pas utiliser
l'équipement pour des mesures sur la tension excèdent la gamme de tension décrivent dans le
manuel.
cet oscilloscope peut seulement être employé pour des mesures dans
ses catégories indiquées de mesure.
La cat
é
gorie II de mesure
de définitions de catégorie de mesure est pour des mesures effectuées sur des circuits
directement reliés à l'installation de basse tension. Les exemples sont des mesures sur des
appareils électroménagers, des outils portatifs et l'équipement semblable.
La catégorie III de mesure est pour des mesures effectuées dans l'installation de bâtiment. Les
exemples sont des mesures sur des conseils de distribution, des disjoncteurs, le câblage, y
compris des câbles, des barres omnibus, des boîtes de jonction, des commutateurs, des
douille-sorties dans l'installation fixe, et l'équipement à l'utilisation industrielle et à un autre
équipement,
par exemple. Moteurs stationnaires avec le raccordement permanent à l'installation fixe.
La catégorie IV de mesure est pour des mesures effectuées à la source d'installation de basse
tension.Les exemples sont des mètres et des mesures de l'électricité sur les dispositifs de
protection d'excédent primaire et les unités de commande courants d'ondulation.
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Environnement de fonctionnement
Op
é
ration
de la température : 10℃ au non-fonctionnement
de +40℃ : - 20℃ à l'humidité
de +70℃
sous +35℃ : humidité relative +35℃
de ≤90% à +40℃ : humidité relative de ≤60%
EN
AVERTISSANT
d'éviter le court-circuit à l'intérieur de l'instrument ou de la
décharge électrique, svp ne fonctionnez pas dans l'environnement
humide.
Op
é
ration
d'altitude : moins de 3 kilomètres
de non-fonctionnement : moins de 15 kilomètres
La cat
é
gorie d'installation (surtension)
ce produit est actionnée par des forces conformément à la catégorie II. d'installation
(surtension).
EN AVERTISSANT
assurez-vous qu'aucune surtension (comme cela provoqué par coup de
foudre) ne peut atteindre le produit, ou bien l'opérateur pourrait
exposer au danger de la décharge électrique.
La catégorie II d'installation de définitions de catégorie d'installation
(surtension) (surtension) se rapporte au niveau local de distribution d'énergie qui est
applicable à l'équipement relié à la ligne à C.A. (courant alternatif).
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Condition de ventilation
This oscilloscope uses fan to force cooling. Please make sure that the air intake and
exhaust areas are free from obstructions and have free air. When using the oscilloscope
in a bench-top or rack setting, provide at least 10 cm clearance beside, above and behind
the instrument for adequate ventilation.
Cet oscilloscope utilise le ventilateur pour forcer le refroidissement. Veuillez s'assurer que
les secteurs d'entrée et d'échappement d'air sont exempts des obstructions et ont l'air
libre. À l'aide de l'oscilloscope dans un mettre hors jeu-dessus ou un arrangement de
support, fournissez au moins le dégagement de 10 centimètres près, au-dessus et
derrière de l'instrument pour à ventilation proportionnée.
La ventilation insatisfaisante peut causer l'augmentation de la température qui
endommagerait l'instrument. Veuillez ainsi la subsistance l'instrument bien
aéré lors du fonctionnement et inspectez la prise et éventez
régulièrement.
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Soin général et nettoyage
Ne stockez pas ou ne laissez pas l'instrument en soleil direct pendant de longues
périodes.
Pour éviter d'endommager l'instrument, svp ne les laissez pas dans le
brouillard, le liquide, ou le dissolvant.
nettoyage
Veuillez exécuter les étapes suivantes pour nettoyer l'instrument régulièrement selon ses
conditions de fonctionnement.
1. Démontez l'instrument de toutes les sources d'énergie, et puis nettoyez-le avec un tissu
humide mou.
2. Nettoyez la poussière lâche sur l'extérieur de l'instrument avec un tissu mou. En
nettoyant l'affichage à cristaux liquides, salut pour éviter de le scarifier.
Pour éviter d'endommager la surface de l'instrument, svp n'utilisez aucune
épierreuse corrosive de liquide ou de produit chimique.
Assurez-vous que l'instrument est complètement sec avant de le remettre en
marche pour éviter des courts-circuits ou des blessures.
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Document Overview
This manual introduces how to use the digital oscilloscope in details.
Quick Start
Provide information about preparations before
using the instrument and a brief introduction of
the instrument.
Vertical System
Introduce the functions of the vertical system of
the oscilloscope.
Horizontal System
Introduce the functions of the horizontal system
of the oscilloscope.
Sample System
Introduce the functions of the sample system of
the oscilloscope.
Trigger
Introduce the trigger mode, trigger coupling,
trigger hold
off, external trigger and various
trigger types of the oscilloscope.
Serial Trigger and Decode Introduce the functions of the sample system of
the oscilloscope.
Reference Waveform I
ntroduce how to save and display REF
waveform.
Math Introduce the math operation function of the
oscilloscope.
Cursors Introduce
how to use cursors to make
measurements.
Measure I
ntroduce how to use measure function to
measure the waveform parameters.
Display Introduce how to set
the display of the
oscilloscope.
Save and Recall Introduce how to save
and recall the
measurement re
sult and the setting of the
oscilloscope.
Digital Channels(Option) Introduce the oscilloscope's digital channel
System Setting Introduce how to set the system setup.
Bode Plot II Introduce how to set the Bode Plot II.
Search Introduce the oscilloscope search function
Navigate
Introduce
Describe how to use the waveform
navigation function of the oscilloscope
History Introduce how to
use and set historical
waveform functions.
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Table of Content
Copyright and Declaration .................................................................................................... I
Safety Information ................................................................................................................ II
General Safety Summary ............................................................................................. II
Safety Terms and Symbols ........................................................................................ IV
Measurement Category ............................................................................................... V
Working Environment ................................................................................................. VI
Ventilation Requirement ............................................................................................. VI
General Care and Cleaning ....................................................................................... VII
L'information de sûreté ..................................................................................................... VIII
Résumé général de sûreté ....................................................................................... VIII
Limites et symboles de sûreté ..................................................................................... X
Catégorie de mesure .................................................................................................. XI
Environnement de fonctionnement ........................................................................... XII
Condition de ventilation ............................................................................................ XIII
Soin général et nettoyage ........................................................................................ XIV
Document Overview ......................................................................................................... XV
Quick Start ........................................................................................................................... 1
General Inspection ....................................................................................................... 2
Appearance and Dimensions ....................................................................................... 3
Prepare for Using ......................................................................................................... 5
Adjust the Supporting Legs ................................................................................... 5
Connect the Power Supply.................................................................................... 5
Power-on Inspection ............................................................................................. 6
Connect the Probe ................................................................................................ 6
Function Inspection ............................................................................................... 6
Probe Compensation ............................................................................................ 7
Front Panel Overview ................................................................................................... 9
Rear Panel Overview.................................................................................................. 11
Front Panel Function Overview .................................................................................. 13
Horizontal ............................................................................................................ 13
Vertical................................................................................................................. 14
Trigger ................................................................................................................. 15
Run Control ......................................................................................................... 16
Universal Knob .................................................................................................... 17
Menu .................................................................................................................... 18
Help ............................................................................................................................ 20
User Interface ............................................................................................................. 21
Security Lock .............................................................................................................. 24
Vertical System .................................................................................................................. 25
Enable the Channel .................................................................................................... 26
Adjust Scale ................................................................................................................ 27
Vertical Position .......................................................................................................... 28
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Coupling ...................................................................................................................... 28
Bandwidth Limit .......................................................................................................... 29
Probe .......................................................................................................................... 29
Input Impedance ......................................................................................................... 30
Unit ............................................................................................................................. 30
Deskew ....................................................................................................................... 30
Invert ........................................................................................................................... 31
Trace Visible/Hidden .................................................................................................. 31
Horizontal System .............................................................................................................. 32
Horizontal Scale ......................................................................................................... 33
Trigger Delay .............................................................................................................. 34
Roll Mode .................................................................................................................... 35
Zoom Mode................................................................................................................. 36
Sample System .................................................................................................................. 38
Run Control................................................................................................................. 39
Overview ..................................................................................................................... 40
Sampling Theory ................................................................................................. 40
Sample Rate ........................................................................................................ 40
Bandwidth and Sample Rate .............................................................................. 41
Memory Depth ............................................................................................................ 43
Sampling Mode ........................................................................................................... 43
Interpolation Method ................................................................................................... 43
Acquisition Mode ........................................................................................................ 46
Normal ................................................................................................................. 46
Peak Detect ......................................................................................................... 46
Average ............................................................................................................... 48
Eres ..................................................................................................................... 49
Horizontal Format ....................................................................................................... 50
Sequence Mode ......................................................................................................... 52
Trigger ................................................................................................................................ 54
Trigger Source ............................................................................................................ 56
Trigger Mode .............................................................................................................. 57
Trigger Level ............................................................................................................... 59
Trigger Coupling ......................................................................................................... 60
Trigger Holdoff ............................................................................................................ 61
Noise Rejection .......................................................................................................... 62
Trigger Type ............................................................................................................... 64
Edge Trigger ........................................................................................................ 65
Slope Trigger ....................................................................................................... 67
Pulse Trigger ....................................................................................................... 69
Video Trigger ....................................................................................................... 71
Window Trigger ................................................................................................... 74
Interval Trigger .................................................................................................... 77
DropOut Trigger .................................................................................................. 79
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Runt Trigger ........................................................................................................ 82
Pattern Trigger .................................................................................................... 84
Serial Trigger and Decode ................................................................................................. 86
I2C Trigger and Serial Decode ................................................................................... 87
Setup for I2C Signals .......................................................................................... 87
I2C Trigger .......................................................................................................... 88
I2C Serial Decode ............................................................................................... 91
SPI Trigger and Serial Decode................................................................................... 92
Setup for SPI Signals .......................................................................................... 92
SPI Trigger .......................................................................................................... 94
SPI Serial Decode ............................................................................................... 95
UART Trigger and Serial Decode .............................................................................. 96
Setup for UART Signals ...................................................................................... 96
UART Trigger ...................................................................................................... 98
UART Serial Decode ........................................................................................... 99
CAN Trigger and Serial Decode ............................................................................... 101
Setup for CAN Signals ...................................................................................... 101
CAN Trigger ...................................................................................................... 102
CAN Serial Decode ........................................................................................... 104
LIN Trigger and Serial Decode ................................................................................. 106
Setup for LIN Signals ........................................................................................ 106
LIN Trigger ........................................................................................................ 107
LIN Serial Decode ............................................................................................. 109
Reference Waveform ....................................................................................................... 111
Save REF Waveform to Internal Memory ................................................................ 112
Display REF Waveform ............................................................................................ 112
Adjust REF Waveform .............................................................................................. 113
Clear REF Waveform ............................................................................................... 113
Math ................................................................................................................................. 115
Units for Math Waveforms ........................................................................................ 116
Math Operators ......................................................................................................... 117
Addition or Subtraction ...................................................................................... 117
Multiplication and Division ................................................................................. 118
FFT Operation ................................................................................................... 119
Math Function Operation ................................................................................... 123
Cursors............................................................................................................................. 128
X Cursors .................................................................................................................. 128
Y Cursors .................................................................................................................. 128
Make Cursor Measurements .................................................................................... 130
Measure ........................................................................................................................... 132
Type of Measurement............................................................................................... 133
Voltage Measurements ..................................................................................... 133
Time Measurements ......................................................................................... 134
Delay Measurements ........................................................................................ 135
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Automatic Measurement .......................................................................................... 137
All Measurement ....................................................................................................... 139
Gate Measurement ................................................................................................... 140
Clear Measurement .................................................................................................. 140
Display ............................................................................................................................. 141
Display Type ............................................................................................................. 142
Color Display ............................................................................................................ 143
Persistence ............................................................................................................... 144
Clear Display ............................................................................................................ 145
Grid Type .................................................................................................................. 145
Intensity .................................................................................................................... 145
Grid Brightness ......................................................................................................... 146
Transparence ........................................................................................................... 146
Save and Recall ............................................................................................................... 147
Save Type ................................................................................................................. 148
Internal Save and Recall .......................................................................................... 150
External save and recall ........................................................................................... 151
Disk Management ..................................................................................................... 154
Create a New File or Folder .............................................................................. 155
Delete a File or Folder ....................................................................................... 156
Rename a File or Folder ................................................................................... 156
Digital Channels(Option) .................................................................................................. 157
Connect the Digital Probes ....................................................................................... 158
Acquire Digital Waveform ......................................................................................... 159
Digital Channels Height ............................................................................................ 159
Digital Channels Position ......................................................................................... 160
Single Digital Channel .............................................................................................. 160
All Digital Channels .................................................................................................. 161
Logic Threshold ........................................................................................................ 161
Digital Bus ................................................................................................................. 162
Deskew ..................................................................................................................... 163
System Setting ......................................................................................................... 164
System Status ................................................................................................... 164
Remove Device ........................................................................................................ 165
System Setting ................................................................................................................. 166
View System Status .................................................................................................. 167
Do Self Cal................................................................................................................ 167
Quick-Cal .................................................................................................................. 169
Sound ....................................................................................................................... 169
Language .................................................................................................................. 169
Pass/Fail Test ........................................................................................................... 170
Set and Perform Pass/Fail Test ........................................................................ 170
Save and Recall Test Mask .............................................................................. 171
Arbitrary Waveform Generator(Option) .................................................................... 174
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Output ................................................................................................................ 175
Wave ................................................................................................................. 175
Setting ............................................................................................................... 177
Systems ............................................................................................................. 178
Remove Device ................................................................................................. 180
IO Set ........................................................................................................................ 181
USB Device ....................................................................................................... 181
LAN .................................................................................................................... 181
WLAN ................................................................................................................ 182
Web Server ............................................................................................................... 184
Update Firmware and Configuration ........................................................................ 185
Do Self-Test .............................................................................................................. 186
Screen Test ....................................................................................................... 186
Keyboard Test ................................................................................................... 187
LED Test ........................................................................................................... 187
Screen Saver ............................................................................................................ 189
Reference Position ................................................................................................... 190
Power On Line .......................................................................................................... 190
Option Management ................................................................................................. 191
Bode Plot II ...................................................................................................................... 193
Perform Bode Plot .................................................................................................... 193
Setting ....................................................................................................................... 193
Example .................................................................................................................... 197
Simple Sweep Operation .................................................................................. 197
Vari-level Sweep Operation .............................................................................. 199
Search .............................................................................................................................. 202
Setting ....................................................................................................................... 202
Results ...................................................................................................................... 203
Navigate ........................................................................................................................... 205
Time Navigate .......................................................................................................... 205
History Frame Navigate ............................................................................................ 205
Search Event Navigate ............................................................................................. 206
History .............................................................................................................................. 207
Factory Setup ................................................................................................................... 209
Troubleshooting ............................................................................................................... 210
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Content of Figure
Figure 1 Front View (2-channel scope) ........................................................................ 3
Figure 2 Top View (2-channel scope) .......................................................................... 3
Figure 3 Front View (4-channel scope) ........................................................................ 4
Figure 4 Top View (4-channel scope) .......................................................................... 4
Figure 5 Adjust the Supporting Legs ............................................................................ 5
Figure 6 To Connect to Power Supply ......................................................................... 6
Figure 7 Function Inspection ........................................................................................ 7
Figure 8 2-channel Scope Front Panel Overview ........................................................ 9
Figure 9 4-Channel Scope Front Panel Overview ..................................................... 10
Figure 10 2-Channel Scope Rear panel Overview .................................................... 11
Figure 11 4-channel Scope Rear panel Overview ..................................................... 12
Figure 12 Help Message ............................................................................................ 20
Figure 13 User Interface ............................................................................................. 21
Figure 14 To Use The Security Lock .......................................................................... 24
Figure 15 Split Screen Zoom ...................................................................................... 36
Figure 16 Display Type Set to Dots ........................................................................... 44
Figure 17 x Interpolation ............................................................................................. 45
Figure 18 Sinx/x Interpolation ..................................................................................... 45
Figure 19 Acquisition System ..................................................................................... 46
Figure 20 Pulse With 0.1% Duty, Normal Mode ........................................................ 47
Figure 21 Pulse With 0.1% Duty, Peak Detect Mode ................................................ 47
Figure 22 With Random Noise, Normal Mode ........................................................... 48
Figure 23 With Random Noise, Average Mode ......................................................... 49
Figure 24 SEQUENCE Function Menu ...................................................................... 52
Figure 25 HISTORY Function Menu .......................................................................... 52
Figure 26 Turn off the Noise Reject ........................................................................... 62
Figure 27 Turn on the Noise Reject ........................................................................... 63
Figure 28 Edge Trigger .............................................................................................. 65
Figure 29 Slope Trigger .............................................................................................. 68
Figure 30 Pulse Trigger .............................................................................................. 70
Figure 31 Video Trigger .............................................................................................. 73
Figure 32 Absolute Window Trigger ........................................................................... 75
Figure 33 Relative Window Trigger ............................................................................ 76
Figure 34 Interval Trigger ........................................................................................... 78
Figure 35 Edge Dropout Trigger ................................................................................ 80
Figure 36 State Dropout Trigger ................................................................................ 80
Figure 37 Runt Trigger ............................................................................................... 83
Figure 38 Pattern Trigger ........................................................................................... 85
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Figure 39 I2C DECODE Menu ................................................................................... 87
Figure 40 I2C SIGNALLE Menu ................................................................................. 87
Figure 41 I2C TRIGGER Menu .................................................................................. 90
Figure 42 I2C Decode Bus Display ............................................................................ 91
Figure 43 I2C Decode List Display ............................................................................. 91
Figure 44 SINGAL Menu ............................................................................................ 92
Figure 45 CLK Menu .................................................................................................. 92
Figure 46 MISO Menu ................................................................................................ 93
Figure 47 MOSI Menu ................................................................................................ 93
Figure 48 SPI TRIG SET Menu .................................................................................. 94
Figure 49 SPI Decode Bus Display ............................................................................ 95
Figure 50 SPI Decode List Display ............................................................................ 95
Figure 51 UART SIGNAL Menu ................................................................................. 96
Figure 52 BUS CONFIG Menu ................................................................................... 96
Figure 53 UART TRIG SET Menu .............................................................................. 98
Figure 54 UART Trigger ............................................................................................. 98
Figure 55 UART Decode ............................................................................................ 99
Figure 56 UART Decode Bus Display ...................................................................... 100
Figure 57 UART Decode List Display ...................................................................... 100
Figure 58CAN SIGNAL Menu .................................................................................. 101
Figure 59 CAN Trigger ............................................................................................. 103
Figure 60 CAN Decode Bus Display ........................................................................ 104
Figure 61 CAN Decode List Display ......................................................................... 105
Figure 62 LIN SIGNAL Menu ................................................................................... 106
Figure 63 LIN Trigger ............................................................................................... 108
Figure 64 LIN Decode .............................................................................................. 109
Figure 65 LIN Decode Bus Display .......................................................................... 110
Figure 66 LIN Decode List Display ........................................................................... 110
Figure 67 Reference Waveform ............................................................................... 113
Figure 68 C1+C2 Waveform .................................................................................... 117
Figure 69 C1*C2 Waveform ..................................................................................... 118
Figure 70 FFT Menu ................................................................................................. 119
Figure 71 FFT CONFIG Menu .................................................................................. 119
Figure 72 VERTICAL Menu ...................................................................................... 120
Figure 73 HORIZONTAL Menu ................................................................................ 121
Figure 74 FFT Peaks Menu ...................................................................................... 121
Figure 75 SEARCH Menu ........................................................................................ 121
Figure 76 FFT Markers Menu ................................................................................... 121
Figure 77 Marker Control Menu ............................................................................... 122
Figure 78 FFT Waveform ......................................................................................... 122
Figure 79 Difference Function Operation ................................................................. 124
Figure 80 Integral without Offset .............................................................................. 125
Figure 81 Integral with Offset ................................................................................... 126
Figure 82 Square Root ............................................................................................. 127
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Figure 83 Measure Pulse Width ............................................................................... 131
Figure 84 Voltage Measurements ............................................................................ 133
Figure 85 Overshoot ................................................................................................. 134
Figure 86 Preshoot ................................................................................................... 134
Figure 87 Time Measurements ................................................................................ 135
Figure 88 Select the Measurement Parameter ........................................................ 137
Figure 89 Added the Measurement .......................................................................... 138
Figure 90 All Parameters Measurement .................................................................. 139
Figure 91 Gate Measurement .................................................................................. 140
Figure 92 Vectors Display ........................................................................................ 142
Figure 93 Dots Display ............................................................................................. 143
Figure 94 Color Temperature ................................................................................... 143
Figure 95 Persist Set to Infinite ................................................................................ 144
Figure 96 SAVE/RECALL File System ..................................................................... 151
Figure 97 Select Save Location ............................................................................... 152
Figure 98 File Name Dialogue .................................................................................. 152
Figure 99 Input Keyboard ......................................................................................... 155
Figure 100 Digital Function Menu ............................................................................ 159
Figure 101 Middle Display Type ............................................................................... 159
Figure 102 High Display Type .................................................................................. 160
Figure 103 THRESHOLDS Function Menu ............................................................. 161
Figure 104 DIGITALBUS Function Menu ................................................................. 162
Figure 105 Digital Bus .............................................................................................. 163
Figure 106 Digital System Information Interface ...................................................... 164
Figure 107 Digital Update Interface ......................................................................... 165
Figure 108 System Status ........................................................................................ 167
Figure 109 Do Self Cal ............................................................................................. 168
Figure 110 Pass/Fail Test ........................................................................................ 170
Figure 111 AWG Menu Interface.............................................................................. 175
Figure 112 Wave Type Interfac ................................................................................ 175
Figure 113 Built-in Arb Interface............................................................................... 177
Figure 114 AWG Setting Interface ........................................................................... 177
Figure 115 AWG System Information Interface ....................................................... 179
Figure 116 AWG Update Interface ........................................................................... 180
Figure 117 LAN Setting Interface ............................................................................. 182
Figure 118 WIFI Setting Menu ................................................................................. 183
Figure 119 Web Server Interface ............................................................................. 184
Figure 120 Screen Test ............................................................................................ 186
Figure 121 Keyboard Test ........................................................................................ 187
Figure 122 LED Test ................................................................................................ 188
Figure 123 Screen Saver Interface .......................................................................... 189
Figure 124: OPTION Function Menu ....................................................................... 191
Figure 125 LABEL Function Menu ........................................................................... 191
Figure 126 Option Information .................................................................................. 192
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Figure 127 BODE PLOT II Menu.............................................................................. 193
Figure 128 CONFIGURE Menu................................................................................ 193
Figure 129 VARI-LEVEL Menu ................................................................................ 194
Figure 130 DISPLAY Menu ...................................................................................... 195
Figure 131 DATA Menu ............................................................................................ 196
Figure 132 Bode Plot List On ................................................................................... 196
Figure 133 Bode Plot Interface Connection ............................................................. 197
Figure 134 Sweep Configure Menu ......................................................................... 197
Figure 135 Set Sweep Parameters Menu ................................................................ 197
Figure 136 Set Stimulus Menu ................................................................................. 198
Figure 137 Set Channel Menu ................................................................................. 198
Figure 138 Bode Plot Sweep Curve ......................................................................... 198
Figure 139 Bode Plot Interface Connection ............................................................. 199
Figure 140 Vari-level Configure Menu ..................................................................... 199
Figure 141 Set Vari-level Parameters Menu ............................................................ 200
Figure 142 Set Sweep Parameters Menu ................................................................ 200
Figure 143 Bode Plot Sweep Curve ......................................................................... 201
Figure 144 Search Menu .......................................................................................... 202
Figure 145 Search in Run ........................................................................................ 203
Figure 146 Search in Stop ........................................................................................ 204
Figure 147 History .................................................................................................... 207
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Quick Start
This chapter introduces the preparations when using the oscilloscope for the first time, the
front panel, rear panel and user interface of the oscilloscope.
The contents of this chapter:
General Inspection
Appearance and Dimensions
Prepare for Using
Front Panel Overview
Rear Panel Overview
Front Panel Function Overview
User Interface
Security Lock
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General Inspection
1.
Inspect the shipping container for damage.
Keep the damaged shipping container or cushioning material until the contents of the
shipment have been checked for completeness and the instrument has passed both
electrical and mechanical tests.
The consigner or carrier shall be liable for the damage to instrument resulting from
shipment.
SIGLENT
would not be responsible for free maintenance/rework or
replacement of the unit.
2.
Inspect the instrument.
In case of any damage, or defect, or failure, notify your
SIGLENT
sales
representative.
3.
Check the Accessories
Please check the accessories according to the packing lists. If the accessories are
incomplete or damaged, please contact your
SIGLENT
sales representative.
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Appearance and Dimensions
Figure 1 Front View (2-channel scope)
Figure 2 Top View (2-channel scope)
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Figure 3 Front View (4-channel scope)
Figure 4 Top View (4-channel scope)
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Prepare for Using
Adjust the Supporting Legs
Adjust the supporting legs properly to use them as stands to tilt the oscilloscope upwards
for stable placement of the oscilloscope as well as better operation and observation.
Figure 5 Adjust the Supporting Legs
Connect the Power Supply
The power requirements of the oscilloscope are 100-240 V, 50/60Hz or 100-120 V, 400Hz.
Please use the power cord supplied with the accessories to connect the oscilloscope to
the power source.
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2-channel scope 4-channel scope
Figure 6 To Connect to Power Supply
Power-on Inspection
When the oscilloscope is energized, press the power key at the lower-left corner of the
front panel to start the oscilloscope. During the start-up process, the oscilloscope
performs a series of self-tests and you can hear the sound of relay switching. After the
self-test is finished, the welcome screen is displayed.
Connect the Probe
Connect the Probe:
1. Connect the BNC terminal of the probe to a channel BNC connector of the
oscilloscope at the front panel.
2. Connect the probe tip to the circuit point to be tested and connect the ground alligator
clip of the probe to the circuit ground terminal.
Function Inspection
1. Press the
Default
button
on the front panel
to restore the instrument to its default
configuration.
2. Connect the ground alligator clip of the probe to the “Ground Terminal” under the
probe compensation signal output terminal.
2-channel scope
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4-channel scope
3. Use the probe to connect the input terminal of CH1 of the oscilloscope and the
“Compensation Signal Output Terminal” of the probe.
4. Press the
Auto Setup
.
5. Observe the waveform on the display. In normal condition, the display should be a
square waveform as shown in the figure below:
Figure 7 Function Inspection
6. Use the same method to test the other channels. If the square waveforms actually
shown do not match that in the figure above, please perform “Probe Compensation”
in the next section.
WARNING
To avoid electric shock during the use of probe, please make sure that the
insulated wire of the probe is in good condition and do not touch the metallic
part of the probe when the probe is connected to high voltage source
Probe Compensation
When the probes are used for the first time, you should compensate the probes to match
the input channels of the oscilloscope. Non-compensated or poorly compensated probes
may cause measurement inaccuracy or error. The probe compensation procedures are as
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follows.
1. Set the switch to 10X on the probe.
2. Perform steps 1, 2, 3 and 4 of “
Function Inspection
” in the previous section.
3. Check the waveforms displayed and compare them with the following:
Under Perfectly Over
Compensated Compensated Compensated
4. Use a nonmetallic driver to adjust the low-frequency compensation adjustment hole
on the probe until the waveform displayed is as the “Perfectly compensated” in the
figure above.
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Front Panel Overview
Figure 8 2-channel Scope Front Panel Overview
NO.
Description
NO.
Description
1
LCD Display
8
Vertical Control
2 Universal Knob 9
Probe Compensation/ Ground
Terminal
3
Common Function Menus
10
Analog Channel and Ext Input
4
Run/Stop
11
USB Host
5
Auto Setup
12
Menu Softkey
6
Trigger Control
13
Menu on/off
7
Horizontal Control
14
Power Button
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Figure 9 4-Channel Scope Front Panel Overview
NO.
Description
NO.
Description
1
LCD Display
12
Horizontal Control
2
Universal Knob
13
Trigger Control
3
Common Function Menus
14
Menu on/off
4
Clear Sweeps
15
Menu Softkey
5
Run/Stop
16
One- Button shortcut for Save
6
Decode
17
Analog Channel
7
Auto Setup
18
Power Button
8
Navigate
19
USB Host
9
History
20
Digital Inputs
10 Default 21
Probe Compensation/ Ground
Terminal
11
V
ertical Control, Math, REF and
Digital
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Rear Panel Overview
Figure 10 2-Channel Scope Rear panel Overview
1.
Handle
Pull up the handle vertically for easy carrying of the instrument. When you do not
need the handle, press it down.
2.
Safety lock Hole
You can lock the instrument to a fixed location using the security lock (please buy it
yourself) via the lock hole.
3.
LAN
The instrument can be connected to network via this interface to perform remote
control.
4.
Pass/Fail or Trigger Out
The BNC port can output a signal that reflects the current waveform capture rate of
the oscilloscope at each trigger or a pass/fail test pulse.
5.
USB Device
The oscilloscope support SCPI remote control commands, user can control the
oscilloscope through this interface.
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Figure 11 4-channel Scope Rear panel Overview
1.
Handle
Pull up the handle vertically for easy carrying of the instrument. When you do not
need the handle, press it down.
2.
LAN
The instrument can be connected to network via this interface to perform remote
control.
3.
USB Device
The oscilloscope support SCPI remote control commands, user can control the
oscilloscope through this interface
4.
USB Host
Communicate with external function generators (
SIGLENT
SDG and SAG1021)
5.
Safety lock Hole
You can lock the instrument to a fixed location using the security lock (please buy it
yourself) via the lock hole.
6.
AC Power Socket
AC power input terminal. The power requirements of this oscilloscope are 100-240 V,
50/60/400 Hz. Use the power cord provided with the instrument to connect it to AC
power.
7.
Pass/Fail or Trigger Out
The BNC port can output a signal that reflects the current waveform capture rate of
the oscilloscope at each trigger or a pass/fail test pulse.
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Front Panel Function Overview
Horizontal
4-channel scope 2-channel scope
: Quickly enter the roll mode. The timebase range is from 50mS/div to
100S/div.
: Enable or disable search function. This function can search for the events
that users specify in the acquired data, the results are displayed with white
triangle symbol.
Horizontal Position Knob
: adjust horizontal position. The trigger point would move
left or right relative to the center of the screen when you turn the knob. During the
modification, waveforms of all the channels would move left or right and the trigger
position message at the upper-right corner of the screen would change accordingly. Press
down this knob to quickly reset the trigger delay to Zero.
Horizontal Scale Knob
: adjust the horizontal time base. Turn clockwise to reduce
the time base and turn counterclockwise to increase the time base. During the
modification, waveforms of all the channels will be displayed in expanded or compressed
mode and the time base message at the upper-left side of the screen would change
accordingly. Press down this knob to quickly turn on Zoom function.
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Vertical
2-channel scope 4-channel scope
: Analog input channels. The two channels are marked by different colors which
are also used to mark both the corresponding waveforms on the screen and the
channel input connectors.
Vertical Position Knob
: adjust the vertical position of the current channel
waveform. Turn clockwise to increase the position and turn counterclockwise to decrease.
During the modification, the waveform would move up and down and the position
message at the lower-left corner of the screen would change accordingly. Press down this
knob to quickly reset the vertical position to zero.
Vertical Variable Knob
: adjust the vertical scale of the current channel. Turn
clockwise to decrease the scale and turn counterclockwise to increase. During the
modification, the amplitude of the waveform would enlarge or reduce and the scale
information at the right side of the screen would change accordingly. Press down this knob
to quickly switch the vertical scale adjustment modes between “Coarse” and “Fine”.
: press the button to enter the MATH function menu. The oscilloscope provides
addition, subtraction, multiplication, FFT, differential, integral and square root
operations.
: press the button to enter the REF function menu. A reference waveform can be
displayed and compared against other waveforms.
: Press the button to open the digital channel function menu (Optional function).
The SDS1000X-E (4-channel scope) supports 16 digital channels.
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Trigger
2-channel scope 4-channel scope
: press the button to enter the TRIGGER function menu. The oscilloscope
provides abundant advanced trigger functions
: press the button to set the trigger mode to Auto.
: press the button to set the trigger mode to Normal.
: press the button to set the trigger mode to Single.
Trigger Level Knob
: adjust the trigger level. Turn clockwise to increase the level
and turn counterclockwise to reduce the level. During the modification, the trigger level
line would move up and down and the value in the trigger level message box at the
up-right corner of the screen would change accordingly. Press down the knob to quickly
reset the trigger level to center of the waveform.
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Run Control
: press this key to enable the waveform auto setting function. The oscilloscope
will automatically adjust the vertical scale, horizontal time base and trigger
mode according to the input signal to realize optimum waveform display.
: press the button to set the acquisition state to Run or Stop.
In RUN state, the key is illuminated in yellow.
In STOP state, the key is illuminated in red.
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Universal Knob
1.
Adjust the waveform intensity.
You can press the
Display/Persist
button; press the
Next Page
softkey to go to the
second page of the DISPLAY function menu; press the
Intensity
softkey and then turn
the
Universal Knob
to adjust the waveform intensity.
2.
Select the desired submenu.
In menu operation, press any menu softkey and turn the
Universal Knob
to select the
desired submenu under the menu and push down the knob to confirm the current
submenu. Turn clockwise to up the intensity and counterclockwise to down.
3.
Modify parameters.
After having chosen a parameter, turn the
Universal Knob
to modify the value. Turn
clockwise to increase the intensity and counterclockwise to reduce. In addition, it can
also be used to adjust scale and offset of MATH and REF.
4.
Choose file or directory or input filename.
After having entered the file system, turn the
Universal Knob
to select the desired file
or directory. When inputting filename, turn the
Universal Knob
to select the desired
character and the push the knob to confirm.
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Menu
2-channel scope common function panel
4-channel scope common function panel
: Press to enter the CURSOR function menu. The oscilloscope provides
manual and track cursor mode.
: Press to enter the DISPLAY function menu and quickly enable the persist
function. User can set the grid, intensity, graticule, and transparence.
: Press to enter the UTILITY function menu to look at the system status, do
self-calibration, set the sound, language and so on.
: The button is a shortcut key for clear function. When the measurement
statistics is ON, press the button to clear the count and recount it. When
persist is enabled, press the button to clear persist.
: Press the button to enter the MEASURE function menu to set the
measurement parameters, all measurement, statistics and set the gate.
: Press the button to enter the ACQUIRE function menu to set the acquisition
mode, memory depth, wave interpolation and so on.
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: Press the button to enter the SAVE/RECALL function menu to save setups,
waveforms, pictures, or CSV files, binary data, matlab files, and default key
presets to internal memory or USB flash driver.
: Press the button to reset the oscilloscope to user default setup.
: Press the button to enter the history mode. In history mode, it can record
most 80000 frames waveforms. If sequence function is enabled, it only record
the frames which you set, the most you can set is 80000.
: Press the button to enter the DECODE function menu. The oscilloscope
supports I2C, SPI, UART, CAN and LIN serial bus decode.
: Press the button to turn off or turn on the navigate function. SDS1000X-E
(4-channel scope) supports three navigate types: time, search event, history
frame.
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Help
The oscilloscope has an on line help function that supplies multi-language help
information.
You can access the help function by pressing any button for 2 seconds and a help window
will explain the function. Also all of the submenus include help information.
Figure 12 Help Message
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User Interface
Figure 13 User Interface
1.
Product Logo
SIGLENT
is the registered trademark of
SIGLENT TECHNOLOGIES CO., LTD.
2.
Channel Label/Waveform
Different channels are marked by different colors and the color of the waveform
complies with the color of the channel.
3.
Trigger Status
Available trigger status includes Ready, Auto, Stop, Arm, Trig’d, FStop.
4.
Horizontal Time Base
Represent the time per grid on the horizontal axis on the screen.
Use the
HORIZONTAL SCALE Knob
to adjust the parameter. The available
range is from 1.0 ns to 100 s.
5.
Trigger Position
Turn the Horizontal Position Knob to adjust the parameter. Push the knob to set the
value to 0 automatically.
6.
Trigger Delay Label
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Indicate the trigger delay on the waveform.
7.
Frequency Counter
Display the frequency value of the trigger channel.
8.
Sampling Rate/ Memory Depth
Display the current sampling rate and memory depth. Sa means the current sampling
rate and Curr means the current memory depth.
9.
Trigger Setup
Trigger Type : display the current trigger type. The trigger type names display
by the abbreviation when the name is too long to display.
Trigger source : display the currently trigger source. Different channels display
in different color.
Trigger condition : display the current trigger condition.
Trigger coupling : display the current trigger coupling. Available trigger coupling
mode: DC, AC, HF Reject, LF Reject.
Trigger level : display the current value of trigger level. Push the knob to
set the trigger to the 50% of the waveform amplitude automatically.
10.
Channel Setup
Probe attenuation factor : display the current probe attenuation factor of the
channel. Available probe attenuation factors: 0.1X, 0.2X, 0.5X, 1X, …properties
2000X, 5000X, 10000X.
Input impedance : display the current input impedance of the channel. Input
impedance that available: 1MΩ.
Channel coupling : display the current channel coupling of the channel. Channel
coupling that available: DC, AC, and GND.
Vertical Scale : display the current vertical scale of the channel. Turn the
Vertical Scale Knob to adjust the value.
11.
Trigger Level Label
Display the position of trigger level, the color is the same to the trigger channel. It can
move from +4.5div to -4.5div of the screen center.
12.
I/O status
Indicate that the USB Host is connected.
Indicate that the LAN port is connected.
Indicate that the LAN port is disconnected.
Indicate that the WLAN port is connected.
Indicate that the WLAN port is disconnected.
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13.
Menu
Display the corresponding function menu of the selected button. Press the
corresponding softkey to set the oscilloscope.
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Security Lock
If needed, you can use the security lock (please buy it yourself) to lock the oscilloscope to
a fixed location. The method is as follows, align the lock with the lock hole and plug it into
the lock hole vertically, turn the key clockwise to lock the oscilloscope and then pull the
key out.
Figure 14 To Use The Security Lock
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Vertical System
This chapter introduces how to set the vertical system of the oscilloscope.
The contents of this chapter:
Enable the Channel
Adjust Scale
Vertical Position
Coupling
Bandwidth Limit
Probe
Input Impedance
Unit
Deskew
Invert
Trace Visible/Hidden
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Enable the Channel
The oscilloscope provides 2/4analog input channels and provides independent vertical
control system for each channel. As the vertical system setting methods of every channel
is the same, this chapter takes CH1 as an example to introduce the setting method of the
vertical system.
Connect a signal to the CH1 channel connector; and then press the
CH1
button
in the
vertical control area (VERTICAL) at the front panel to enable CH1.
The channel setting menu is displayed at the bottom of the screen and the channel label
at the right side of the screen. The information displayed in the channel label is related to
the current channel setting.
After the channel is turned on, modify the parameters such as the vertical scale, the
horizontal time base and the trigger mode according to the input signal to make the
waveform display easy to observe and measure.
Note:
to turn off the channel, press the channel button twice.
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Note:
push the
VERTICAL Variable Knob
to quickly switch between
Coarse
and
Fine
adjustments.
Adjust Scale
The vertical scale can be adjusted in
Coarse
or
Fine
mode.
Coarse
adjustment (take counterclockwise as an example): set the vertical scale in
1-2-5 step namely 500uV/div, 1 mV/div, 2 mV/div, 5 mV/div, 10 mV/div …10 V/div.
Fine
adjustment: further adjust the vertical scale within a relatively smaller range to
improve vertical resolution. For example: 2 V/div, 1.98V/div, 1.96V/div, 1.94 V/div …1
V/div.
If the amplitude of the input waveform is a little bit greater than the full scale under the
current scale and the amplitude would be a little bit lower if the next scale is used, fine
adjustment can be used to improve the amplitude of waveform display to view signal
details.
Press the
CH1
button on the front panel; then press the
Adjust
softkey to select the
desired mode. Turn the
VERTICAL Variable Knob
to adjust the vertical scale (clockwise to
reduce the scale and counterclockwise to increase).
The scale information in the channel label at the right side of the screen will change
accordingly during the adjustment. The adjustable range of the vertical scale is related to
the probe ratio currently set. By default, the probe attenuation factor is 1X and the
adjustable range of the vertical scale is from 500uV/div to 10 V/div.
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Vertical Position
Turn the
VERTICAL Position Knob
to adjust the vertical position of the channel waveform.
Turn the knob clockwise to increase the vertical position and the channel waveform
moves up while counterclockwise to reduce the vertical position and the waveform moves
down. Push the knob to set the vertical position of the channel waveform to zero.
During the adjustment, the vertical position information Volts Pos displays at the bottom of
the screen. The table below shows the range of vertical position according to the volt
scale.
Volt Scale
Range of Vertical Position
500 μV/div ~ 100 mV/div
±2V
102 mV/div ~ 1 V/div
±20 V
1.02 V/div ~ 10 V/div
±200 V
Coupling
Set the coupling mode to filter out the undesired signals. For example, the signal under
test is a square waveform with DC offset.
When the coupling mode set to
DC
: the DC and AC components of the signal under
test can both pass the channel.
When the coupling mode set to
AC
: the DC components of the signal under test are
blocked.
When the coupling mode set to
GND
: the DC and AC components of the signal under
test are both blocked.
Press the
CH1
button on the front panel; then press the
Coupling
softkey and turn the
Universal Knob
to select the desired coupling mode. The default setup is
DC
.
The current coupling mode is displayed in the channel label at the right side of the screen.
You can also press the
Coupling
softkey
continuously to switch the coupling mode.
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Bandwidth Limit
Set the bandwidth limit to reduce display noise. For example, the signal under test is a
pulse with high frequency oscillation.
When the bandwidth limit set to
Full
, the high frequency components of the signal
under test can pass the channel.
When the bandwidth limit set to
20M
, the high frequency components that exceed 20
MHz are attenuated.
Press the
CH1
button
on the front panel; then press the
BW Limit
softkey to select
Full
or
20M
. The default setup is
Full
. When bandwidth limit is enabled, the character
B
will be
displayed in the channel label at the right side of the screen.
SDS1000X-E has full BW with all V/div settings including 500uV/div to 2mV/div.
Probe
Set the probe attenuation factor to match the type of the probe that you are using to
ensure correct vertical readouts.
Press the
CH1
button on the front panel; then press the
Probe
softkey and turn the
Universal Knob
to select the desired value and push the knob to confirm. The default
setup is
1X
.
The current probe attenuation factor is displayed in the channel label at the right side of
the screen. You can also press the
Probe
softkey
continuously to switch the probe
attenuation factor.
The table shows the probe attenuation factor
Menu
Attenuation Factor
0.1X
0.1 : 1
0.2X
0.2 : 1
0.5X
0.5 : 1
1X
1 : 1
2X
2 : 1
…
…
5000X
5000 : 1
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10000X
10000 : 1
Input Impedance
The channel input impedance is 1MΩ.
Impedance setting to 1MΩ is for use with many passive probes and for general-
purpose measurements. The higher impedance minimizes the loading effect of the
oscilloscope on the device under test.
The current channel input impedance is displayed in the channel label at the right side of
the screen.
Unit
Select the amplitude display unit for the current channel. The available units are
V
and
A
.
When the unit is changed, the unit displayed in the channel label will change accordingly.
1. Press
CH1
button on the front panel to enter the CH1 function menu.
2. Press the
Next Page
softkey to enter the second page of the CH1 function menu.
3. Press the
Unit
softkey to select the desired unit
V
or
A
.
The default setup is
V.
Deskew
The valid range of each analog channel is ±100ns.
1. Press
CH1
button on the front panel to enter the CH1 function menu.
2. Press the
Next Page
softkey to enter the second page of the CH1 function menu.
3. Press the
Deskew
softkey. Then turn the
Universal Knob
to change deskew.
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Invert
When
Invert
is set to
On
, the voltage values of the displayed waveform are inverted. Invert
affects how a channel is displayed and it keeps the trigger settings.
Inverting a channel also changes the result of any math function selected and measure
function.
1. Press
CH1
button on the front panel to enter the CH1 function menu.
2. Press the
Next Page
softkey to enter the second page of the CH1 function menu.
3. Press the
Invert
softkey to turn on or off the invert display.
Trace Visible/Hidden
Set whether the current channel waveform is visible.
1. Press
CH1
button on the front panel to enter the CH1 function menu.
2. Press the
Next Page
softkey to enter the second page of the CH1 function menu.
3. Press the
Trace
softkey to visible or hidden the channel waveform
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Horizontal System
This chapter introduces how to set the horizontal system of the oscilloscope.
The contents of this chapter:
Horizontal Scale
Trigger Delay
Roll Mode
Zoom Mode
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Horizontal Scale
Turn the
HORIZONTAL Scale Knob
on the front panel to adjust the horizontal time base.
Turn clockwise to reduce the horizontal time base and turn counterclockwise to increase.
The time base information at the upper left corner of the screen will change accordingly
during the adjustment. The range of the horizontal scale is from 1ns/div to 100s/div.
The
Horizontal Scale Knob
works (in the Normal time mode) while acquisitions are
running or when they are stopped. When in run mode, adjusting the horizontal scale knob
changes the sample rate. When stopped, adjusting the horizontal scale knob lets you
zoom into acquired data.
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Trigger Delay
Turn the Position Knob on the front panel to adjust the trigger delay of the waveform.
During the modification, waveforms of all the channels would move left or right and the
trigger delay message at the upper-right corner of the screen would change accordingly.
Press down this knob to quickly reset the trigger delay.
Changing the delay time moves the trigger point (solid inverted triangle) horizontally and
indicates how far it is from the time reference point. These reference points are indicated
along the top of the display grid.
All events displayed left of the trigger point happened before the trigger occurred. These
events are called pre- trigger information, and they show events that led up to the trigger
point.
Everything to the right of the trigger point is called post- trigger information. The amount of
delay range (pre- trigger and post- trigger information) available depends on the time/div
selected and memory depth.
The position knob works (in the Normal time mode) while acquisitions are running or when
they are stopped.
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Roll Mode
Press the
Roll
button to enter the roll mode.
In Roll mode the waveform moves slowly across the screen from right to left. It only
operates on time base settings of 50 ms/div and slower. If the current time base setting is
faster than the 50 ms/div limit, it will be set to 50 ms/div when Roll mode is entered.
In Roll mode there is no trigger. The fixed reference point on the screen is the right edge
of the screen and refers to the current moment in time. Events that have occurred are
scrolled to the left of the reference point. Since there is no trigger, no pre- trigger
information is available.
If you would like to stop the display in Roll mode, press the
Run/Stop
button. To clear the
display and restart an acquisition in Roll mode,
press the
Run/Stop
button again.
Use Roll mode on low- frequency waveforms to yield a display much like a strip chart
recorder. It allows the waveform to roll across the display.
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Zoom Mode
Zoom is a horizontally expanded version of the normal display. You can use Zoom to
locate and horizontally expand part of the normal window for a more detailed (higher-
resolution) analysis of signals.
Press the
HORIZONTAL Scale Knob
on the front panel to turn on the zoom function, and
press the button again to turn off the function. When Zoom function is on, the display
divides in half. The top half of the display shows the normal time base window and the
bottom half displays a faster Zoom time base window.
Figure 15 Split Screen Zoom
The area of the normal display that is expanded is outlined with a box and the rest of the
normal display is ghosted. The box shows the portion of the normal sweep that is
expanded in the lower half.
To change the time base for the Zoom window, turn the
Horizontal Scale Knob
. The
Horizontal Scale Knob
controls the size of the box. The
Horizontal Position Knob
sets the
left- to- right position of the zoom window. The delay value, which is the time displayed
relative to the trigger point is momentarily displayed in the upper- right corner of the
display when the
Horizontal Position Knob
is turned. Negative delay values indicate you're
looking at a portion of the waveform before the trigger event, and positive values indicate
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you're looking at the waveform after the trigger event.
To change the time base of the normal window, turn off Zoom; then, turn the
Horizontal
Scale Knob
.
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Sample System
This chapter introduces how to use the run control and set the sampling system of the
oscilloscope.
The contents of this chapter:
Run Control
Overview
Memory Depth
Sampling Mode
Interpolation Method
Acquisition Mode
Horizontal Format
Sequence Mode
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Run Control
Press the
Run/Stop
or
Single
button on the front panel to run or stop the sampling system
of the scope.
When the
Run/Stop
b is green, the oscilloscope is running, that is, acquiring data
when trigger conditions are met. To stop acquiring data, press the
Run/Stop
button.
When stopped, the last acquired waveform is displayed.
When the
Run/Stop
button is red, data acquisition is stopped. Red "Stop" is displayed
next to the trademark logo in the status line at the top of the display. To start acquiring
data, press
Run/Stop
.
To capture and display a single acquisition (whether the oscilloscope is running or
stopped), press
Single
. The
Single
run control lets you view single- shot events
without subsequent waveform data overwriting the display. Use
Single
when you
want maximum memory depth for pan and zoom.
When you press
Single
, the display is cleared, the trigger mode is temporarily set to
Normal (to keep the oscilloscope from auto- triggering immediately), the trigger circuitry is
armed, the
Single
key is illuminated, and the oscilloscope waits until a user defined trigger
condition occurs before it displays a waveform.
When the oscilloscope triggers, the single acquisition is displayed and the oscilloscope is
stopped (the
Run/Stop
button is illuminated in red).
Press
Single
again to acquire another waveform.
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Overview
To understand the oscilloscope's sampling and acquisition modes, it is helpful to
understand sampling theory, sample rate and oscilloscope bandwidth and sample rate.
Sampling Theory
The Nyquist sampling theorem states that for a limited bandwidth (band- limited) signal
with maximum frequency f
MAX
, the equally spaced sampling frequency f
S
must be greater
than twice the maximum frequency f
MAX
, in order to have the signal be uniquely
reconstructed without aliasing.
f
MAX
= f
S/2
= Nyquist frequency (f
N
) = folding frequency
Sample Rate
The maximum sample rate of the oscilloscope is 2GSa/s. The actual sample rate of the
oscilloscope is determined by the horizontal scale. Turn the
Horizontal Scale Knob
to
adjust the sample rate.
The actual sample rate is displayed in the information area at the upper- right corner of the
screen.
The influence on the waveform when the sample rate is too low:
1.
Waveform Distortion:
when the sample rate is too low, some waveform details are
lost and the waveform displayed is rather different from the actual signal.
2.
Waveform Confusion:
when the sample rate is lower than twice the actual signal
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frequency (Nyquist Frequency), the frequency of the waveform rebuilt from the
sample data is lower than the actual signal frequency. The most common aliasing is
the jitter on fast edge.
3.
Waveform Leakage:
when the sample rate is too low, the waveform rebuilt from the
sample data does not reflect all the actual signal information.
Bandwidth and Sample Rate
An oscilloscope's bandwidth is typically described as the lowest frequency at which input
signal sine waves are attenuated by 3 dB (- 30% amplitude error).
At the oscilloscope bandwidth, sampling theory says the required sample rate is f
S
= 2f
BW
.
However, the theory assumes there are no frequency components above f
MAX
(f
BW
in this
case) and it requires a system with an ideal brick- wall frequency response.
Pulse disappeared
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However, digital signals have frequency components above the fundamental frequency
(square waves are made up of sine waves at the fundamental frequency and an infinite
number of odd harmonics), and typically, for 500 MHz bandwidths and below,
oscilloscopes have a Gaussian frequency response.
So, in practice, an oscilloscope's sample rate should be four or more times its bandwidth:
f
S
= 4fBW. This way, there is less aliasing, and aliased frequency components have a
greater amount of attenuation.
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Memory Depth
Memory depth refers to the number of waveform points that the oscilloscope can store in a
single trigger sample and it reflects the storage ability of the sample memory. The
oscilloscope provides up to 14 Mpts memory depth.
Press the
Acquire
button on the front panel; press the
Mem Depth
softkey and then turn
the
Universal Knob
to select the desired value and push down the knob to confirm. Press
the
Mem Depth
softkey continually can also select the desired value.
The actual memory depth is displayed in the information area at the upper- right corner of
the screen. Memory depth that available: 14K, 140K, 1.4M, 14M.
Since the oscilloscope has two acquisition memories, when only one channel is on, the
maximal memory depth is up to 14 Mpts.
The relation of memory depth, sample rate and waveform length fulfills the equation
below:
Memory depth = sample rate (Sa/s) × waveform length (s/div × div)
Sampling Mode
The oscilloscope only supports real-time sample. In this mode, the oscilloscope samples
and displays waveform within a trigger event. The maximum real-time sample rate is
1GSa/s.
Press the
RUN/STOP
button
to stop the sample, the oscilloscope will hold the last display.
At this point, you can still use the vertical control and horizontal control to pan and zoom
the waveform.
Interpolation Method
Under real-time sampling, the oscilloscope acquires the discrete sample values of the
waveform being displayed. In general, a waveform of dots display type is very difficult to
observe. In order to increase the visibility of the signal, the digital oscilloscope usually
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uses the interpolation method to display a waveform.
Interpolation method is a processing method to “connect all the sampling points”, and
using some points to calculate the whole appearance of the waveform. For real-time
sampling interpolation method is used, even if the oscilloscope in a single captures only a
small number of sampling points. The oscilloscope can use interpolation method for filling
out the gaps between points, to reconstruct an accurate waveform.
Press the
Acquire
button on the front panel to enter the ACQUIRE Function menu; then
press the
Interpolation
softkey to select
Sinx/x
or
X
.
X:
In the adjacent sample points are directly connected on a straight line. This method
is only confined to rebuild on the edge of signals, such as square wave.
Sinx/x:
Connecting the sampling points with curves has stronger versatility. Sinx
interpolation method uses mathematical processing to calculation results in the actual
sample interval. This method bending signal waveform, and make it produce more
realistic regular shape than pure square wave and pulse. When the sampling rate is 3
to 5 times the bandwidth of the system.
Recommended Sinx/s interpolation method.
Figure 16 Display Type Set to Dots
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Figure 17 x Interpolation
Figure 18 Sinx/x Interpolation
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Acquisition Mode
The acquisition mode is used to control how to generate waveform points from sample
points. The oscilloscope provides the following acquisition mode: Normal, Peak Detect,
Average and Eres.
1. Press the
Acquire
button on the front panel to enter the ACQUIRE function menu;
2. Press the
Acquisition
softkey; then turn the
Universal Knob
to select the desired
acquisition mode and push down the knob to confirm. The default setup is
Normal
.
Normal
In this mode, the oscilloscope samples the signal at equal time interval to rebuild the
waveform. For most of the waveforms, the best display effect can be obtained using this
mode. It is the default acquisition mode.
Figure 19 Acquisition System
Peak Detect
In this mode, the oscilloscope acquires the maximum and minimum values of the signal
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within the sample interval to get the envelope of the signal or the narrow pulse of the
signal that might be lost. In this mode, signal confusion can be prevented but the noise
displayed would be larger.
In this mode, the oscilloscope can display all the pulses with pulse widths at least as wide
as the sample period.
Figure 20 Pulse With 0.1% Duty, Normal Mode
Figure 21 Pulse With 0.1% Duty, Peak Detect Mode
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Average
In this mode, the oscilloscope averages the waveforms from multiple samples to reduce
the random noise of the input signal and improve the vertical resolution. The greater the
number of averages is, the lower the noise will be and the higher the vertical resolution will
be but the slower the response of the displayed waveform to the waveform changes will
be.
The available range of averages is from 4 to 1024 and the default is 16. When Average
mode is selected, press
Averages
and turn the
Universal knob
or press the softkey
continually to set the desired average time.
Figure 22 With Random Noise, Normal Mode
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Note:
“
Average
”
and
“
Eres
”
modes use different averaging methods. The former uses
“Waveform Average” and the latter uses “Dot Average”.
Figure 23 With Random Noise, Average Mode
Eres
This mode uses a kind of ultra-sample technique to average the neighboring points of the
sample waveform to reduce the random noise on the input signal and generate much
smoother waveforms on the screen. This is generally used when the sample rate of the
digital converter is higher than the storage rate of the acquisition memory.
Eres mode can be used on both single- shot and repetitive signals and it does not slow
waveform update. This mode limits the oscilloscope's real- time bandwidth because it
effectively acts like a low- pass filter.
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Horizontal Format
Press the
Acquire
button on the front panel; then press the
XY
soft key to set the XY(On)
or YT(Off) mode. The default setup is
YT
.
YT
It is the normal viewing mode for the oscilloscope. In the Normal time mode, signal events
occurring before the trigger are plotted to the left of the trigger point and signal events
after the trigger plotted to the right of the trigger point.
XY
XY mode changes the display from a volt- versus- time display to a volt- versus- volt
display. Channel 1 amplitude is plotted on the X- axis and Channel 2 amplitude is plotted
on the Y- axis, the two channels will be turned on or off together.
You can use XY mode to compare frequency and phase relationships between two
signals. XY mode can also be used with transducers to display strain versus displacement,
flow versus pressure, volts versus current, or voltage versus frequency.
The phase deviation between two signals with the same frequency can be easily
measured via Lissajous method. The figure below shows the measurement schematic
diagram of the phase deviation
According to
sin
θ
=A/B
or
C/D
(wherein, θ is the phase deviation angle between the two
channels and the definitions of A, B, C and D are as shown in the figure above), the phase
deviation angle is obtained, that is: θ
=
±
arcsin (A/B) or
±
arcsin (C/D)
If the principal axis of the ellipse is within quadrant I and III, the phase deviation angle
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obtained should be within quadrant I and IV, namely within (0 to π/2) or (3π/2 to 2π). If the
principal axis of the ellipse is within quadrant II and IV, the phase deviation angle obtained
should be within quadrant II and III, namely within (π/2 to π) or (π to 3π/2).
X-Y function can be used to measure the phase deviation occurred when the signal under
test passes through a circuit network. Connect the oscilloscope to the circuit to monitor the
input and output signals of the circuit.
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Sequence Mode
Sequence is also a kind of acquisition mode, which does not display waveform during
sampling process. It improves the waveform capture rate, and the maximal capture rate is
400,000 wfs/s. So it can capture the small probability event effectively.
The oscilloscope runs and fills a memory segment for each trigger event. The oscilloscope
is busy acquiring multiple segments. The oscilloscope continues to trigger until memory is
filled, and then display the waveforms on the screen.
To use the sequence mode, the HORIZONTAL Format must be set to
YT
.
Do the following steps to use the sequence mode.
1. Press the
Acquire
button on the front panel to enter the ACQUIRE function menu;
2. Press the
Sequence
softkey to enter the SEQUENCE function menu.
Figure 24 SEQUENCE Function Menu
3. Press the
Segments Set
softkey; and then turn the
Universal Knob
to select the
desired value.
Do the following steps to replay the sequence waveform under history mode:
1. Press the
History
softkey to enable HISTORY function.
Figure 25 HISTORY Function Menu
2. Press the
List
softkey to turn on the list display. The list records the acquisition time of
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every frame and shows the frame number that displaying on the screen.
3. Press the
Frame No.
softkey; and then turn the
Universal Knob
to select the frame to
display.
4. Press the softkey to replay the waveform from the current frame to 1.
5. Press the softkey to stop replay.
6. Press the softkey to replay the waveform from the current frame to the last
frame.
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Trigger
For trigger, you set certain trigger condition according to the requirement and when a
waveform in the waveform stream meets this condition, the oscilloscope captures this
waveform as well as the neighboring part and displays them on the screen. For digital
oscilloscope, it displays waveform continuously no matter whether it is stably triggered,
but only stable trigger can ensures stable display. The trigger circuit ensures that every
time base sweep or acquisition starts from the input signal and the user-defined trigger
condition, namely every sweep is synchronous to the acquisition and the waveforms
acquired overlap to display stable waveform.
The following is the schematic diagram of the acquisition memory. As shown in the figure
below, the position of the trigger event is determined by the reference time point and the
delay setting.
Trigger Event
↓
Pre-trigger Buffer Post-trigger Buffer
Acquisition Memory
Trigger setting should be based on the features of the input signal, thus you need to have
some knowledge of the signal under test to quickly capture the desired waveform.
The oscilloscope provides abundant advanced trigger functions which can help you to
focus on the desired waveform details. These trigger types are edge, slope, pulse, video,
window, interval, dropout, runt, pattern and serial trigger. This chapter will mainly
introduce all these trigger functions which mentioned above in details and tell you how to
set the trigger conditions to capture desired waveform.
The contents of this chapter:
Trigger Source
Trigger Mode
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Trigger Level
Trigger Coupling
Trigger Holdoff
Noise Rejection
Trigger Type
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Note: to select stable channel waveform as the trigger source to stabilize the display.
Trigger Source
The 2-channel oscilloscope’s trigger source includes analog channels,
EXT
,
EXT/5
and
AC Line
. The 4-channel oscilloscope’s trigger source includes analog channels and
AC
Line
.
Press the
Setup
button on the front panel to enter the TRIGGER function menu; press the
Source
softkey and then turn the
Universal Knob
to select the desired trigger source.
The current trigger source is displayed at the upper right corner of the screen. Select
channel with signal input as trigger source to obtain stable trigger.
Analog channel input:
Signals input from analog channels can all be used as the trigger source.
External trigger input:
External trigger source can be used to connect external trigger signal to the EXT TRIG
channel when all of the four channels are sampling data. The trigger signal (such as
external clock and signal of the circuit to be tested) will be connected to
EXT
and
EXT/5
trigger source via the
[EXT TRIG]
connector.
EXT/5
trigger source attenuates the signal
by a factor of 5. It extends the trigger level. You can set the trigger condition within the
range of trigger level (-8 div to +8 div).
AC line:
The trigger signal is obtained from the AC power input of the oscilloscope. This kind of
signals can be used to display the relationship between signal (such as illuminating device)
and power (power supply device). For example, it is mainly used in related measurement
of the power industry to stably trigger the waveform output from the transformer of a
transformer substation.
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Trigger Mode
The oscilloscope’s trigger mode includes auto, normal and single. Trigger mode affects
the way in which the oscilloscope searches for the trigger
After the oscilloscope starts running, the oscilloscope operates by first filling the
pre-trigger buffer. It starts searching for a trigger after the pre-trigger buffer is filled and
continues to flow data through this buffer while it searches for the trigger. While searching
for the trigger, the oscilloscope overflows the pre-trigger buffer and the first data put into
the buffer is first pushed out (First Input First Out, FIFO).
When a trigger is found, the pre- trigger buffer contains the events that occurred just
before the trigger. Then, the oscilloscope fills the post- trigger buffer and displays the
acquisition memory.
Press the
Auto
,
Normal
and the
Single
buttons on the front panel to select the desired
trigger mode, and the corresponding status light will be lighted.
In the
Auto
trigger mode (the default setting), if the specified trigger conditions are not
found, triggers are forced and acquisitions are made so hat signal activity is displayed
on the oscilloscope.
The
Auto
trigger mode is appropriate when:
Checking DC signals or signals with unknown levels or activity.
When trigger conditions occur often enough that forced triggers are
unnecessary.
In the
Normal
trigger mode, triggers and acquisitions only occur when the specified
trigger conditions are found. Otherwise, the oscilloscope holds the original waveform
and waits for the next trigger.
The
Normal
trigger mode is appropriate when:
You only want to acquire specific events specified by the trigger settings.
Triggering on an infrequent signal from a serial bus (for example, I2C, SPI, CAN,
LIN, etc.) or another signal that arrives in bursts. The
Normal
trigger mode lets
you stabilize the display by preventing the oscilloscope from auto- triggering.
In the Single trigger mode, the oscilloscope waits for a trigger and displays the
waveform when the trigger condition is met and then stops.
The
Single
trigger mode is appropriate when:
To capture single event or a periodic signal.
To capture burst or other unusual signals.
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Note
: You can force the oscilloscope to trigger by pressing the
Single
button twice. The
trigger status in the upper left corner of the screen will be displayed as "FStop".
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Trigger Level
Trigger level and slope define the trigger point,
You can adjust the trigger level for a selected analog channel by turning the
Trigger Level
Knob
.
You can push the
Trigger Level Knob
to set the level to the waveform's 50% value
immediately. If AC coupling is used, pushing the
Trigger Level knob
sets the trigger level
to about 0 V.
The position of the trigger level for the analog channel is indicated by the trigger level icon
(if the analog channel is on) at the left side of the display. The value of the analog channel
trigger level is displayed in the upper- right corner of the display.
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Note: trigger coupling has nothing to do with the channel coupling.
Trigger Coupling
Press the Setup button on the front panel to enter the TRIGGER function menu, and then
press the
Coupling
softkey and turn the
Universal Knob
or press the
Coupling
softkey
continually to select the desired coupling mode.
The oscilloscope provides 4 kinds of trigger coupling modes:
DC
: allow DC and AC components into the trigger path.
AC
: block all the DC components and attenuate signals lower than 8 Hz. Use AC
coupling to get a stable edge trigger when your waveform has a large DC offset.
LF Reject
: block the DC components and reject the low frequency components lower
than 2 MHz. Low frequency reject removes any unwanted low frequency components
from a trigger waveform, such as power line frequencies, etc. that can interfere with
proper triggering. Use
LF Reject
coupling to get a stable edge trigger when your
waveform has low frequency noise.
HF Reject
: reject the high frequency components higher 1.2 MHz)
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Note
: adjust the time scale and horizontal position will not affect the holdoff time.
Trigger Holdoff
Trigger holdoff can be used to stably trigger the complex waveforms (such as pulse
series). Holdoff time is the amount of time that the oscilloscope waits before re-arming the
trigger circuitry. The oscilloscope will not trigger until the holdoff time expires.
Use the holdoff to trigger on repetitive waveforms that have multiple edges (or other
events) between waveform repetitions. You can also use holdoff to trigger on the first
edge of a burst when you know the minimum time between bursts.
For example, to get a stable trigger on the repetitive pulse burst shown below, set the
holdoff time to be >200 ns but <600 ns.
The correct holdoff setting is typically slightly less than one repetition of the waveform. Set
the holdoff to this time to generate a unique trigger point for a repetitive waveform. Only
edge trigger and serial trigger have holdoff option. The holdoff time of the oscilloscope is
adjustable from 100ns to 1.5s.
1. Press the
Stop
button, and then use the
Horizontal Position Knob
and the
Horizontal
Scale Knob
to find where the waveform repeats. Measure this time using cursors;
then, set the holdoff.
2. Press the
Setup
button on the front panel to enter the TRIGGER function menu. The
default trigger type is edge.
3. Press the
Holdoff Close
softkey; and then turn the
Universal Knob
to set the desired
holdoff time.
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Noise Rejection
Noise Reject adds additional hysteresis to the trigger circuitry. By increasing the trigger
hysteresis band, you reduce the possibility of triggering on noise. However, this also
decreases the trigger sensitivity so that a slightly larger signal is required to trigger the
oscilloscope.
Press the
Setup
button on the front panel, and then press the
Noise Reject
softkey
continually to set the option to
On
or
Off
to turn on or off the noise rejection function.
Figure 26 Turn off the Noise Reject
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Figure 27 Turn on the Noise Reject
If the signal you are probing is noisy, you can set up the oscilloscope to reduce the noise
in the trigger path and on the displayed waveform. First, stabilize the displayed waveform
by removing the noise from the trigger path. Second, reduce the noise on the displayed
waveform.
1. Connect a signal to the oscilloscope and obtain a stable display.
2. Remove the noise from the trigger path by setting trigger coupling to
LF Reject
,
HF
Reject
or turning on
Noise Reject
.
3. Set the
Acquisition
option to Average to reduce noise on the displayed waveform.
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Trigger Type
The oscilloscope provides abundant advanced trigger functions, including various serial
bus triggers.
Edge trigger
Slope trigger
Pulse trigger
Video trigger
Window trigger
Interval trigger
DropOut trigger
Runt trigger
Pattern trigger
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Edge Trigger
Edge trigger distinguishes the trigger points by seeking the specified edge (rising, falling,
alter) and trigger level.
1. Press the
Setup
button on the front panel to enter the TRIGGER system function
menu.
2. Press the
Type
softkey; turn the
Universal Knob
to set select
Edge
and then push the
knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select the deserted trigger
source.
4. Press the
Slope
softkey; turn the
Universal Knob
to select the desired trigger edge
(rising, falling or alter), and then press down the knob to confirm. The current trigger
slope is displayed at the upper right corner of the screen.
5. Turn the
Trigger Level Knob
to adjust the trigger level to obtain stable trigger.
Figure 28 Edge Trigger
Holdoff, coupling and noise reject can be set in edge trigger, see the sections "Trigger
Holdoff", "Trigger Coupling" and "Noise Rejection" for details.
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Note: Press the Auto Setup button will set the trigger type to Edge and slope to rising.
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Slope Trigger
The slope trigger looks for a rising or falling transition from one level to another level in
greater than or less than a certain amount of time.
In the oscilloscope, positive slope time is defined as the time difference between the two
crossing points of trigger level line A and B with the positive edge as shown in the figure
below.
1. Press the
Setup
button on the front panel to enter the TRIGGER function menu.
2. Press the
Type
softkey; turn the
Universal Knob
to set select
Slope
and then push the
knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select the trigger source.
4. Press the
Slope
softkey; turn the
Universal Knob
to set select the desired trigger edge
(rising or falling), and then push down the knob to confirm. The current trigger slope is
displayed at the upper right corner of the screen.
5. Press
Lower Upper
softkey to select the
Lower
or
Upper
trigger level; then turn the
Trigger Level Knob
to adjust the position. The trigger level values are displayed at the
upper right corner of the screen.
The lower trigger level cannot be upper than the upper trigger level. In the trigger
state message box, L1 means the upper trigger lever while L2 means the lower
trigger level.
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Figure 29 Slope Trigger
6. Press the
Limit Range
softkey; then turn the
Universal Knob
to select the desired
slope condition, and push down the knob to confirm.
<= (less than a time value):
trigger when the positive or negative slope time of
the input signal is lower than the specified time value.
>= (greater than a time value):
trigger when the positive or negative slope time of
the input signal is greater than the specified time value.
[--,--] (within a range of time value):
trigger when the positive or negative slope
time of the input signal is greater than the specified lower limit of time and lower
than the specified upper limit of time value.
--][-- (outside a range of time value):
trigger when the positive or negative slope
time of the input signal is greater than the specified upper limit of time and lower
than the specified lower limit of time value.
Coupling and noise reject can be set in slope trigger, see the sections "Trigger Coupling"
and "Noise Rejection" for details.
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Pulse Trigger
Trigger on the positive or negative pulse with a specified width.
1. Press the
Setup
button on the front panel to enter the TRIGGER function menu.
2. Press the
Type
softkey; turn the
Universal Knob
to select
Pulse
and then push the
knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select CH1 or CH2 as the trigger
source.
4. Turn the
Trigger Level Knob
to adjust the trigger level to the desired place.
5. Press the
Polarity
softkey to select
Positive
or
Negative
pulse that to trigger on. The
current trigger polarity is displayed at the upper right corner of the screen.
6. Press the
Limit Range
softkey; turn the
Universal Knob
to select the desired
condition.
<= (less than a time value):
trigger when the positive or negative pulse time of
the input signal is lower than the specified time value.
For example, for a positive pulse, if you set t (pulse real width) ≤ 100ns, the
waveform will trigger.
>= (greater than a time value):
trigger when the positive or negative pulse time of
the input signal is greater than the specified time value.
For example, for a positive pulse, if you set t (pulse real width) ≥ 100ns, the
waveform will trigger.
[--,--] (within a range of time value):
trigger when the positive or negative pulse
time of the input signal is greater than the specified lower limit of time and lower
than the specified upper limit of time value.
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For example, for a positive pulse, if you set t (pulse real width) ≥100ns and t ≤
300ns, the waveform will trigger.
--][-- (outside a range of time value):
trigger when the positive or negative pulse
time of the input signal is greater than the specified upper limit of time and lower
than the specified lower limit of time value.
Figure 30 Pulse Trigger
Coupling and noise reject can be set in pulse trigger, see the sections "Trigger Coupling"
and "Noise Rejection" for details.
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Video Trigger
Video triggering can be used to capture the complicated waveforms of most standard
analog video signals. The trigger circuitry detects the vertical and horizontal interval of the
waveform and produces triggers based on the video trigger settings you have selected.
The oscilloscope supports standard video signal field or line of NTSC (National Television
Standards Committee), PAL (Phase Alternating Line) HDTV (High Definition Television)
and custom video signal trigger.
1. Press the
Setup
button on the front panel to enter the TRIGGER function menu.
2. Press the
Type
softkey; then turn the
Universal Knob
to select
Video
and push down
the knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select CH1 or CH2 as the trigger
source. Turn the
Trigger Level Knob
does not change the trigger level because the
trigger level is automatically set to the sync pulse.
4. Press the
Standard
softkey to select the desired video standard. The oscilloscope
supports the following video standards.
Standard
Type
Sync Pulse
NTSC
Interlaced
BI-level
PAL
Interlaced
BI-level
HDTV 720P/50
Progressive
Tri-level
HDTV 720P/60
Progressive
Tri-level
HDTV 1080P/50
Progressive
Tri-level
HDTV 1080P/60
Progressive
Tri-level
HDTV 1080i/50
Progressive
Tri-level
HDTV 1080i/50
Progressive
Tri-level
Custom
The table below shows the parameters of the Custom video trigger.
Frame Rate
25Hz, 30Hz, 50Hz, 60Hz
Of Lines
300~2000
Of Fields
1, 2, 3, 4
Interlace
1:1, 2:1, 4:1, 8:1
Trigger Position
Line
Field
(line value)/1
1
(line value)/2
2
(line value)/3
3
(line value)/4
4
(line value)/5
5
(line value)/6
6
(line value)/7
7
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(line value)/8
8
The table below takes
Of Lines
as 800 as an example to explain the relation between
Of Lines
,
Of Fields
,
Interlace
,
Trigger Line
and
Trigger Field
.
Of Lines
Of Fields
Interlace
Trigger Line
Trigger Field
800
1
1:1
800
1
800
1,2,4 or 8
2:1
400
1, 1~2, 1~4, 1~8
800
1,2,4 or 8
4:1
200
1, 1~2, 1~4, 1~8
800
1,2,4 or 8
8:1
100
1, 1~2, 1~4, 1~8
5. Press the
Sync
softkey to select
Any
or
Select
trigger mode.
Any
: trigger on any of the horizontal sync pulses
Select
: trigger on the appointed line and field you have set. Press the
Line
or
Field
softkey; then turn the
Universal Knob
to set the value.
The following table lists the line numbers per field for each video standard.
Standard
Field 1
Field 2
NTSC
1 to 262
1 to 263
PAL
1 to 312
1 to 313
HDTV 720P/50, HDTV 720P/60
1 to 750
HDTV 1080P/50, HDTV 1080P/60
1 to 1125
HDTV 1080iP/50, HDTV 1080i/60
1 to 562
1 to 563
The following are exercises to familiarize you with video triggering.
To trigger on a specific line of video
To use Custom video trigger
To Trigger on a Specific Line of Video
Video triggering requires greater than 1/2 division of sync amplitude with any analog
channel as the trigger source.
The example below set to trigger on field 2, line 124 using the NTSC video standard.
1. Press the
Setup
button on the front panel to enter the TRIGGER system function
menu.
2. Press the
Type
softkey; then use the
Universal Knob
to select Video and push down
the knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select CH1 as the trigger source,
and press the knob to confirm.
4. Press the
Standard
softkey; turn the
Universal Knob
to select NTSC, and press the
knob to confirm.
5. Press the
Sync
softkey and set the option to
Select
; press the
Line
softkey and then
turn the universal to select
022
and push the knob to confirm; press the
Field
softkey
and then turn the
Universal Knob
to select
1
and push the knob to confirm
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Figure 31 Video Trigger
To Use Custom Video Trigger
Custom video trigger supports frame rate of 25Hz, 30Hz, 50Hz and 60Hz, and the line
range is available from 300 to 2000. The steps below show how to set custom trigger.
1. Press the
Setup
button on the front panel to enter the TRIGGER function menu.
2. Press the
Type
softkey; then use the
Universal Knob
to select
Video
and push down
the knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select
CH1
as the trigger source,
and push down the knob to confirm.
4. Press the
Standard
softkey; turn the
Universal Knob
to select
Custom
, and push
down the knob to confirm.
5. Press the
Setting
softkey to enter the custom setting function menu. Press the
Interlace
softkey; turn the
Universal Knob
to select the desired value.
6. Press the
Of Field
softkey; turn the
Universal Knob
to select the desired value.
7. Press the
Sync
softkey to enter the TRIG ON menu to set the line and field.
Press the
Type
softkey to select
Select
or
Any
.
If the
Type
option set to
Select
, press the
Line
softkey; turn the
Universal Knob
to
select the desired value. Press the
Field
softkey; turn the
Universal Knob
to
select the desired value.
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Window Trigger
Windows trigger provides a high trigger level and a low trigger level. The instrument
triggers when the input signal passes through the high trigger level or the low trigger level.
There are two kinds of window types: Absolute and Relative. They have different trigger
level adjustment methods. Under Absolute window type, the lower and the upper trigger
levels can be adjusted respectively via the Level knob; under Relative window type, adjust
the Center value to set the window center; adjust the Delta value to set the window range,
the lower and the upper trigger levels always move together.
If the lower and the upper trigger levels are both within the waveform amplitude range,
the oscilloscope will trigger on both rising and falling edge.
If the upper trigger level is within the waveform amplitude range while the lower
trigger level is out of the waveform amplitude range, the oscilloscope will trigger on
rising edge only.
If the lower trigger level is within the waveform amplitude range while the upper
trigger level is out of the waveform amplitude range, the oscilloscope will trigger on
falling edge only.
To set window trigger via Absolute window type:
1. Press the
Setup
button on the front panel to enter the TRIGGER function menu.
2. Press the
Type
softkey; then use the
Universal Knob
to select
Window
and push
down the knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select CH1 or CH2 as the trigger
source.
4. Press the Window
Type
softkey to select Absolute.
5. Press the
Lower Upper
softkey to select
Lower
or
Upper
trigger level; then turn the
Trigger Level Knob
to adjust the position. The trigger level values are displayed at the
upper right corner of the screen.
The Lower trigger level cannot be upper than the upper trigger level. In the trigger
state message box,
L1
means the upper trigger level while
L2
means the lower trigger
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level.
Figure 32 Absolute Window Trigger
To set window trigger via Relative window type:
1. Press the
Setup
button on the front panel to enter the TRIGGER system function
menu.
2. Press the
Type
softkey; then use the
Universal Knob
to select
Window
and push
down the knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select CH1 or CH2 as the trigger
source.
4. Press the
Window Type
softkey to select
Relative
.
5. Press the
Center
Delta
softkey to select
Center
or
Delta
trigger level mode; then turn
the
Trigger Level Knob
to adjust the position. The
Center
and
Delta
values are
displayed at the upper right corner of the screen.
6. In the trigger state message box,
C
means
Center
, the center value of the lower and
upper trigger levels;
D
means
Delta
, the difference between the lower (or upper)
trigger level and the trigger level center.
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Interval Trigger
Trigger when the times difference between the neighboring rising or falling edges meets
the time limit (<=, >=, [--,--], --][--).
To set interval trigger:
1. Press the
Setup
button on the front panel to enter the TRIGGER system function
menu.
2. Press the
Type
softkey; then use the
Universal Knob
to select
Interval
and push down
the knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select CH1 or CH2 as the trigger
source.
4. Press the
Slope
softkey to select rising or falling edge.
5. Press the
Limit Range
softkey; turn the
Universal Knob
to select desired condition.
<= (less than a time value):
trigger when the positive or negative pulse time of
the input signal is lower than the specified time value.
>= (greater than a time value):
trigger when the positive or negative pulse time of
the input signal is greater than the specified time value.
[--,--] (within a range of time value):
trigger when the positive or negative pulse
time of the input signal is greater than the specified lower limit of time and lower
than the specified upper limit of time value.
--][-- (outside a range of time value):
trigger when the positive or negative pulse
time of the input signal is greater than the specified upper limit of time and lower
than the specified lower limit of time value.
6. Press the
Time Setting
softkey (
<=, >=, [--,--],--][--
), turn the
Universal Knob
to select
the desired value.
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Dropout Trigger
Dropout trigger includes two types: edge and state.
Edge
Trigger when the time interval (△T) from when the rising edge (or falling edge) of the input
signal passes through the trigger level to when the neighboring rising edge (or falling edge)
passes through the trigger level is greater than the timeout time set, as shown in the figure
below.
State
Trigger when the time interval (△T) from when the rising edge (or falling edge) of the input
signal passes through the trigger level to when the neighboring falling edge (or rising edge)
passes through the trigger level is greater than the timeout time set, as shown in the figure
below.
To set edge Dropout trigger:
1. Press the
Setup
button on the front panel to enter the TRIGGER system function
menu.
2. Press the
Type
softkey; then use the
Universal Knob
to select
Dropout
and push
down the knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select CH1 or CH2 as the trigger
source. The current trigger source is displayed at the upper right corner of the screen.
Select channel with signal input as trigger source to obtain stable trigger.
4. Press the
Slope
softkey to select rising or falling edge.
5. Press the
OverTime Type
softkey to select
Edge
.
6. Press the
Time
softkey; turn the universal to select the desired value.
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Figure 35 Edge Dropout Trigger
To set state Dropout trigger:
1. Press the
Setup
button to enter the TRIGGER system function menu.
2. Press the
Type
softkey; then turn the
Universal Knob
to select
Dropout
and push
down the knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select CH1 or CH2 as the trigger
source.
4. Press the
Slope
softkey to select rising or falling edge.
5. Press the
OverTime
Type softkey to select State.
6. Press the
Time
softkey; turn the
Universal Knob
to select the desired value.
Figure 36 State Dropout Trigger
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Runt Trigger
The Runt trigger looks for pulses that cross one threshold but not another as shown in the
picture below.
A positive runt pulse across through a lower threshold but not an upper threshold.
A negative runt pulse across through an upper threshold but not a lower threshold.
To trigger on runt pulse:
1. Press the
Setup
button on the front panel to enter the
TRIGGER
system function
menu.
2. Press the
Type
softkey; then turn the
Universal Knob
to select
Runt
and push down
the knob to confirm.
3. Press the
Source
softkey; turn the
Universal Knob
to select CH1 or CH2 as the trigger
source.
4. Press the
Polarity
softkey to select
Positive
or
Negative
pulse to trigger.
5. Press the
Limit Range
softkey; turn the
Universal Knob
to select the desired condition
(
<=
,
>=
,
[--,--]
or
--][--
).
6. Press the
Time Setting
softkey, and then turn the
Universal Knob
to select the
desired value.
7. Press the
Next Page
softkey to enter the second page of the TRIGGER system
function menu. Press the
Lower Upper
softkey to select
Lower
or
Upper
trigger level,
and the turn the
Universal Knob
to set the position.
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Pattern Trigger
The Pattern trigger identifies a trigger condition by looking for a specified pattern. The
pattern trigger can be expanded to incorporate delays similar to other triggers. Pattern
durations are evaluated using a timer. The timer starts on the last edge that makes the
pattern “true”. Potential triggers occur on the first edge that makes the pattern false,
provided that the time qualifier criterion has been met. The oscilloscope provides 4
patterns: logical AND, OR, NAND and NOR combination of the channels. Each channel
can set to low, high or invalid.
Do the following steps to set pattern trigger:
1. Press the
Setup
button on the front panel to enter the TRIGGER function menu.
2. Press the
Type
softkey; turn the
Universal Knob
to select
Pattern
, and then push
down the knob to confirm.
3. Press each channel softkey to select
Invalid
,
High
or
Low
.
Low
sets the pattern to low on the selected channel. A low is a voltage level that
is less than the channel's trigger level or threshold level.
High
sets the pattern to high on the selected channel. A high is a voltage level
that is greater than the channel's trigger level or threshold level.
Invalid
sets the pattern to don't care on the selected channel. Any channel set to
don't care is ignored and is not used as part of the pattern.
However, if all channels in the pattern are set to
Invalid
, the oscilloscope will not
trigger.
Adjust the trigger level for the selected analog channel by turning the Trigger
Level knob.
Invalid
doesn’t need to set trigger level.
4. Press the
Next Page
softkey to enter the second page of the pattern trigger menu.
5. Press the
Logic
softkey and then turn the
Universal Knob
to select the desired logic
combination
AND
,
OR
,
NAND
or
NOR
.
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6. Press the
Time
softkey; then turn the
Universal Knob
to select the desired time value.
7. Press the
Holdoff Close
softkey to turn on the Holdoff function; then turn the
Universal
Knob
to select the desired value.
Figure 38 Pattern Trigger
Holdoff can be set in pattern trigger, see the sections "Trigger Holdoff" for details.
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Serial Trigger and Decode
The oscilloscope provides I2C, SPI, UART, CAN and LIN serial trigger and decode. This
chapter introduces the method of triggering and decoding these serial signals in details.
The contents of this chapter:
I2C Trigger and Decode
SPI Trigger and Decode
UART Trigger and Decode
CAN Trigger and Decode
LIN Trigger and Decode
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I2C Trigger and Serial Decode
Please in order of “
Setup for I2C Signals
”, “
I2C Trigger
” and “
I2C Serial Decode
” to
trigger and decode the signals.
Setup for I2C Signals
Setting the I2C (Inter-IC bus) signal includes two steps: connecting the serial data signal
(SDA) and serial clock signal (SCK) to oscilloscope, specifying the threshold voltage of
each input signal.
1. Press the
Decode
key to enter the
DECODE
function menu as Figure 34 shows.
Figure 39 I2C DECODE Menu
2. Press the
Decode
softkey and select the desired slot (Decode1 or Decode2).
3. Press the
Protocol
softkey and then select
I2C
by turning Universal Knob.
4. Press the
Signal
softkey to enter the
SIGNAL
menu as Figure 35 shows.
Figure 40 I2C SIGNALLE Menu
5. Set SCL (I2C’s clock signal):
a. Press the
SCL
softkey to select the channel that is connected to the I2C clock
signal.
b. Press the first
Threshold
softkey to set the I2C clock signal’s threshold voltage
level by
Universal Knob
. The threshold voltage level is for decoding, and it will be
regard as the trigger voltage level when set the trigger type to serial.
6. Set SDA (I2C’s data signal):
a. Press the
SDA
to select the channel that is connected to the I2C data signal.
b. Press the second
Threshold
softkey to set the I2C data signal’s threshold voltage
level by
Universal Knob
. The threshold voltage level is for decoding, and it will be
regard as the trigger voltage level when set the trigger type to serial.
(Tips: SDA should keep stable during the whole high clock cycle, otherwise it will be
interpreted as a start or stop condition (data transitioning while the clock is high))
7. Press the
softkey to return previous menu.
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I2C Trigger
This part introduces the nine kinds of trigger conditions (Start, Stop, Restart, No Ack,
EEPROM, 7 Addr&Data, 10 Addr&Data and Data Length) and the methods of setting
them.
Trigger Conditions
Start Condition
— the oscilloscope will be triggered when SDA signal transitions from
high to low while the SCL clock is high. If it is chosen as the condition of trigger
(including frame triggers), a restart will be treated as a “Start condition”.
Stop Condition
— the oscilloscope will be triggered when SDA transitions from low to
high while the SCL is high.
Restart
— the oscilloscope will be triggered when another “Start condition” occurs
before a “Stop condition”
.
No Ack
— the oscilloscope will be triggered when SDA data is high during any SCL’s
ACK bit.
EEPROM
— the trigger searches for EEPROM control byte (the value is 1010xxx) on
the SDA bus. And there is a Read bit and a ACK bit behind EEPROM. Using
Limit
Range
softkey to set the qualifier and
Data1
softkey to set the data’s value. If
EEPROM’s data is greater(less, equal) than Data1, the oscilloscope will be triggered
at the edge of ACK bit behind Data byte. It’s unnecessary that the Data byte musts
follow the EEPROM.
7 Address & Data
— the oscilloscope will be triggered when the following conditions
are satisfied.
The address’s length must be 7 bits and the address’s value is the same as set
value.
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If you have set either Data1’s or Data2’s value, and the signal has a data is the
same as that value. If you have set both Data1’s and Data2’s value, the signal
should has two consecutive data, the first data’s value is Data1, second data
value is Data2.
(
Note
: If the data’s value is 0xXX, any data value will be matched)
10 Address & Data
— the oscilloscope will be triggered when the following conditions
are satisfied.
The address’s length must be 10 bits and the address’s value is the same as set
value.
If you have set either Data1’s or Data2’s value, and the signal has a data is the
same as that value. If you have set both Data1’s and Data2’s value, the signal
should has two consecutive data, the first data’s value is Data1, second data
value is Data2.
(
Note
: If the set value is 0xXX, any data value will be matched)
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Data Length
— When SDA data’s length is equal to the value of Byte Length and
address’s length is the same as set value, the oscilloscope will be triggered. Byte
length is in the range of 1 to 12 bits.
Operation Steps
1. Press the
Setup
to enter the
TRIGGER
function menu.
2. Press the
Type
and select
Serial
.
3. Press the
Protocol
and select
I2C
.
4. Press the
Trigger Setting
softkey.
Figure 41 I2C TRIGGER Menu
5.
Press the
Condition
softkey and turn the
Universal Knob
to select the trigger
condition:
If you select the
EEPROM
condition:
a. Press
the
Limit Range
softkey to set the qualifier (
=
,
<
or
>
).
b. Press the
Data1
softkey and set its value by turning the
Universal Knob
.
If you select
7 Addr & Data
or
10 Addr & Data
condition:
a. Press the
Addr
softkey and turn the
Universal Knob
to select the 7- bit or 10-
bit device address.
b. Press the
Data1
or
Data2
softkey and set the value about them.
c. Press the
R/W bit
softkey and select write-frame or read-frame to trigger the
oscilloscope.
(Tips: If device address is 7-bit, the value of address is in range of 0x00 to 0x7F.If
device’s address is 10-bit, the value of address is in range of 0x00 to 0x3FF.)
If you select the
Data Length
condition:
a. Press the
Address
to set the SDA address length 7bit or 10 bit.
b. Press the
Byte Length
softkey and set the byte length by
Universal Knob
.
The range of the Byte Length
is 1 to 12.
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I2C Serial Decode
After completing the setup of I2C signal and trigger, we will decode I2C signals. Operation
steps as follows.
1. Press
Decode
→
Decode
. Select one of the options from the
Decode1
and
Decode2.
2. Press the
Display
and select
On
to display the result of decoding.
3. Press
the
List
to enter the
LIST
function menu.
4. Press the
Display
and choose the same options as the first step.
5. Press the
Lines
and set the number of lines by
Universal Knob
. The range of the lines
is 1 to 7.
6. Press the
Format
to change the character encoding format of the decoding’s result.
7. Press the
Scroll
and turn the
Universal Knob
to view all frames.
Interpreting I2C Decode
The frames of decoding result:
The address value is displayed at the beginning of a frame. The write address is
displayed in green, and read address in yellow.
W/R bit is represented by (W) and (R), following the address value.
The data value is displayed in white.
"~A" after a data or address bits indicates no acknowledgement. For example, DB~A.
indicates there is not enough space on the display to show the complete content
of a frame, and some content is hidden.
Figure 42 I2C Decode Bus Display
The lists of decoding result:
Time — the horizontal displacement between current frame and trigger position.
Address — the address of a frame.
R/W — the type of a frame (write or read).
Data — the value of data.
Figure 43 I2C Decode List Display
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SPI Trigger and Serial Decode
Please in order of “
Setup for SPI Signals
”, “
SPI Trigger
” and “
SPI Serial Decode
” to
trigger and decode the signals.
Setup for SPI Signals
Setting the SPI (Serial Peripheral Interface) signal includes two steps: connecting the CLK,
MISO, MOSI and CS signals to oscilloscope; specifying the parameters of each input
signal.
1. Press the
Decode
key to enter the
DECODE
function menu.
2. Press the
Decode
softkey and select the desired slot (Decode1 or Decode2).
3. Press the
Protocol
softkey and then select
SPI
by turning
Universal Knob
.
4. Press the
Signal
softkey to enter the
SIGNAL
menu as Figure 35 shows.
Figure 44 SINGAL Menu
5. Set CLK (clock signal):
a. Press the
CLK
softkey to enter
CLK
menu.
b. Press the
CLK
softkey to select the channel that is connected to the SPI clock
signal.
c. Press the
Threshold
softkey to set the SPI clock signal’s threshold voltage level
by
Universal Knob
. The threshold voltage level is for decoding, and it will be
regard as the trigger voltage level when set the trigger type to serial.
d. Press the
Edge Select
softkey to set the oscilloscope will samples at clock
signal’s rising edge or falling edge.
e. Press the softkey to return previous menu.
Figure 45 CLK Menu
6. Set MISO:
a. Press the
MISO
softkey to enter the MISO menu.
b. Press the
MISO
softkey to select the channel that is connected to the SPI MISO
signal.
c. Press the
Threshold
softkey to set the SPI MISO signal’s threshold voltage level
by
Universal Knob
. The threshold voltage level is for decoding, and it will be
regard as the trigger voltage level when set the trigger type to serial.
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d. Press the softkey to return previous menu.
Figure 46 MISO Menu
7. Set MOSI:
a. Press the
MOSI
softkey to enter the MOSI menu.
b. Press the
MOSI
softkey to select the channel that is connected to the SPI MOSI
signal.
c. Press the
Threshold
softkey to set the SPI MOSI signal’s threshold voltage level
by
Universal Knob
. The threshold voltage level is for decoding, and it will be
regard as the trigger voltage level when set the trigger type to serial.
d. Press the softkey to return previous menu.
Figure 47 MOSI Menu
8. Set CS:
a. Press the
CS
softkey to enter the MOSI menu.
b. Press the
Cs Type
softkey to select the chip select type.
c. Modify the Cs type’s value.
d. Press the
softkey to return previous menu.
Function
Menu
Settings
Explanation
CS Type
~CS low voltage level of CS signal is available
CS high voltage level of CS signal is available
CLK
Timeout
If the time between two edges of clock signal is less
than (or equal to) the va
lue of timeout, the signal
between the two edges is treat as a frame. The range of
clock timeout is 100ns-5ms. This setting is suitable for
case where CS signal is not connected, or the number
of oscilloscope channels is insufficient (such as
two-channel oscilloscopes).
Table 1 Menu Explanations of the CS Type Parameters
9. Press the
Bit Order
softkey to select the bit order (
LSB
or
MSB
).
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SPI Trigger
This part will provide a brief introduction and description for the operation of the SPI
trigger.
1. Press the
Setup
button to enter the
TRIGGER
function menu.
2. Press the
Type
and select
Serial
.
3. Press the
Protocol
and select
SPI
.
4. Press the
Trigger Setting
softkey.
Figure 48 SPI TRIG SET Menu
5. Press the
Trigger Type
softkey to select the trigger condition.
Function
Menu
Settings
Explanation
Trigger
Type
MISO Master-In, Slave-Out
MOSI Master-Out, Slave-In
Table 2 Menu Explanations of the SPI trigger type
6. Press the Data Length softkey, and turn the Universal Knob to set the length of a data.
The range of data length is 4 to 96 bits.
7. Set the value of the trigger data.
Set the value of a bit:
a. Press the
Bit Roll
softkey to select a bit in data.
b. Press the
Bit Value
softkey to set the value of the selected bit.
Set the value of all bits:
a. Press the
All Same
softkey to set the value of all bits.
Function
Menu
Settings
Explanation
Bit Value
0 High voltage level
1 Low voltage level
X Don’t care the voltage level
Table 3 Menu Explanations of the SPI Bit value
8. Press the
Next Page
softkey.
9. Press the
Bit Order
softkey to set the bit order (MSB or LSB).
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SPI Serial Decode
After completing the setup of SPI signal and trigger, we will decode SPI signals. Operation
steps as follows.
1. Press
Decode
→
Decode
. Select one of the options from the
Decode1
and
Decode2.
2. Press the
Display
and select
On
to display the result of decoding.
3. Press the
List
to enter the
LIST
function menu.
4. Press the
Display
and choose the same options as the first step.
5. Press the
Lines
and set the number of lines by
Universal Knob
. The range of the lines
is 1 to 7.
6. Press the
Format
to change the character encoding format of the decoder’s result.
7. Press the
Scroll
and turn the
Universal Knob
to view all frames.
Interpreting SPI Decode
The frames of decoding result:
The data values are displayed in frames and are shown in white. Support 4~96 bit
data display.
MISO — the decoding result of “Master-In, Slave-Out” line.
MOSI —the decoding result of “Master-Out, Slave-In” line.
indicates there is not enough space on the display to show the complete content
of a frame, and some content is hidden.
Figure 49 SPI Decode Bus Display
The lists of decoding result:
Time — the horizontal displacement between current frame and trigger position.
MISO — the decoding result of “Master-In, Slave-Out” line.
MOSI —the decoding result of “Master-Out, Slave-In” line.
Figure 50 SPI Decode List Display
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UART Trigger and Serial Decode
Please in order of “
Setup for UART Signals
”
,
“
UART Trigger
” and “
UART Serial Decode
”
to trigger and decode the signals.
Setup for UART Signals
1. Press the
Decode
key to enter the
DECODE
function menu.
2. Press the
Decode
softkey and select the desired slot (Decode1 or Decode2).
3. Press the
Protocol
softkey and then select
UART
by turning
Universal Knob
.
4. Press the
Signal
softkey to enter the
SIGNAL
menu as below shows.
Figure 51 UART SIGNAL Menu
5. Set RX:
a. Press the
RX
to select the channel that is connected to the RX signal.
b. Press the first
Threshold
key
to set the RX signal’s threshold voltage level by
Universal Knob
. The threshold voltage level is for decoding, and it will be regard
as the trigger voltage level when set the trigger type to serial.
6. Set TX:
a. Press the
TX
to select the channel that is connected to the TX signal.
b. Press the second
Threshold
key
to set the TX signal’s threshold voltage level by
Universal Knob
. The threshold voltage level is for decoding, and it will be regard
as the trigger voltage level when set the trigger type to serial.
7. Press the softkey to return previous menu.
8. Press the
Configure
softkey to enter
BUS CONFIG
menu.
Figure 52 BUS CONFIG Menu
9. Press the
Baud
softkey to set baud rate.
The baud rate can be set as predefined value.
If the desired baud rate is not listed, press the
Baud
and select
custom
option,
press the
Custom
and turn the
Universal Knob
to set the desired baud rate.
10. Press the
Data Length
softkey and set byte bits (5-8) by
Universal Knob
.
11. Press the
Parity Check
softkey to set the type of parity check (
Even, Odd
or
None
).
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12. Press the
Stop Bit
softkey to set the length of stop bit (
1, 1.5
or
2 bits
).
13. Press the
Next Page
softkey.
14. Press the
Bit Order
softkey to select the bit order (
LSB
or
MSB
).
15. Press the
Idle Level
softkey to set the idle level (
LOW
or
HIGH
).
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UART Trigger
This part shows a brief introduction and description for the operation of the UART trigger.
1. Press the
Setup
button to enter the
TRIGGER
function menu.
2. Press the
Type
and select
Serial
.
3. Press the
Protocol
and select
UART
.
4. Press the
Trigger Setting
softkey to enter
UART TRIG SET
menu.
Figure 53 UART TRIG SET Menu
5. Press the
Source Type
softkey to select the source of trigger (RX or TX).
6. Press the
Condition
softkey and set up the desired trigger condition:
Start
— the oscilloscope will be triggered at the position of start bit.
Stop
—the oscilloscope will be triggered at the position of stop bits.
Data
— the oscilloscope will be triggered when found a byte which is equal
to(greater or less than) the specified data.
a. Press the
Compare Type
softkey and choose an equality qualifier (
>
,
<
or
=
).
b. Press the
Value
softkey to set data’s value. Data’s value is in range of 0x00
to 0xff.
ERROR
— if the parity check has been set, and the bit of parity check is error,
the oscilloscope will be triggered.
Figure 54 UART Trigger
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UART Serial Decode
After completing the setup of UART signal and trigger, we will decode UART signals.
Operation steps as follows.
1. Press
Decode
→
Decode
. Select one of the options from the
Decode1
and
Decode2.
2. Press the
Display
and select
On
to display the result of decoding.
3. Press the
List
to enter the
LIST
function menu.
4. Press the
Display
and choose the same options as the first step.
5. Press the
Lines
and set the number of lines by
Universal Knob
. The range of the lines
is 1 to 7.
6. Press the
Format
to change the character encoding format of the decoding’s result.
7. Press the
Scroll
and turn the
Universal Knob
to view all frames.
Figure 55 UART Decode
Interpreting UART Decode
The frames of decoding result:
RX — the decoding result of the data received.
TX — the decoding result of the data transmitted.
indicates there is not enough space on the display to show the complete content
of a frame, and some content is hidden.
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Figure 56 UART Decode Bus Display
The lists of decoding result:
Time— the horizontal displacement between current frame and trigger position.
RX — the receiving channel.
TX — the transmitting channel.
RX Err— Parity error or unknown error in the data received.
TX Err— Parity error or unknown error in the data transmitted.
Figure 57 UART Decode List Display
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CAN Trigger and Serial Decode
Please in order of “
Setup for CAN Signals
”, “
CAN Trigger
” and “
CAN Serial Decode
” to
trigger and decode the signals.
Setup for CAN Signals
1. Press the
Decode
key to enter the
DECODE
function menu.
2. Press the
Decode
softkey and select the desired slot (Decode1 or Decode2).
3. Press the
Protocol
softkey and then select
CAN
by turning
Universal Knob
.
4. Press the
Signal
softkey to enter the
SIGNAL
menu as Figure 55 shows.
Figure 58CAN SIGNAL Menu
a. Press the
Source
softkey to select the channel that is connected to the CAN
signal.
b. Press the
Threshold
key
to set the CAN signal’s threshold voltage level by
Universal Knob
. The threshold voltage level is for decoding, and it will be regard
as the trigger voltage level when set the trigger type to serial.
5. Press the
Configure
softkey to enter the
BUS CONFIG
menu.
6. Press the
Baud
to set baud rate by
Universal Knob
.
The baud rate can be set as predefined value (from 5kb/s to 1Mb/s) or custom
value (from 5kb/s to 1Mb/s).
If the desired baud rate is not listed, press
Baud
and select
custom
option, press
the
Custom
and turn the
Universal Knob
to set the desired baud rate.
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CAN Trigger
This part will provide a brief introduction and description for the operation of the CAN
trigger.
Trigger Conditions
Start
— the oscilloscope will be triggered at the start bit of a frame.
Remote
— the oscilloscope will be triggered by a remote frame with specified ID.
ID
— the oscilloscope will be triggered by a remote or data frame that have specified
ID.
ID+DATA
— the oscilloscope will be triggered by data frame that have specified ID
and data.
Error
— the oscilloscope will be triggered by an error frame.
Operation Steps
1. Press the
Setup
to enter the
TRIGGER
function menu.
2. Press the
Type
and select
Serial
.
3. Press the
Protocol
and select
CAN
.
4. Press the
Trigger Setting
to enter the
CAN TRIG SET
menu.
5. Press the
Condition
and select the trigger condition by
Universal Knob
:
If you select the
REMOTE
and
ID
condition:
a. Press the
ID
Bits
to set the length of ID (11bits or 29 bits).
b. Press the
Curr ID Byte
and use the
Universal Knob
to select the byte that
you want to set.
c. Press the
ID
and set the ID’s value by the
Universal Knob
.
(
Tips
: In order to make is convenient for the operator to set the parameters, ID b
is split into several bytes. For example, if the ID’s length is 11 bits, it will be split
into two bytes, a byte includes 8 bits. If “1st byte” is selected, only the 8 least
significant bits can be changed.)
If you select the
ID+DATA
condition:
a. Press the
ID bits
softkey to select the ID’s length (11 or 29 bits).
b. Press the
Curr ID Byte
softkey and use
Universal Knob
to select the byte
that you want to modify.
c. Press the
ID
softkey and set the ID’s value by
Universal Knob
.
d. Press the
Data
softkey and set the value of the first byte by
Universal Knob
.
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Figure 59 CAN Trigger
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CAN Serial Decode
After completing the setup of can signal and trigger, we will decode CAN signals.
Operation steps as follows.
1. Press
Decode
→
Decode
. Select one of the options from the
Decode1
and
Decode2.
2. Press the
Display
and select
On
to display the result of decoding.
3. Press
the
List
to enter the
LIST
function menu.
4. Press the
Display
and choose the same options as the first step.
5. Press the
Lines
and set the number of lines by
Universal Knob
. The range of the lines
is 1 to 7.
6. Press the
Format
to change the character encoding format of the decoder’s result.
7. Press the
Scroll
and turn the
Universal Knob
to view all frames.
Interpreting CAN Decode.
The frame of decoding result:
Arbitration field is displayed in frame
Control field is displayed in frame
Data field is displayed in frame
CRC field is displayed in frame
indicates there is not enough space on the display to show complete content of a
frame and some content is hidden.
Figure 60 CAN Decode Bus Display
The list of decoding result:
Time— the horizontal displacement between current frame and trigger position.
Type — the type of frames, “D” represents data frame, “R” represents remote frame.
ID — the id of frames, the oscilloscope can automatically detect the length
of frame’s id (11 bits or 27 bits).
Length — the length of data field.
Data — the value of data field.
CRC — the value of CRC (Cyclic Redundancy Check) field.
ACK — Acknowledgment bit.
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Figure 61 CAN Decode List Display
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LIN Trigger and Serial Decode
Please take the order of “
Setup for LIN Signals
”, “
LIN Trigger
” and “
LIN Serial Decode
” to
trigger and decode the signals.
Setup for LIN Signals
There are two steps of setting the LIN signal, connecting the signal to oscilloscope,
specifying the parameters of each input signal.
1. Press the
Decode
button to enter the DECODE function menu.
2. Press the
Decode
softkey and select the desired slot (Decode1 or Decode2).
3. Press the
Protocol
softkey and then select
LIN
by turning
Universal Knob
.
4. Press the
Signal
softkey to enter the
SIGNAL
menu as Figure 58 shows.
Figure 62 LIN SIGNAL Menu
5. Press the
Source
softkey to select the channel that is connected to the LIN signal.
6. Press the
Threshold
softkey and set the LIN signal’s threshold voltage level by
Universal Knob
. The threshold voltage level is for decoding, and it will be regard as
the trigger voltage level when set the trigger type to serial.
7. Press the softkey to return previous menu.
8. Press the
Configure
softkey to enter the
BUS CONFIG
menu.
9. Press the
Baud
softkey to set baud rate.
The baud rate can be set as predefined value.
If the desired baud rate is not listed, select
custom
option, press the
Custom
and
turn the
Universal Knob
to set the desired baud rate.
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LIN Trigger
This part will provide a brief introduction and description for the operation of the LIN
trigger.
Trigger Conditions
Break
— the oscilloscope will be triggered at the position of break field’s break
delimiter.
ID
(Frame ID) — the oscilloscope will be triggered at the position of identifier field’s
stop bit, if the value of a frame’s ID is equal to specified value.
(
Note
: If the data’s value is 0xXX, any data value will be matched)
ID + Data
(Frame ID and Data) — the oscilloscope triggers when a frame with an ID
and data equal to the selected values is detected. Use the
Universal Knob
to select
the value for the ID, Data1 and Data2.
a. The ID’s value is the same as set value.
b. If you have set either Data1’s or Data2’s value, and the signal has a data is the
same as that value. If you have set both Data1’s and Data2’s value, the signal
should has two consecutive data, the first data’s value is Data1, second data
value is Data2.
(
Note
: If the data’s value is 0xXX, any data value will be matched)
Data Error
—the oscilloscope will be triggered when errors (such as ID check error,
checksum error, sync byte field error) are detected.
Operation Steps
1. Press the
Setup
button to enter the
TRIGGER
function menu.
2. Press the
Type
and select
Serial
.
3. Press the
Protocol
and select
I2C
.
4. Press the
Trigger Setting
softkey to enter
LIN TRIG SET
menu.
5. Press the
Condition
and select the trigger condition by
Universal Knob
:
If you select
ID
condition
:
a. Press the
ID
softkey and set its value by turning the
Universal Knob
.
If you
select
ID+DATA
condition
:
a. Press the
ID
softkey and set its value by turning the
Universal Knob
.
b. Press the
DATA1
softkey and set its value by turning the
Universal Knob
.
c. Press the
DATA2
softkey and set its value by turning the
Universal Knob
.
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Figure 63 LIN Trigger
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LIN Serial Decode
After completing the setup of LIN signal and trigger, we will decode LIN signals. Operation
steps as follows.
1. Press
Decode
→
Decode
. Select one of the options from the
Decode1
and
Decode2.
2. Press the
Display
and select
On
to display the result of decoding.
3. Press the
List
to enter the
LIST
function menu.
4. Press the
Display
and choose the same options as the first step.
5. Press the
Lines
and set the number of lines by
Universal Knob
. The range of the lines
is 1 to 7.
6. Press the
Format
to change the character encoding format of the decoder’s result.
7. Press the
Scroll
and turn the
Universal Knob
to view all frames.
Figure 64 LIN Decode
Interpreting LIN Decode
The frame of decoding result:
Protected Identifier Field is displayed in frame
Data Length is displayed in frame
Data Field is displayed in frame.
Checksum Field is displayed in frame.
indicates there is not enough space on the display to show complete content of a
frame and some content is hidden.
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Figure 65 LIN Decode Bus Display
The list of decoding result:
Time— the horizontal displacement between current frame and trigger position.
ID — the value of frame’s Protected Identifier Field.
Data Length — the length of Data Field.
ID Parity — the two check bits of Protected Identifier Field.
Data — the value of Data Field.
Checksum— the value of Checksum Field.
Figure 66 LIN Decode List Display
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Reference Waveform
The oscilloscope can save analog channel or math waveforms to the reference waveform
locations in the oscilloscope. Then, a reference waveform can be displayed and compared
against other waveforms. All reference waveforms can be displayed at a time.
The contents of this chapter:
Save REF Waveform to Internal Memory
Display REF Waveform
Adjust REF Waveform
Clear REF Waveform
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Note: The REF waveforms are non-volatile. The REF waveform can still be saved
after restarts or default operation.
Save REF Waveform to Internal Memory
Do the following steps to save the REF waveform to internal memory:
1. Press the
REF
button on the
front to enter the REF WAVE function menu. Note that
when the time horizontal format is in X-Y mode, REF function cannot be enabled.
2. Press the
Source
softkey; then, turn the
Universal Knob
to select the source of
reference channel. The source includes analog channel and math waveforms.
3. Press the
Location
softkey; then, turn the
Universal Knob
to select the position to
save the REF waveform. The source includes analog channel and math waveforms.
4. Press the
Save
softkey to save the channel or math waveform to the appointed
location. The vertical scale information and the vertical offset of the waveform will be
saved at the same time. It will pop out the message “
Store Data Success
” when the
waveform has been saved successfully.
Display REF Waveform
To the following steps to display REF waveform:
1. Press the
REF
button on the
front to enter the REF WAVE function menu.
2. Press the
Location
softkey; then, turn the
Universal Knob
to select the REF waveform
that you want to display.
3. Press the
Display
softkey to select
On
to display the REF waveform on the screen.
Only saved location can be displayed. The oscilloscope can display all four reference
waveforms at a time.
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Note: The vertical Variable knob and the vertical Position knob are only works for
the reference waveform and the math waveform. Please make a difference with the
channel vertical system.
Adjust REF Waveform
1. Please refer to the “
To Display REF Waveform
” above to display the desired
reference waveform.
2. Press the
Scale
and
Position
softkey and turn the
Universal Knob
to adjust the
vertical scale and position of the reference waveform. The vertical scale and position
information display at the middle of the screen.
The initial values display at the middle of the screen is the setup that when the reference
waveform been saved.
Figure 67 Reference Waveform
Clear REF Waveform
The oscilloscope does not have the “Clear” option under the REF WAVE function menu.
To clear the appointed reference waveform, you can save a new reference waveform to
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the same location to cover it. Or follow the
Save/Recall
→
Recall
→
type
and select
Security Erase
to clear the stored waveform.
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Note: if the analog channel or the math function is cut off (waveforms do not display on
the screen completely), the resulting math will also be cut off.
Math
The oscilloscope supports many math operations between analog channels including
addition (+), subtraction (-), multiplication (*), division (/), FFT, differential (d/dt), integral
(∫dt), square root (√). The resulting math waveform is displayed in white and labeled with
“M”. You can use cursors to measure it.
The contents of this chapter:
Units for Math Waveforms
Math Operators
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Units for Math Waveforms
Use the channel function menu to set the unit of each channel to “
V
” or “
A
”. The
oscilloscope math operation includes units as below:
Math Operation
Unit
Addition (+)or subtraction (-)
V, A
multiplication (*)
V
∧
2, A
∧
2 or W
division (/) None, Ω (Resistance unit Ohms), S (conductance
unit Siemens)
FFT
dBVrms, Vrms, dBm, dBArms, Arms
differential (d/dt)
V/S or A/S (V/second or A/second)
integral (∫dt)
VS or AS (V*second or A*second)
square root ( ) V
∧
1/2 or A
∧
1/2
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Math Operators
The oscilloscope supports math count operation (Addition, subtraction, multiplication,
division), FFT (Fourier transform) operation and math function operation (differential,
integral, square root).
Addition or Subtraction
Math operators perform arithmetic operations add or subtract operation on any two analog
input channels. When you select addition or subtraction, the
Source A
and
Source B
values are added or subtracted point by point, and the result is displayed.
1. Press the
Math
button on the front panel to enter the MATH function menu.
2. Press the
Source A
and
Source B
softkey respectively, and then turn the
Universal
Knob
to select the source to do math operation. Addition or Subtraction can be
applied between Analog channels or between reference waveforms.
3. Press the
Operation
softkey and then turn the universal to select
+
or
-
to make
addition or subtraction operation. The resulting math waveform is displayed in white
and labeled with “M”.
Figure 68 C1+C2 Waveform
4. If you want to invert the math waveform, press the
Invert
button and set the option to
On
to invert the display of the math waveform.
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Multiplication and Division
Math operators perform arithmetic operations multiplication or division operation on any
two analog input channels. When you select multiplication or division, the
Source A
and
Source B
values are multiplied or divided point by point and the result is displayed.
1. Press the
Math
button on the front panel to enter the MATH function menu.
2. Press the
Source A
and
Source B
softkey respectively, and then turn the
Universal
Knob
to select the source to do math operation. Multiplication or Division can be
applied between Analog channels or between reference waveforms.
3. Press the
Operation
softkey and then turn the universal to select
*
or
/
to make
multiplication or division operation. The resulting math waveform is displayed in white
and labeled with “M”.
Figure 69 C1*C2 Waveform
4. If you want to invert the math waveform, press the
Invert
button and set the option to
On
to invert the display of the math waveform.
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FFT Operation
FFT is used to compute the fast Fourier transform using analog input channels. FFT takes
the digitized time record of the specified source and transforms it to the frequency domain.
When the FFT function is selected, the FFT spectrum is plotted on the oscilloscope
display as magnitude in dBV versus frequency. The readout for the horizontal axis
changes from time to frequency (Hertz) and the vertical readout changes from V to dB.
FFT operation can facilitate the following works:
Measure harmonic components and distortion in the device under test
Measure the characteristics of the noise in DC power
Analyze vibration
To display a FFT waveform:
1. Press the
Math
button on the front panel to open the MATH function menu.
2. Press the
Operator
softkey and then turn the
Universal Knob
to select
FFT
. The
resulting math waveform is displayed in white and labeled with “M”.
Figure 70 FFT Menu
3. Press the
Source
softkey, and then turn the
Universal Knob
to select the source to do
FFT operation. Analog channels can be used as the source.
4. Press the
Config
softkey to enter CONFIG menu.
Figure 71 FFT CONFIG Menu
Press the
Maximum points
softkey, and then turn the
Universal Knob
to select
the Maximum points.
Press the
Window
softkey, and then turn the
Universal Knob
to select an
appropriate window.
Spectral leakage can be considerably decreased when a window function is
used. The oscilloscope provides five windows (Rectangle, Blackman, Hanning,
Hamming and Flattop) which have different characteristics and are applicable to
measure different waveforms. You need to select the window function according
to different waveforms and their characteristics. Please read the table below
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carefully to make an appropriate option according to the input signal.
Window
Applications and Characteristics
Rectangle
These are normally used when the signal is transient (completely
contained in the time-domain window) or known t
o have a
fundamental frequency component that is an integer multiple of the
fundamental frequency of the window. Signals other than these
types will show varying amounts of spectral leakage and scallop
loss, which can be corrected by selecting another type of window.
Hanning
These reduce leakage and improve amplitude accuracy. However,
frequency resolution is also reduced.
Hamming
These reduce leakage and improve amplitude accuracy. However,
frequency resolution is also reduced.
Flat Top
This window provides excellent amplitude accuracy with moderate
reduction of leakage, but with reduced frequency resolution.
Blackman
It reduces the leakage to a minimum, but with reduced frequency
resolution.
Press the
Auto set
softkey to automatically set the appropriate parameters for the
FFT measurement.
Press the
Display
softkey to select
Split, Full Screen or Exclusive
display mode.
Split:
the source channel and the FFT operation results are displayed separately.
The time domain and frequency domain signals are displayed clearly.
Full Screen:
the source channel and the FFT operation results are displayed in
the same window to view the frequency spectrum more clearly and to perform
more precise measurements.
Exclusive:
the waveforms of channels are disabled, only the FFT operation
results are displayed in the window to view the frequency spectrum more clearly
and to perform more precise measurements.
Press the
Mode
softkey to select
Normal
,
Max-Hold
or
Average
. When you select
Average
, it is necessary to set the average times.
5. Press the
Vertical
softkey to enter VERTICAL menu.
Figure 72 VERTICAL Menu
Press the
Scale
softkey, and then turn the
Universal Knob
to select the desired
vertical FFT scale
Press the
Ref Level
softkey, and then turn the
Universal Knob
to select the
desired vertical FFT offset.
Press the
Unit
softkey to select the unit of vertical axis. The units of the vertical
axis can be dBVrms, dBm, Vrms or dBArms, Arms, which use a logarithmic scale
or a linear scale to display vertical amplitude respectively.
Press the
Ext Lode
softkey and then turn the
Universal Knob
to select the
external load value.
6. Press the
Horizontal
softkey to enter HORIZONTAL menu.
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Figure 73 HORIZONTAL Menu
Press the
Center
softkey, and then turn the
Universal Knob
to select the desired
center frequency.
Press the
Hz/div
softkey, and then turn the
Universal Knob
to select the desired
resolution frequency.
7. Press the
Tools
softkey to enter TOOLS menu. Press
Type
softkey to select the type
of tools. The type of the tools can be
Peaks
,
Markers
, or
Off
.
Peaks: Automatically mark the peak of the current FFT waveform according to the
search configuration.
Figure 74 FFT Peaks Menu
Press the
Show Table
softkey to display a table of peak, and press
Show
Frequency
softkey to display the frequency value of the peak. Press the
Sort By
softkey continuously to set the table sorting by Amplitude or Frequency.
Press the
Search Config
softkey to set search configuration.
Figure 75 SEARCH Menu
a. Press the
Threshold
softkey and turn the
Universal knob
to set the minimum
peak amplitude. Only peaks larger than the peak limit can be judged as
peaks.
b. Press the
Excursion
softkey and turn the
Universal knob
to set the difference
between the peak value and the minimum Amplitude on both sides. Only
when the difference is greater than the peak value of peak offset can the
peak value be determined.
Markers:
Customize the marker locations on the FFT waveform based on search
configuration.
Figure 76 FFT Markers Menu
Press
Markers Control
softkey to enter MARKER Menu.
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Figure 77 Marker Control Menu
a. Press the
Marker
softkey continuously to select the marker number from
NO.1~NO.8.
b. Press the
Show Marker
softkey continuously to turn on or off the selected
mark.
c. Press the
Frequency
softkey to set the frequency value of the selected
marker.
d. Press the
Next Peak
softkey to move the selected mark to the next peak.
And press the
Next Amplitude
softkey to move the selected marker to the
next peak with lower amplitude.(Up to 10 peaks are supported)
Press the
Search Config
softkey to enter the SEARCH menu. Similar to the
search configuration
for peak markers.
Press the
Markers on Peaks
softkey to set the markers on peaks, and press the
Markers on harmonics
softkey to set the markers on harmonics.
Press the
Show Table
softkey to show the amplitude of the markers; press the
Show Frequency
softkey to show the frequency value of the markers, and press
the
Show Delta
softkey to show the delta amplitude between markers.
The following figure shows the FFT waveform displayed on the split screen and the peak
tool is turned on:
Figure 78 FFT Waveform
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Note:
Signals with DC components or deviation would cause error or deviation of the FFT
waveform components. To reduce the DC components, set the Channel
Coupling
to AC.
To reduce the random noise and aliasing frequency components of repetitive or
single pulse, set the
Acquisition
of the oscilloscope to Average.
Note: please refer to the cursors chapter to obtain the method of using cursors.
To measure FFT waveform:
To make cursor measurements, press the
Cursors
button, and then press the
Mode
softkey to select
On
to turn the cursors, Use the X1 and X2 cursors to measure frequency
values and the difference between two frequency values (ΔX). Use the Y1 and Y2 cursors
to measure amplitude in dB and difference in amplitude (ΔY).
You can find the frequency value at the first occurrence of the waveform maximum by
using the X at Max Y measurement.
Math Function Operation
The oscilloscope supports math function operation including differential (d/dt), integral (∫dt)
and square root (
).
Differentiate
d/dt
(differentiate) calculates the discrete time derivative of the selected source.
Where:
d = differential waveform
y = channel 1, 2, 3, or 4 data points
i = data point index
Δ t = point- to- point time difference
The
dx
option under d/dt math function operation menu shows the point- to- point time
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Note: Because differentiation is very sensitive to noise, it is helpful to set acquisition
mode to Average.
difference, and it ranges from 0.02div to 0.40div. “div” indicates the number of the pixel
points that each division has. The oscilloscope has 50 pixel points per division. Take
0.2div as an example: 0.2*50=10. It means to calculate the ten point’s discrete time
derivative of the selected source, and the Δ t is the ten point’s point- to- point time
difference.
Figure 79 Difference Function Operation
You can use differentiate to measure the instantaneous slope of a waveform. For example,
the slew rate of an operational amplifier may be measured using the differentiate function
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Integrate
dt (integrate) calculates the integral of the selected source. You can use
integrate to
calculate the energy of a pulse in volt- seconds or measure the
area under a waveform.
dt plots the integral of the source using the "Trapezoidal Rule". The equation is:
∑
=
∆+=
n
0i
i0n
ytcI
Where:
I = integrated waveform
Δt = point- to- point time difference
y = channel 1, 2, 3, or 4 data points
c
o
= arbitrary constant
i = data point index
The integrate operator provides an
Offset
softkey that lets you enter a DC offset correction
factor for the input signal. Small DC offset in the integrate function input (or even small
oscilloscope calibration errors) can cause the integrate function output to "ramp" up or
down. This DC offset correction lets you level the integrate waveform.
Figure 80 Integral without Offset
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Figure 81 Integral with Offset
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Square Root
Square root ( ) calculates the square root of the selected source.
Where the transform is undefined for a particular input, holes (zero values) appear in the
function output.
Figure 82 Square Root
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Cursors
Cursors are horizontal and vertical markers that indicate X- axis values and Y- axis values
on a selected waveform source. You can use cursors to make custom voltage, time
measurements on oscilloscope signals.
X Cursors
X cursors are vertical dashed lines that adjust horizontally and can be used to measure
time (when the source is FFT waveform, X cursors measure frequency).
X1 cursor is the left (default position) vertical dotted line; it can be moved to any place of
the screen.
X2 cursor is the right (default position) vertical dotted line; it can be moved to any place of
the screen.
Use the
Universal Knob
to set the X1 and X2 cursor values and the values are displayed
in the cursors box in the upper-left corner of the screen along with the difference between
X1 and X2 (
△T) and 1/△T.
When set cursor type to X2-X1, use
Universal Knob
will move the X1 and X2 cursors
together. The value under the menu option is the difference between the X1 and X2
cursors.
Y Cursors
Y cursors are horizontal dotted lines that adjust vertically and can be used to measure
voltage (V) or current (A). When the cursors source is the math function, the unit will
match the math function.
Y1 cursor is the top (default position) horizontal dotted line; it can be moved to any vertical
place of the screen.
Y2 cursor is the down (default position) horizontal dotted line; it can be moved to any
vertical place of the screen.
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Use the
Universal Knob
to set the Y1 and Y2 cursor values and the values are displayed
in the cursors box in the top left corner of the screen along with the difference between Y1
and Y2 (
△Y).
When set cursor type to Y2-Y1, use
Universal Knob
will move the Y1 and Y2 cursors
together. The value under the menu option is the difference between the Y1 and Y2
cursors.
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Make Cursor Measurements
1. Press the
Cursors
button on the front panel to enter the CURSOR function menu.
2. Press the
Mode
softkey and set the cursors mode to
Manual
or
Track
.
3. Press the
Source
softkey, and then use the
Universal Knob
to select the desired
source. Only analog channels, math waveforms and reference waveforms that are
displayed are available for cursors.
4. Press the
X Ref
and
Y Ref
softkey to set the reference of X cursors and Y cursors.
Position
: when the horizontal/vertical scale is changed, the X/Y cursors remain
fixed to the grid position on the display.
Delay/Offset
: when the horizontal/vertical is changed, the value of X/Y cursors
remain fixed.
5. To make cursor measurements:
To measure the horizontal time, use the
Universal Knob
to move the X1 and X2
cursors to desired place. If necessary, set the cursor type to
X2-X1
, move X1 and
X2 cursors together.
To measure vertical voltage or current, use the
Universal Knob
to move the Y1
and Y2 cursors to desired place. If necessary, set the cursor type to “Y2-Y1”,
move Y1 and Y2 cursors together.
To adjust the transparence of the cursors message box, press the
Display/Persist
softkey and go to the second page, press the
Transparence
(20% to 80%) softkey and then turn the
Universal Knob
to adjust the
transparence to the desired value.
Cursor examples:
Use cursors to measure pulse width:
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Figure 83 Measure Pulse Width
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Measure
The oscilloscope provides measurements of 36 waveform parameters and the statistics. It
contains voltage, time and delay parameters.
Voltage and time parameters are under Type option. The results of the last four selected
measurements are displayed at the bottom of screen and above the menu. Delay
parameters are under the
All Measure
submenu. Set the Delay option to On to display all
the delay parameters.
The contents of this chapter:
Type of measurement
Automatic measurement
All measurement
Gate measurement
Clear measurement
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Type of Measurement
Voltage Measurements
Voltage measurements include 15 kinds of voltage parameter measurements.
Figure 84 Voltage Measurements
1.
Peak-Peak:
Difference between maximum and minimum data values.
2.
Maximum:
Highest value in input waveform.
3.
Minimum:
Lowest value in input waveform.
4.
Amplitude:
Difference between top and base in a bimodal signal, or between max and
min in an unimodal signal.
5.
Top:
Value of most probable higher state in a bimodal waveform.
6.
Base:
Value of most probable lower state in a bimodal waveform.
7.
Mean:
Average of all data values
8.
Cycle mean:
Average of data values in the first cycle.
9.
Stdev:
Standard deviation of all data values
10.
Cycle Stdev:
Standard deviation of all data values in the first cycle
11.
Rms:
Root mean square of all data values.
12.
Cycle RMS:
Root mean square of all data values in the first cycle.
13.
Overshoot:
Overshoot is distortion that follows a major edge transition expressed as a
percentage of Amplitude. ROV means rising edge overshoot and FOV means falling
edge overshoot.
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Figure 85 Overshoot
14.
Preshoot:
Preshoot is distortion that precedes a major edge transition expressed as a
percentage of Amplitude. The X cursors show which edge is being measured (edge
closest to the trigger reference point).
Figure 86 Preshoot
15.
Level@X: t
he voltage value between the trigger point and the vertical position of the
channel
Time Measurements
Time measurements include 11 kinds of time parameter measurements.
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Figure 87 Time Measurements
1.
Period:
Period for every cycle in waveform at the 50% level, and positive slope.
2.
Frequency:
Frequency for every cycle in waveform at the 50% level ,and positive
slope
3.
+ Width:
Width measured at 50% level and positive slope.
-
Width:
Width measured at 50% level and negative slope.
4.
Rise Time:
Duration of rising edge from 10-90%.
5.
Fall Time:
Duration of falling edge from 90-10%.
6.
BWid
: Time from the first rising edge to the last falling edge, or the first falling edge to
the last rising edge at the 50% crossing.
7.
+ Duty:
Ratio of positive width to period.
-
Duty:
Ratio of negative width to period.
8.
Delay：
Time from the trigger to the first transition at the 50% crossing.
9.
T@L：
Time from trigger of each transition at a specific level and slope, include:
Current, Max, Min, Mean, Std-dev.
Delay Measurements
Delay measurements measure the time different between arbitrary two channels,
including 10 kinds of delay measurements.
1.
Phase:
Calculate the phase difference between two edges.
2.
FRFR:
Time between the first rising edges of the two channels.
3.
FRFF:
Time from the first rising edge of channel A to the first falling edge of channel
B.
4.
FFFR:
Time from the first falling edge of channel A to the first rising edge of channel
B.
5.
FFFF:
Time from the first falling edge of channel A to the first falling edge of channel
B.
6.
FRLR:
Time from the first rising edge of channel A to the last rising edge of channel
B.
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7.
FRLF:
Time from the first rising edge of channel A to the last falling edge of channel
B.
8.
FFLR:
Time from the first falling edge of channel A to the last rising edge of channel
B.
9.
FFLF:
Time from the first falling edge of channel A to the last falling edge of channel
B.
10.
Skew：
Time of source A edge minus time of nearest source B edge.
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Automatic Measurement
Perform the steps below and select voltage or time parameters to make automatic
measurement.
1. Press the
Measure
button on the front panel to enter the MEASURE function menu.
At the same, the frequency and period are enabled with the current trigger channel,
the statistics also was enabled.
2. Press the
Source
softkey, and then use the
Universal Knob
to select the desired
channel. Only analog channels that are displayed are available for measurements.
3. To select and display measurement parameters. Press the
Type
softkey, and then
turn the
Universal Knob
to select the desired measurement parameter.
4. Press the
Universal Knob
to add the measurement parameter, the parameters and
value will be shown above the menu, and the statistics status will update.
5. To turn off the statistic function, press the
Statistics
softkey to select
Off
.
The measurement display area can display 4 measurement parameters at most, and the
measurements will arrange according to the selecting order. If add the fifth measurement
parameter, it will delete the first measurement.
Figure 88 Select the Measurement Parameter
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Note: if the parameter does not match the measure condition, it will display as “****”.
Figure 89 Added the Measurement
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All Measurement
All measurement could measure all the voltage, time and delay parameters of the current
measurement source and display the results on the screen.
Figure 90 All Parameters Measurement
Do the following steps to make all parameters measurement.
1. Press the
Measure
button on the front panel to enter the MEASURE function menu.
2. Press the
All Measure
softkey to select
On
.
3. Press the
Source
softkey to select the measure source.
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Gate Measurement
The SDS1000X-E supports gate measurement and performs the selected measurement
within the upper and lower limits of the gate. Setting the gate will affect the measurement
of all voltage, time, and delay parameters.
1. Press
Measure
→
Gate
→
On
to open the gate measurement.
2. Press the
Gate A
to move the position of gate A by the
Universal Knob.
3. Press the
Gate B
to move the position of gate B by the
Universal Knob.
4. Press the
Gate A-B
to move the positions of the gate A and B simultaneously by the
Universal Knob
.
Figure 91 Gate Measurement
Clear Measurement
Press the
Clear
softkey to clear all the measurement parameters that are displaying on
the screen.
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Display
You can set the display type, color, persistence, grid type, waveform intensity, grid
brightness and transparence.
The contents of this chapter:
Display Type
Color Display
Persistence
Clear the Display
Grid Type
Intensity
Grid Brightness
Transparence
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Display Type
Press the
Display
button on the front panel, and then press the
Type
softkey to select
Vectors
or
Dots
display type.
Vectors:
the sample points are connected by lines and displayed. Normally, this mode
can provide the most vivid waveform to view the steep edge of the waveform (such as
square waveform).
Dots:
display the sample points directly. You can directly view each sample point and
use the cursor to measure the X and Y values of the sample point.
Figure 92 Vectors Display
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Figure 93 Dots Display
Color Display
Color temperature adopts the change of waveforms’ color to reflect the change of the
waveforms’ appearing probability. The greater the probability that the waveform appears,
the warmer the color is; the smaller the waveform appears, the colder the color is.
The picture below shows the change of color from cold to warm. Press the
Display
button
on the front panel, and then press the
Color
softkey and set the option to
On
to turn on the
color temperature function. You can compare the waveform’s color with the picture below
to just the probability that the waveform appears.
Cold Color Warm Color
Figure 94 Color Temperature
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Persistence
With persistence, the oscilloscope updates the display with new acquisitions, but does not
immediately erase the results of previous acquisitions. All previous acquisitions are
displayed with reduced intensity. New acquisitions are shown in their normal color with
normal intensity.
Do the following steps to set and clear persistence:
1. Press the
Display/Persist
button on the front panel to enter the DISPLAY function
menu.
2. Press the
Persist
softkey; then turn the
Universal Knob
to select the desires option.
Off
—turn of persistence.
Variable persistence time
(1 second, 5 seconds, 10 seconds, 30 seconds ) —
select different persistence time, the results of previous acquisitions are erased
after a certain amount of time
Infinite
—select “Infinite” Results of previous acquisitions are never erased. Use
infinite persistence to measure noise and jitter, to see the worst- case extremes
of varying waveforms, to look for timing violations, or to capture events that occur
infrequently.
Figure 95 Persist Set to Infinite
3. When the
Persist
is
On
, to erase the results of previous acquisitions from the display,
press the
Clear Persist
softkey. The oscilloscope will start to accumulate acquisitions
again.
4. To return to the normal display mode, turn off persist and the previous acquisitions
will be clear at once.
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Clear Display
Press the Display button on the front panel to enter the DISPLAY function menu; press the
Clear Display
softkey to clear all the waveforms displaying on the screen and acquire and
display new waveforms.
Grid Type
To select grid type
1. Press the
Display/Persist
button on the front panel to enter the DISPLAY function
menu.
2. Press the
Next Page
softkey to go to the second page of the Display function menu.
3. Press the
Grid
softkey; and then turn the
Universal Knob
to select the desired grid
type. Press the
Grid
softkey continually can also select the grid type.
There are 3 kinds of grid types that are available. Select the grid type according to your
really demand.
Display 14X8 grid type
Display 2X2 grid type
Display without grid
Intensity
Do the following steps to adjust waveform intensity:
1. Press the
Display/Persist
button on the front panel to enter the DISPLAY function
menu.
2. Press the
Next Page
softkey to go to the second page of the Display function menu.
3. Press the
Intensity
softkey; and then turn the
Universal Knob
to select the desired
value. The default value is 50%, and the range is from 0% to 100%.
Increasing the intensity lets you see the maximum amount of noise and infrequently
occurring events. Reducing the intensity can expose more detail in complex signals as
shown in the following figures.
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Note: Waveform intensity adjustment affects analog channel waveforms only (not math
waveforms, reference waveforms, digital waveforms, etc.).
Grid Brightness
Do the following steps to adjust the grid brightness:
1. Press the
Display
button on the front panel to enter the DISPLAY function menu.
2. Press the
Next Page
softkey to go to the second page of the Display function menu.
3. Press the
Graticule
softkey; and then turn the
Universal Knob
to select the desired
value. The default value is 40%, and the range is from 0% to 100%.
Transparence
Transparence can be used to adjust the transparence of the message box of cursor,
measure, Pass/Fail and all pop-up menus to an appropriate value to observe the date
more conveniently.
Under Cursor or Measure or any other menu operation, if want to change the
transparence of the message box, do the following steps:
1. Press the
Display
button on the front panel to enter the DISPLAY function menu.
2. Press the
Next Page
softkey to go to the second page of the Display function menu.
3. Press the
Transparence
softkey; and then turn the
Universal Knob
to select the
desired value. The default value is 80%, and the range is from 20% to 80%.
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Save and Recall
Oscilloscope setups, waveforms, pictures, and CSV files can be saved to internal
oscilloscope memory or to a USB storage device. The saved setups, waveforms can be
recalled later. The oscilloscope provides an USB Host interface on the front panel to
connect an USB device for external storage.
The contents of this chapter
Save Type
Internal Save and Recall
External Save and Recall
Disk Management
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Save Type
The oscilloscope supports setups, waveforms, pictures and CSV files storage. The default
save type is setups.
1. Setups
It’s the default storage type of the oscilloscope. It saves the settings of the oscilloscope in
internal or external memory in “*.SET” format. At most 20 setting files (from No.1～No.20)
can be stored in internal memory. The stored settings can be recalled.
2. Reference
The oscilloscope saves the waveform data in external memory in “*.REF” format. The
data of the channel is you select channel. At recall, the data will be displayed on the
screen by REFA or REFB.
3. BMP
The oscilloscope saves the screen image in external memory in “*.bmp” format. You can
specify the file name and saving directory under the same directory using the same file
name. The recall of image is not supported.
4. JPG
The oscilloscope saves the screen image in external memory in “*.jpg” format. You can
specify the file name and saving directory under the same directory using the same file
name. The recall of image is not supported.
5. PNG
The oscilloscope saves the screen image in external memory in “*.png” format. You can
specify the file name and saving directory under the same directory using the same file
name. The recall of image is not supported.
6. Binary
The oscilloscope saves the waveform data in external memory in “*.BIN” format. The data
of all the channels turned on can be saved in the same file. The recall of binary is not
supported.
7. CSV
The oscilloscope saves the waveform data in external memory in “*.CSV” format. The
stored files contain the waveform data of the displayed analog channels and the main
setting information of the oscilloscope. The recall of CSV file is not supported.
Set the save type to
CSV
, and set the
Para Save
option to
On
or
Off
to turn on or of the
parameters storage function.
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8. Matlab
The oscilloscope saves the waveform data in external memory in “*.DAT” format. The data
of all the channels turned on can be saved in the same file. The recall of Matlab file is not
supported.
9. To Default Key
The oscilloscope saves the factory config and user set config. Then you can select the
default function is the factory config or user set config
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Note: if need to delete a setup file in the memory, please save a new setup to the same
location to overwrite it.
Internal Save and Recall
Internal save and recall support Setups in
Save/Recall
. In the following part, the save and
recall method and procedures are introduced.
Save the specified oscilloscope setting in internal memory.
1. Connect the signal to the oscilloscope and obtain stable display.
2. Press
Save/Recall
button on the front panel to enter the SAVE/RECALL function
menu.
3. Press
Save
softkey to enter the SAVE function menu.
4. Press the
Type
softkey and then turn the
Universal Knob
to select
Setups
; and
then press the knob to confirm.
5. Press the
Save To
softkey to select
Internal
to save the current setup of the
oscilloscope to the internal memory.
6. Press the
Setup
softkey button; and then turn the
Universal Knob
to select the
location to save. The internal memory can save as many as 20 setup files, from
No.1
～No.20.
7. Press the
Press To Save
softkey to save the current setup to the appointed
location. After a few seconds, it will pop-up the message “
Saved to internal file
NO.1!
”
Load the specified type of file in internal memory.
If want to recall the setup after having finished the steps above, please do the
following steps:
1. Press
Recall
softkey enter the RECALLING function menu.
2. Press
Type
softkey and then turn the
Universal Knob
to select Setups; and then
press the knob to confirm.
3. Press the
Recall from
softkey to select Internal.
4. Press
Setup
softkey button; and then turn the
Universal Knob
to select the
location to recall. The internal memory can recall as many as 20 setup files, from
No.1
～No.20.
5. Press the
Press To Recall
softkey to recall the current setup form the appointed
location. After a few seconds, it will pop-up the message “
Recalled file
successfully!
”
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External save and recall
Before using external storage and recall, make sure that the USB flash device is
connected correctly. External storage supports all the types of files in save
,
but in recall,
Picture
and
CSV
are not supported.
Save the specified type of file in the external USB flash device.
1. Press the
Save/Recall
button on the front panel to enter the SAVE/RECALL
function menu.
2. Press the
Save
softkey to enter the SAVE menu.
3. Press the
Type
softkey to select
Setup
and then press the knob to confirm.
4. Press the
Save to
softkey to select External.
5. Press the
Press To Save
softkey to enter the SAVE/RECALL file system.
Figure 96 SAVE/RECALL File System
6. Use the
Universal Knob
to select the desired location. File can be stored under
the root directory or in a certain folder under the root directory of the USB storage
device.
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Figure 97 Select Save Location
7. After the save position is selected, press the
New
softkey
to turn on the interface
as shown in the figure below. Refer to the descriptions in “
To Create a new file or
fold
”
to create a new file name.
Figure 98 File Name Dialogue
8. Press the
Press To Save
softkey to save the current setup to the external USB
storage device.
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Load the specified type of file in the external USB storage device.
1. Press the
Save/Recall
button on the front panel to enter the SAVE/RECALL
function menu.
2. Press the
Recall
softkey to enter the RECALL menu.
3. Press the
Type
softkey to select
Setup
or
Waveform
.
4. Press the
Recall from
softkey to select External.
5. Press the
Press To Recall
softkey to enter the SAVE/RECALL file system.
6. Turn the
Universal Knob
to select the file to be recalled, press the
Press To
Recall
softkey to recall the waveform or setup.
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Disk Management
Disk management aim at the save and recall operations after the oscilloscope is
connected with a USB storage device. Before using external disk, make sure that the USB
storage device is connected correctly.
Execute the following operations through the disk management menu:
Create a New File or Folder
Delete a File or Folder
Rename a File or Folder
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Create a New File or Folder
This operation is only valid in external storage. The oscilloscope supports English input
method. The file name or folder name can contain letters, numbers, underscores and
spaces. Let’s use an example to introduce how to create a file or folder.
Example: create a file or folder named “SDS105X”
1. Press the
Save/Recall
button on the front to enter the SAVE/RECALL function menu.
2. Press the
Save
softkey, and then turn the
Universal Knob
to select one of the type (if
select
Setups
, please set the
Save To
option to
External
).
3. Press the
Press to Save
softkey to enter the SAVE/RECAL file system.
4. Press the
New
softkey to open the interface shown as the picture below. It divides
into two parts: name input area and keyboard area.
Figure 99 Input Keyboard
5. To delete the name in the name input area, press the
Backspace
softkey
continuously to delete the character one by one.
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Delete a File or Folder
This operation is only valid in external storage.
1. Press the
Save/Recall
button on the front to enter the SAVE/RECALL function menu.
2. Press the
Save
softkey, and then turn the
Universal Knob
to select one of the type (if
select Setups, please set the
Save To
option to
External
).
3. Press the
Press to Save
or
Press to Recall
softkey to enter the SAVE/RECAL file
system.
4. Turn the
Universal Knob
to select the file or folder to be deleted, and then press the
Delete
softkey. Then the file or folder will be deleted.
Rename a File or Folder
This operation is only valid with external storage (U disk storage), and only files of the
corresponding type format can be renamed.
1. Press the
Save/Recall
button on the front to enter the SAVE/RECALL function menu.
2. Press the
Save
softkey, and then turn the
Universal Knob
to select one of the type (if
select Setups, please set the
Save To
option to
External
).
3. Press the
Press To Save
or
Press To Recall
softkey to enter the SAVE/RECAL file
system.
4. Turn the
Universal Knob
to select the file or folder to be rename, and then press the
Rename
softkey. For details, see the instructions in "Create a New File or Folder."
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Digital Channels(Option)
This chapter describes how to use the digital channels of a Mixed-Single Oscilloscope
(MSO).
The digital channels are enabled on SDS1000X-E series oscilloscopes (only 4 channels
scope) that have installed the MSO activation license. As an external module, SLA1016 is
independent of the host, and has its own system, so it needs to be upgraded if necessary.
This chapter contains the following items:
Connect the Digital Probes
Acquire Digital Waveform
Digital Channels Height
Digital Channels Position
Single Digital Channel
All Digital Channels
Logic Threshold
Digital Bus
Deskew
System Setting
Remove Device
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Note:
There are two indicators on the side of the SLA1016, one is red (Power), another
is green (Ready)
The red indicator: If SLA1016’s power is normal, this indicator turns on, or
else it blinks or turns off.
The green indicator: When the SLA1016 is connect to the oscilloscope, this
indicator turns on for seconds then turns off, and then blinks, and finally keeps
the light on. When data is transferred between the SLA1016 and the
oscilloscope, the indicator blinks.
Connect the Digital Probes
1. If necessary, turn off the power supply to the device-under-test.
Turning off the power to the device-under-test prevents damage that might occur
if you accidentally short lines together while connecting probes. You can leave
the oscilloscope powered on because no voltage appears at the probes.
2. Connect one of the digital probe cable ports to the digital channels connector on the
front panel of the SDS1000X-E, and the other one to the digital channels connector of
the digital probe.
The digital probe cable is keyed so you can connect it only one way. You do not
need to power-off the oscilloscope.
3. Connect a fly line to one of the digital probe ground pins, connect a grabber to the fly
line, and then connect the grabber to a ground trace/pin from the device-under-test.
The ground lead improves signal fidelity to the oscilloscope, ensuring accurate
measurements,
4. Connect a fly line to one of the digital probe digital channel pins; connect a grabber to
the fly line, and then connect the grabber to a node in the circuit you want to test.
5. Repeat step 4 until you have connected all points of interest.
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Acquire Digital Waveform
Press the
Digital
button on the front panel to open the digital channels and start acquiring
digital channel waveforms.
For digital channels, each time the oscilloscope takes a sample it compares the input
voltage to the logic threshold. If the voltage is above the threshold, the oscilloscope stores
a 1 in the sample memory; otherwise, it stores a 0.
Digital Channels Height
1. Press the
Digital
button on the front panel to open the DIGITAL function menu.
Figure 100 Digital Function Menu
2. Press the
Channel High
softkey to select
Low, Middle, High
display type.
Figure 101 Middle Display Type
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Figure 102 High Display Type
The display type control lets you spread out or compress the digital traces vertically on the
display for more convenient viewing.
Digital Channels Position
1. Press the
Digital
button on the front panel to open the DIGITAL function menu and
display the digital channel waveforms.
2. Press the
Control
softkey select the Active then turn the
Universal Knob
to select the
channel that you wish to reposition. The selected waveform is highlighted in red.
3. Press the
Control
softkey select the Position then turn the
Universal Knob
to move
the selected channel to any position.
Single Digital Channel
1. Press the
Digital
button on the front panel to open the DIGITAL function menu.
2. Press the
Channel Control
softkey, then turn the
Universal Knob
to select the desired
channel such as
Dx
and push down the knob to confirm.
3. Press the
Dx
softkey to select
On
or
Off
to switch the selected channel on or off.
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All Digital Channels
1. Press the
Digital
button on the front panel to open the DIGITAL function menu.
2. Press the
Channel Group
softkey to select
On
or
Off
to switch all digital channels
which in this group on or off.
Also, under the DIGITAL function menu, press the
Digital
button on the front panel to
switch all digital channels off.
Logic Threshold
1. Press the
Digital
button on the front panel to open the DIGITAL function menu.
2. Press the
Threshold
softkey to enter the THRESHOLDS menu.
3. Press the
D0~D7
or
D8~D15
softkey, then turn the
Universal Knob
to select a logic
family preset or select Custom to define your own threshold.
Figure 103 THRESHOLDS Function Menu
Logic Family
Threshold Voltage
TTL
1.5V
CMOS
1.65V
LVCMOS3.3
1.65V
LVCMOS2.5
1.25V
Custom
Variable from -3V to +3V
The threshold you set applies to all channels.
Values greater than the set threshold are high (1) and values less than the set
threshold are low (0).
If the
D0~D7
or
D8~D15
softkey is set to
Custom
, press the
Custom
softkey, then
turn the
Universal Knob
to select the desired value and push down the knob to
confirm.
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Digital Bus
Digital channels may be grouped and displayed as a bus, with each value displayed at the
bottom of the display in hex or binary. You can create up two buses.
To configure and display each bus, do the following steps:
1. Press the
Digital
button on the front panel to open the DIGITAL function menu and
display the digital channel waveforms.
2. Press the
Digital Bus
softkey to enter the DIGITALBUS function menu.
Figure 104 DIGITALBUS Function Menu
3. Press the
Bus Select
softkey to select
Bus1
or
Bus 2
.
4. Press the
Display
softkey to select
On
to display the bus at the bottom of the display.
Under the DIGITAL function menu, press the
Cannel Control
softkey, turn the
Universal Knob
to select such as
DX
, and then press the
Dx
softkey to select
On
or
Off
to set the channel to be included or excluded in the bus.
Under the DIGITAL function menu, press the
Channel Group
softkey to select
On
or
Off
to include or exclude all digital channels in this group.
Under the DIGITAL function menu, a status indicator is displayed in the status
line at the bottom of the display. Light blue shows the digital channel is included
in the bus while black shows it is excluded in the bus.
Under the DIGITAL function menu, press the
System Display
softkey to select
Binary
or
Hex
to display the bus values.
The Sampling rate of digital channels is displayed at the right of the display.
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Figure 105 Digital Bus
Deskew
1. Press the
Digital
button on the front panel to open the DIGITAL function menu and
display the digital channel waveforms.
2. Press the
Deskew
softkey, and
then turn the
Universal Knob
to select
to change
deskew.
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System Setting
System Status
Press
Digital
→
NextPage2/2
→
System
,then select the System Status option to view the
digital system information , including software version, hardware version, and serial
number. After finished, press the
return
soft key to quit the interface of system information.
Figure 106 Digital System Information Interface
Update
The software version file of the Digital can be updated directly via U-disk. Follow the steps
below:
1. Insert U-disk with firmware update file (*.ads) to USB host interface on the front panel
of the oscilloscope. Then a message “USB Flash Drive detected!” will be displayed.
2. Press
Digital
→
NextPage2/2
→
System
→
Update
3. Expand the U disk directory, Select the firmware file (*.ads), then press the Press to
update, an upgrade progress bar will be display on the interface.
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Note：Don't cut off the power during the Digital device is being updated！
Figure 107 Digital Update Interface
4. After the updating is finished, the Digital device will automatically disconnected and
display a message “
Update completed, please reconnect Digital device!
”
Remove Device
Press
Digital
→
NextPage2/2
→
Remove Device
And the oscilloscope interface display
"Digital device removed!", the device can be pulled.
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System Setting
This function module supports the oscilloscope’s system-related function, such as system
status, language, sound and some other advanced setting, such as do self cal, update
and remote interface configure.
The contents of this chapter:
View System Status
Do Self Cal
Quick-Cal
Sound
Language
Pass/Fail Test
Arbitrary Waveform Generator(Option)
IO Set
Web Server
Update Firmware and configuration
Do self-Test
Screen Saver
Reference Position
Power On Line
Option Management
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View System Status
Do the following steps to view the system status:
1. Press the
Utility
button on the front to enter the UTILITY function menu.
2. Press the
System Status
softkey to view the system status of the oscilloscope. The
system status includes the information below:
Startup Times:
record the boot-strap times of the oscilloscope.
Software Version:
list the current software version of the oscilloscope.
Uboot-OS Version:
list the current Uboot and OS version of the oscilloscope
FPGA Version:
list the current fpga version of the oscilloscope.
Hardware Version:
list the current hardware version of the oscilloscope.
Product Type:
display the product type of the oscilloscope.
Serial NO.:
list the serial number of the oscilloscope.
Figure 108 System Status
3. Press the
Single
button on the front panel to exit.
Do Self Cal
The self-calibration program can quickly make the oscilloscope reach the best working
state to get the most precise measurement values. You can perform self-calibration at any
time especially when the change of the environment temperature is up to or more than
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5 ℃. Make sure that the oscilloscope has been warmed up or operated for more than 30
minutes before the self-calibration.
Do the following steps to do self-calibration:
1. Disconnect all the input channels.
2. Press the
Utility
button on the front panel，and then press the
Do Self Cal
softkey, and
the oscilloscope will pop-out the message box shown as below:
Figure 109 Do Self Cal
3. Press the Single button on the front panel to perform the self-calibration program.
During the calibration, most of the keys are disabled.
4. When the self-calibration program is finished, it will pop-out the message “
press
Run/Stop key to exi
t”. Press the
Run/Stop
button on the front panel to exit the
calibration interface
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Quick-Cal
Quick calibration can correct the measurement deviation caused by temperature, so that
you can get more accurate measurements
If the ambient temperature of your current operating oscilloscope is unstable, press
Utility
→
Quick-Cal
softkey to select
On
to enable quick calibration.
Sound
When the sound is enabled, you can hear the sound of the beeper when you press a
function key or a menu softkey or when the prompt message pops up.
Press the
Utility
button on the front panel to enter the UTILITY function menu; then press
Sound
softkey to select or to turn on or off the sound.
Language
The oscilloscope supports multiple language menu, Chinese/English help and prompt
messages.
1. Press
Utility
button on the front panel to enter the UTILITY Function menu.
2. Press the
Language
softkey; and then turn the
Universal Knob
to select the desired
language. Then push down the knob to select the language.
The languages that currently available are Simplified Chinese, Traditional Chinese,
English, French, German, Spanish, Russian, Italian, and Portuguese.
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Pass/Fail Test
One way to verify a waveform's compliance to a particular set of parameters is to use
pass/fail testing. A pass/fail defines a region of the oscilloscope's display in which the
waveform must remain in order to comply with chosen parameters. Compliance to the
mask is verified point- by- point across the display.
The test results can be displayed on the screen as well as be declared through the system
sound or the pulse signal output from the
[TRIG OUT]
connector at the rear panel.
Pass/Fail test operates on displayed analog channels; it does not operate on channels
that are not displayed.
Figure 110 Pass/Fail Test
Set and Perform Pass/Fail Test
Do the following steps to set and perform pass/fail test:
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
3. Press the
Pass/Fail
softkey to enter the PASS/FAIL function menu.
4. Press the
Enable Test
softkey to select
On
to enable the pass/ fail test.
5. Press the
Source
softkey to select the desired channel.
6. Press the
Mask Setting
softkey to enter the MASK function menu.
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7. Press the
X Mask
or
Y Mask
softkey; and then turn the
Universal Knob to
select the
desired value. The range is from 0.02div to 4div.
8. Press the
Create Mask
button to create the mask. Whenever the
Create Mask
softkey
is pressed the old mask is erased and a new mask is created.
9. Press the
UP
softkey to return to the PASS/FAIL function menu.
10. Press the
Msg Display
to select
On
or
Off
to turn on or off the message display. When
On
is selected, the test result will be displayed in the upper-right message box of the
screen.
F:
the frame number of the channel waveform that fails to match the mask.
P:
the frame number of the channel waveform that matches the mask.
T:
the frame number of the channel waveform that have been acquired. It is the
total of
Pass
and
Fai
l.
11. Press
the Next Page
softkey to go to the second page of the PASS/FAIL function
menu.
12. Press the
Stop On Fail
softkey to select
On
or
Off
to turn on or off the function.
On:
when failed waveforms are detected, the oscilloscope will stop the test and
enter the STOP state. At this point, the results of the test remain the same on the
screen (if display is turned on) and only one pulse is output from the
[TRIG OUT]
connector (if enabled) at the rear panel.
Off:
the oscilloscope will continue with the test even though failed waveforms are
detected. The test results on the screen will update continuously and a pulse will
be output from the
[Trigger Out]
connector at the rear panel each time a failed
waveform is detected.
13. Press the
Output
softkey to select turn on or off the sound.
: When the failed waveforms are detected, the beeper sounds.
: The beeper will not sound even if the failed waveforms are detected,
14. Press the Next Page softkey to return to the first page of the PASS/FAIL function
menu.
15. Press the
Operate
softkey to perform the test.
: Current state is stop; press the softkey to start the pass/fail test.
: Current state is running; press the softkey to stop the pass/fail test.
Save and Recall Test Mask
Users can save the current test mask to the internal Flash memory or external USB flash
device. The file format of the test mask file is “*.msk”.
Save Test Mask to Internal Memory
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
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Note
: the internal memory can only save one test mask; save a new test mask will
cover the old one.
2. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
3. Press the
Pass/Fail
softkey to enter the PASS/FAIL function menu.
4. Press the
Enable Test
softkey to select
On
to enable the pass/ fail test.
5. Press the
Source
softkey to select the desired channel.
6. Press the
Mask Setting
softkey to enter the MASK function menu.
7. Press the
X Mask
or
Y Mask
softkey; and then turn the
Universal Knob to
select the
desired value.
8. Press the
Location
softkey to select
Internal
9. Press the
Save
softkey to save the mask to internal memory.
10. A few second later, it will pop-out the message “
Save to file
Pass/Fail_mask_data.msk!
”
Recall Test Mask from Internal Memory
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
3. Press the
Pass/Fail
softkey to enter the PASS/FAIL function menu.
4. Press the
Enable Test
softkey to select
On
to enable the pass/ fail test.
5. Press the
Mask Setting
softkey to enter the MASK function menu.
6. Press the
Location
softkey to select
Internal.
7. Press the
Load
softkey to recall the saved interval memory.
8. A few second later, it will pop-out the message “
Recalled the Successfully!
” and the
saved mask will be displayed on the screen.
Save Test Mask to External Memory
Do the following steps to save the test mask to external memory:
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
3. Press the
Pass/Fail
softkey to enter the PASS/FAIL function menu.
4. Press the
Enable Test
softkey to select
On
to enable the pass/ fail test.
5. Press the
Source
softkey to select the desired channel.
6. Press the
Mask Setting
softkey to enter the MASK function menu.
7. Press the
X Mask
or
Y Mask
softkey; and then turn the
Universal Knob to
select the
desired value.
8. Press the
Location
softkey to select
External
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9. Press the
Save
softkey to enter the file SAVE/RECALL system.
10. Save the test mask file refer to the “
Save to file XXX.msk
” chapter.
Recall Test Mask from External Memory
Do the following steps to save the test mask f external memory:
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
3. Press the
Pass/Fail
softkey to enter the PASS/FAIL function menu.
4. Press the
Enable Test
softkey to select
On
to enable the pass/ fail test.
5. Press the
Mask Setting
softkey to enter the MASK function menu.
6. Press the
Location
softkey to select
External
.
7. Press the
Load
softkey to enter the file SAVE/RECALL system.
8. Select the desired test mask file with a RGU postfix using the
Universal Knob
; and
then press the
Load
softkey.
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Arbitrary Waveform Generator(Option)
SDS1000X-E (only 4 channels scope) supports an external Arbitrary Waveform Generator
(AWG), which can easily and quickly provide multiple input signals to users.
The AWG provides two kinds of waveforms: the standard waveform and the Arb. The Arb
single consists of two types: the system’s built-in waveforms and the stored waveforms.
Built-in waveforms are stored in the internal non-volatile memory. It is includes: Common,
Math, Engine, Window, Trigo. Users may also edit the arbitrary waveform by PC which
has installed the EasyWave, or import the waveform by U disk that had stored edited
waveform.
The contents of this chapter:
Output
Wave
Setting
System
Remove Device
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Output
Connect AWG with USB cable, and the oscilloscope interface indicates "AWG device
connection success", Press the
Utility
→
Next Page4/4
→
AWG
,to enter the function menu
interface of the AWG system as shown below, including: Output, Wave, Setting , System,
Remove Device.
Figure 111 AWG Menu Interface
Press
Output
softkey to open or close the AWG output .When the output is on, the upper
right corner of the oscilloscope interface will displays the corresponding waveform
frequency and amplitude information of AWG output wave.
Wave
To set standard waveform
Press the
Utility
→
Next Page4/4
→
AWG
→
Wave Type
, Rotate the
Universal Knob
to the
Sine wave. Then press the knob to select the interface shown as below:
Figure 112 Wave Type Interfac
The following table shows the waveform type and its corresponding characteristics.
According to the selected waveform, to set the waveform parameters through
Universal
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Knob
and the corresponding function software under the menu.
Wave
Type
Parameters
Frequency
Range
Amplitude
(High-Z)
Offset
(High-Z)
Sine
Frequency/Period/Amplitude/High-L
evel/Offset/Low-Level value.
1uHz~25MHz 4mV~6V ± 3.0V
Square
Frequency/Period/Amplitude/High-L
evel/Offset/Low-Level/Duty value.
1uHz~10MHz 4mV~6V ± 3.0V
Ramp
Frequency/Period/Amplitude/High-L
evel/Offset/Low-Level/Symmetry
value.
1uHz~300KH
z
4mV~6V ± 3.0V
pulse
Frequency/Period/Amplitude/High-L
evel/Offset/Low-Level/ Width/ Width
Fine value.
1uHz~10MHz 4mV~6V ± 3.0V
Noise
Stdev/ Mean value.
DC
Offset value.
± 3.0V
Arb
Frequency//Period/Amplitude/High-
Level/Offset/Low-Level value
To set Arb waveform
Press the
Utility
→
Next Page4/4
→
AWG
→
Wave Type
, then select the Arb, and it has two
types:
Stored Arb
Users can edit the Arb through the PC which has installed the EasyWave software .Send
the edited Arbot to the instrument through remote interface, or read from the U disk which
has stored the Arb. Choose
Wave Type
→
Arb
→
Arb Type
→
Stored
, enter the Stored Arb
interface and invoke the waveform in the external storage device.
Built-in Arb
Choose
Wave Type
→
Arb
→
Arb Type
→
Built-in
to enter the following interface,
Rotate the knob to move the cursor, press the knob to select to the desired waveform, and
then return back to Built-in waveform interface.
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Figure 113 Built-in Arb Interface
Setting
Figure 114 AWG Setting Interface
Output Load
Press
Utility
→
NextPage4/4
→
AWG
→
Setting
→
Output Load
to set High-Z or 50Ω.
Sync Output
Press
Utility
→
NextPage4/4
→
AWG
→
Setting
→
Sync Output,
the AWG provides Sync
output through the [Aux In/Out] connector on the rear panel. When the Sync Output is on,
the port can output a CMOS signal with the same frequency as basic waveforms (except
the Noise and DC), arbitrary waveforms, and modulated waveforms (except external
modulation).
OVP (Over Voltage Protection)
Press
Utility
→
NextPage4/4
→
AWG
→
Setting
→
OVP
to turn on or off the function. If the
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state is set to ON, overvoltage protection of AWG output port take effect once the
condition is meeting (the absolute value of input voltage is higher than 4V±0.5V). When
overvoltage protection occurs, a message will be displayed and the output is disabled.
Default
Press
Utility
→
NextPage4/4
→
AWG
→
Setting
→
Default
to recover the default values of
AWG (Sine, 1.000 KHz, 4.000Vpp, 0.0mVdc, High-Z, Sync output off, OVP On).
Zero Adjust
Press
Utility
→
NextPage4/4
→
AWG
→
Setting
→
Zero
Adjust
. The AWG can be calibrated
by using
Auto
mode or
Manual
mode. The adoption standard of AWG calibrated is: when
AWG outputs 0V DC signal, the corresponding channel at 1mv/div gear' mean value of
oscilloscope is rang in
±1mv.
Auto mode:
This mode can only be performed with the channel1 of oscilloscope.
Connect the output of AWG to the oscilloscope’channel1, press the Auto soft key,
then the AWG starts to automatic calibrate, and displays ”Zero Adjust Success!”.
Manual mode:
The AWG can be manually calibrated through any channel on the
oscilloscope.
Take channel 2 as an example:
a. Connect the output of AWG to the oscilloscope’ channel 2, open the channel 2,
and set DC coupling, open bandwidth limit, Probe is 1X.
b. Adjust the voltage of channel 2 channel to 1mv/div, and make the waveform
visible in the oscilloscope interface, press the
Measure
and measure the mean
value of channel 2.
c. Press the
Manua
l and rotate the knob to adjust the waveform, so that the mean
value of the observed CH2 will be in the range of ±1mv, and then press the
Save
,
the oscilloscope displays "Zero Adjust Success!".
Systems
System Status
Press
Utility
→
NextPage4/4
→
AWG
→
System
, then select the System Status option to view
the AWG’s system information, including software version, hardware version, and serial
number. After finished, press the
return
softkey to exit the system information page.
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Figure 115 AWG System Information Interface
Update
The software version file of the AWG can be updated directly via U-disk. Follow the steps
below:
1. Insert U-disk with firmware update file (*.ads) to USB host interface on the front panel
of the oscilloscope. Than a message “USB Flash Drive detected!” will be displayed.
2. Press Utility →NextPage4/4→ AWG →System →Update.
3. Expand the U disk directory, Select the firmware file (*.ads), then press the Press to
update, an upgrade progress bar will be display on the interface.
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Note：
Don't cut off the power during the AWG is being updated！
Figure 116 AWG Update Interface
4. After the updating is finished, the AWG will automatically disconnected and display a
message “
Update completed, please reconnect AWG device!
”
Remove Device
Press
Utility
→
NextPage4/4
→
AWG
→
Remove Device
, and the oscilloscope interface
display
"AWG device removed!
", the device can be pulled.
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IO Set
The oscilloscope provides abundant IO interfaces, including: USB Device, LAN and Aux
Output.
USB Device
Do the following steps to set the oscilloscope to communicate with PC via USB:
1. Install the USBTMC device driver on PC. Suggest you install NI Vista.
2. Connect the oscilloscope with PC using a standard USB cable
3. Press the
Utility
button on the front panel to enter the UTILITY function menu.
4. Press the
IO Set
softkey to enter the I/O SET function menu.
5. Press the
USB Device
softkey to select
USBTMC
.
6. Use EasyScopeX or NI Vista to communicate with the oscilloscope.
LAN
Do the following steps to set the oscilloscope to communicate with PC via LAN:
1. Connect the oscilloscope to your local area network using the network cable.
2. Press the
Utility
button on the front panel to enter the UTILITY function menu.
3. Press the
IO Set
softkey to enter the I/O SET function menu.
4. Press the
Net Interface
softkey; then; select LAN.
5. Press the
IP Set
softkey to enter the IP setting interface, see the picture below:
6. Press the DHCP softkey to turn on or turn off the DHCP.
On:
the DHCP server in the current network will assign the network parameters
(such as the IP address) for the oscilloscope.
Off:
you can set the IP address, subnet mask, gate way manually.
Turn the
Universal Knob
to select the desired value.
Push the
Universal Knob
to change item horizontally.
Press the
Save
softkey to save the current setting.
7. Use EasyScopeX or NI Vista to communicate with the oscilloscope.
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Figure 117 LAN Setting Interface
WLAN
Only 4 channels scope supports this function. Do the following steps to set the
oscilloscope to communicate with PC via WLAN:
1. Connect the oscilloscope USB Host to your wireless network adapter, and make sure
your local wireless network is normal.
2. Press the
Utility
button on the front panel to enter the UTILITY function menu.
3. Press the
IO Set
softkey to enter the I/O SET function menu.
4. Press the
Net Interface
softkey; then; select WLAN.
5. Press the
WiFi Set
softkey to enter the WiFi set interface.
6. Press the WiFi Operation softkey to turn on or turn off the WIFI set menu.
Off:
the WIFI set menu off
On:
you can set the SSID and PSK manually.
Manual Scan: press this softkey, the oscilloscope will search the network
automatically. Turn the
Universal Knob
to select a network; then; press
Universal
Knob
to confirm.
SSID: press this softkey, a dialogue box will pop up, enter your SSID then press
Comfirm
.
PSK: press this softkey, a dialogue box will pop up, enter your SSID then press
Comfirm
.
Connect: press this softkey to connect the wireless network.
7. Press
Connect
softkey when your SSID and PSK configuration finished.
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8. Return to the I/O SET menu. Press the
IP Set
softkey to finish the IP
configuration(see “To Set the LAN”)
9. Use EasyScopeX or NI Vista to communicate with the oscilloscope.
Figure 118 WIFI Setting Menu
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Web Server
SDS1000X-E (only 4 channels scope supports this function) provides the web server
function; you can access and control the oscilloscope using a web browser. Connect the
oscilloscope to your LAN (or WLAN), then type the oscilloscope's IP address in the web
browser. The oscilloscope's web interface is displayed. The default user name is “admin”,
and there is no password.
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
WebServer
softkey on the fourth page of utility function menu to enter the
WEBSERVER menu.
Figure 119 Web Server Interface
Password:
press this softkey to set a new password,
Reset:
press this softkey to erase the password.
Save
: Setting a new password or erasing the password, then press this softkey
to make the new configure became effective.
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Update Firmware and Configuration
The firmware and configuration can be updated directly via USB flash driver.
Do the following steps to update the firmware:
1. Insert the USB flash driver which with the firmware and the configure files inside into
the USB host interface on the front panel of the oscilloscope.
2. Press the
Utility
button on the front panel to enter the UTILITY function menu.
3. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
4. Press the
Next Page
softkey to go to the third page of the UTILITY function menu.
5. Press the
Update
softkey to enter the UPDATE function menu.
6. Press the
Firmware
softkey to open the file manager.
7. Turn the
Universal Knob
to select the update file which should be with an ADS postfix;
and then press the
Press to Update
softkey to start update the firmware. The process
needs about 7 minutes. And during the update, do not remove power to the
oscilloscope, otherwise the oscilloscope may be permanently damaged and may not
restart again.
8. After finish the update, the screen will pop-out the message “
Firmware
decompressed. Please restart and wait…
”.
9. Restart the oscilloscope to finish the firmware update.
Do the following steps to update the configuration:
1. Insert the USB flash driver which with the firmware and the configure files inside into
the USB host interface on the front panel of the oscilloscope.
2. Press the
Utility
button on the front panel to enter the UTILITY function menu.
3. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
4. Press the
Next Page
softkey to go to the third page of the UTILITY function menu.
5. Press the
Update
softkey to enter the UPDATE function menu.
6. Press the
Configure
softkey to open the file manager.
7. Turn the
Universal Knob
to select the update file (*.CFG file extension) and then
press the
Press to Update
softkey to start update the firmware. The process needs
about 30 seconds.
8. After finish the update, the screen will pop-out the message “
Firmware
decompressed. Please restart and wait
…”.
9. Restart the oscilloscope to finish the configuration update.
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Do Self-Test
Self-tests include screen test, keyboard test, and LED test. Self-tests used to test the
screen, buttons, knobs and LED lights whether works well.
Screen Test
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
3. Press the
Next Page
softkey to go to the third page of the UTILITY function menu.
4. Press the
Do Self Test
softkey to enter the SELFTEST function menu.
5. Press the
Screen Test
softkey to enter the screen test interface, as the picture shown
below, the screen display pure red.
Figure 120 Screen Test
6. Press the
Single
button on the front panel continually as it says in the picture above.
The screen displays green, blue and red again. It is easy to check chromatic
aberration, stain and scratch of the screen under the condition.
7. Press the
Run/Stop
button on the front panel to exit the screen test program.
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Keyboard Test
Keyboard test is used to test that if the keys or the knobs work well.
Do the following steps to do keyboard test:
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
3. Press the
Next Page
softkey to go to the third page of the UTILITY function menu.
4. Press the
Do Self Test
softkey to enter the SELFTEST function menu.
5. Press the
Keyboard Test
softkey to enter the keyboard test interface, as the picture
shown below.
Figure 121 Keyboard Test
6. To perform the knobs and the buttons test.
7. Knobs test: the default value is 0. Turn left to increase the value while turn right to
decrease; push the knob to set the value to 0. Test every knob randomly.
8. Keys test: the first time to press the key to light it up, and a second press to die out.
Test every button randomly.
9. Press the
Run/Stop
button 3 times to exit the keyboard test program.
LED Test
LED test is used to test that if the button lights work well.
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
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3. Press the
Next Page
softkey to go to the third page of the UTILITY function menu.
4. Press the
Do Self Test
softkey to enter the SELFTEST function menu.
5. Press the
LED Test
softkey to enter the keyboard test interface, as the picture shown
below.
Figure 122 LED Test
6. According to the prompting information displaying on the screen, press the
Single
button continually to light the button lights one by one. The first time to press the
Single
button, the
Run/Stop
button displays red, and the second press the
Run/Stop
button displays green. Then the other button lights will be lighted one by one. At last
all the lights will be lighted at the same time.
7. Press the
Run/Stop
button to exit the LED test program.
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Screen Saver
When the oscilloscope enters the idle state and holds for a certain period of time, the
screen saver program will be enabled.
Do the following steps to set the screen saver time:
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
Next Page
softkey to go to the second page of the UTILITY function menu.
3. Press the
Next Page
softkey to go to the third page of the UTILITY function menu.
4. Press the
Screen Saver
softkey; and then turn the
Universal Knob
to select the
desired screen saver time. The screen saver time can be set to
1min
,
5min
,
10min
,
30min
, and
1hour
. Also you can select
Off
to turn off the screen saver function
Figure 123 Screen Saver Interface
5. Press the any button on the front to exit the screen saver program.
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Reference Position
The reference position setting determines the physical point that the oscilloscope uses
during vertical and horizontal scale changes. In some situations, it is more convenient to
use a fixed position on the display.
Press the
Utility
button on the front panel and then press the
Reference Pos.
softkey to
enter the Reference POS menu
.
Press the
Vertical
softkey to select
Fixed Offset
or
Fixed Position
.
Fixed Position
: when the vertical gain is changed, the oscilloscope will keep the vertical
offset level indicator stationary.
Fixed offset
: when the vertical gain is changed, the oscilloscope will have the vertical
offset level indicator move with the actual voltage level.
Press the
Horizontal
softkey to select
Fixed Delay
or
Fixed Position
.
Fixed Position
: when the timebase is changed, the oscilloscope will keep the horizontal
offset indicator stationary.
Fixed Delay
: when the timebase is changed, the oscilloscope will have the horizontal
offset indicator move with the trigger point.
Power On Line
Press the
Utility
button on the front panel; then; press
Power On Line
softkey to select
Enable
or
Disable.
Enable:
when the oscilloscope is energized, the oscilloscope will start automatically
by itself.
Disable
: when the oscilloscope is energized; then; press the
power
key at the
lower-left corner of the front panel to start the oscilloscope.
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Option Management
The SDS1000X-E provides multiple options to fulfill your measurement requirements.
Please contact your
SIGLENT
sales representative or
SIGLENT
technical support to order
the corresponding options. You can view the options currently installed on the
oscilloscope or activate the newly purchased option license codes through this menu.
Do the following steps to install the option on the oscilloscope:
1. Press the
Utility
button on the front panel to enter the UTILITY function menu.
2. Press the
Next Page
softkey to go to the third page of the UTILITY function menu.
3. Press the
Options
softkey to enter the OPTION function menu.
Figure 124: OPTION Function Menu
4. Press the
Type
softkey; then turn the
Universal Knob
to select the module to be
installed and push down the knob to confirm.
5. Press the
Install
softkey to enter the LABEL function menu to input the license.
Figure 125 LABEL Function Menu
Turn the
Universal Knob
to select character
Push down the
Universal Knob
to confirm the characters
Press the
Press To Install
when license key input done,
Press the
Clean
softkey or the
Backspace
softkey to delete the incorrect character.
6. Press the
Information
softkey to view the option information.
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Figure 126 Option Information
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Bode Plot II
The bode plot application for the SDS1000X-E (only 4 channels scope supports this
function) controls an external arbitrary waveform generator(only Siglent’s arbitrary
waveform generator can be supported) to sweep a sine wave across a range of
frequencies while measuring the input to and output from a device under test (DUT). At
each frequency point, gain and phase are measured and displayed on the Bode plot.
Perform Bode Plot
The following steps briefly describe how to perform the Bode Plot:
1. Press the
Utility
button on the front panel to enter the UTILITY function menu, and
then press
the Next Page
softkey to enter the second page.
2. Press
Bode Plot II
softkey to enter the BODE PLOT II menu. At this time, only the
Default
and
Auto Setup
button which on the front panel are available.
Figure 127 BODE PLOT II Menu
3. Configure the parameters (see the section “Setting” for details).
4. Press the
Run
softkey to perform the test.
Setting
1. Press the
Config
softkey to enter the CONFIGURE menu. All the parameters in this
menu are used to configure the external AWG.
Figure 128 CONFIGURE Menu
1) Press the
Source
softkey to enter SOURCE menu.
Press the
Interface
softkey and turn the
Universal Knob
to select the
connection mode of AWG.
USB Connect the oscilloscope USB host to the external AWG’
s USB
Device via a USB cable.
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LAN
Connect the oscilloscope and the external AWG via LAN.
If LAN is selected, press the
Set IP
softkey, and set the IP of AWG in the
pop-up dialog box.
Press the
Connection
Test
softkey to check the connection.
2) Press the
Sweep Type
softkey to select Simple or Vari-level. Press the
Set
Vari-level
softkey to enter the VARI-LEVEL menu.
Figure 129 VARI-LEVEL Menu
Press the
Profile
softkey to select the profile (Profile A~ Profile D).
Press the
Nodes
softkey and turn the
Universal knob
to set the number of
nodes.
Press the
Edit Table
softkey continuously to select the cell and turn the
Universal knob
to select the line. When the cell is selected, set the value by
using the
universal knob
or virtual keyboard. "Freq" indicates the scanning
frequency value while "Ampl" indicates the scanning amplitude.
3) Press the
Set Sweep
softkey to enter SET SWEEP menu.
Press the
Mode
softkey to select the sweep mode.
Linear: it is necessary to set the center frequency and span frequency
Decade: it is necessary to set the start frequency and stop frequency.
Press the
Points
softkey to set the sweep resolution.
4) Press the
Set Stimulus
softkey to enter STIMULUS menu.
Press the
Amplitude
softkey (
Offset
softkey) and turn the
Universal Knob
to
set the amplitude, or press the
Universal Knob
directly to enter the
parameter value in the pop-up virtual keyboard.
Press the
Unit
softkey and turn the
Universal Knob
to select the unit type. It
contains 6 types of Vpp, Vrms, dBV, dBu, dBm, Arbitrary dB. When the unit
type is dB, it is necessary to set the reference level.
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Press the
Load
soft key to switch the load between 50Ω, 75Ω, 600Ω, Hi-Z. It
also can turn the
Universal Knob
to set the load value.
5) Press the
Set Channel
softkey to enter the SET CHANNEL menu.
Press the
DUT Input
softkey to select the corresponding input signal
channel. Press the
DUT Output 1
soft key to select the corresponding output
signal channel, and support up to 3 channels as the signal output.
Press the
Channel Gain
softkey continuously to select the gain type as
“Hold” or “Auto”.
2. Press the
Display
soft key to enter the DISPLAY menu. The display menu displays
the configuration related to bode plot interface.
Figure 130 DISPLAY Menu
1) Press the
Amplitude
softkey to enter the AMPLITUDE menu.
Press the
Scale
softkey and turn the
Universal Knob
to set the amplitude
display scale.
Press the
Ref Level
softkey and turn the
Universal knob
to set the amplitude
display reference level, or press the
Universal knob
directly to enter the
value in the pop-up virtual keyboard.
Press the
Mode
softkey to set the display mode of the amplitude.
Vout/Vin: display the ratio of the DUT output to the DUT input. Press the
Axis Type
softkey to set the vertical axis to logarithmic or linear.
Vout: display the DUT output voltage value directly. Press the
unit
softkey to
set the unit type to Vpp, Vrms, dBV, dBu, dBm, or Arbitrary dB.
Press the
Auto Set
softkey to automatically adjust the vertical direction
parameters based on the Bode plot data.
2) Press the
Phase
softkey to enter the PHASE menu.
Press the
Scale
(
Ref Level
) softkey and turn the
Universal Knob
to set the
phase display scale (phase display reference level), or press the
Universal
Knob
directly to enter the value in the pop-up virtual keyboard.
Press the
Unit
softkey continuously to switch the phase unit to Deg or Rad.
Press the
Auto Set
softkey to automatically adjust the vertical direction
parameters based on the Bode plot data.
3) Press the
Auto Set
softkey to automatically adjust the vertical direction
parameters based on the Bode plot data.
4) Press the
Cursors
soft key to enter the CURSORS menu. See the chapter
"Cursor" for details.
3. Press the
Data
softkey to enter the DATA menu. The data menu displays the
configurations of bode plot measurement results.
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Figure 131 DATA Menu
1) Press the
List
softkey repeatedly to turn the Bode plot data list on or off. After
turning on the list, press the
Scroll
soft key and turn the
Universal Knob
to select
the frequency point, as shown below.
Figure 132 Bode Plot List On
2) Press
Save
softkey (
Recall
softkey) to enable the bode plot save (recall) function.
See the chapter “Save and Recall” for details.
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Example
The following are examples to familiarize you with bode plot.
Simple Sweep Operation
Vari-level Sweep Operation
Simple Sweep Operation
1. Press
Utility
button on the front panel to enter the UTILITY function menu, and then
press the
Next Page
soft key to enter the second page. Press
Bode Plot Ⅱ
to enter
the BODE PLOT function menu. Press
Config
to enter Configure menu.
2. Press
Source
to enter Source menu to select the waveform generator. In this
example, press
Interface
to select “
USB
”, and then press
Connection Test
to verify
setting. Then return to the Configure menu.
Figure 133 Bode Plot Interface Connection
3. Press
Sweep Mode
to select “
Simple
”.
Figure 134 Sweep Configure Menu
4. Press
Set Sweep
to enter Set Sweep menu. In this example, press
Mode
to select
“
Decade
” to sweep frequency logarithmically. Press
Start
and use the
Universal
Knob
to set the start frequency to 100 Hz. Then set stop frequency to 1 MHz. Press
Points/dec
and use the
Universal Knob
to set the frequency point to 20 points per
decade. Then return to the Configure menu.
Figure 135 Set Sweep Parameters Menu
5. Press
Set Stimulus
to enter Set Stimulus menu. Press
Amplitude
and use the
Universal Knob
to set the signal amplitude to 2 V. All the other options remain their
default setting. Then return to the Configure menu.
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Figure 136 Set Stimulus Menu
6. Press
Set Channel
to enter Set Channel menu. In this example, set
DUT Input
to
“
CH1
”, and
DUT Output 1
to “
CH2
”. Other DUT Output remains “
None
”. Since we
want to maximize measurement dynamic range, set Channel Gain to “
Auto
”. Then
return to the Configure menu.
Figure 137 Set Channel Menu
7. Configuration was done. Return to root menu and press
Run
, and wait for the sweep
to complete.
Figure 138 Bode Plot Sweep Curve
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Vari-level Sweep Operation
1. Press
Utility
button on the front panel to enter the UTILITY function menu, and then
press the
Next Page
soft key to enter the second page. Press
Bode Plot Ⅱ
to enter
the BODE PLOT function menu. Press
Config
to enter Configure menu.
2. Press
Source
to enter Source menu to select the waveform generator. In this
example, press
Interface
to select “
USB
”, and then press
Connection Test
to verify
setting. Then return to the Configure menu.
Figure 139 Bode Plot Interface Connection
3. Press
Sweep Mode
to select “
Vari-level
”.
Figure 140 Vari-level Configure Menu
4. Press
Set Vari-level
to enter Vari-level editor. On the left side of the editor is a
spreadsheet which is used to specify the relationship between frequency and
amplitude. On the right side is an automatically generated stimulus voltage vs.
frequency plot.
5. The operation principle of Vari-level is simple. User specifies a series of joint, which is
defined by a given frequency and corresponding amplitude. In between two adjacent
joints, the frequency points and their corresponding amplitude are calculated
automatically by linear interpolation. The frequency of the joints is sequential, so the
frequency of the posterior joint is always higher than the frequency of the anterior joint.
And always, the first and the last joint defines the start and stop frequency.
6. Press
Profile
and use the
Universal Knob
to select “
Profile A
”. As you can see, up to
4 profiles can be saved.
7. In this example, I will demonstrate how to specify a Vari-level profile widely used in
testing power supply loop response. The profile is a 4-joint- polyline with large
stimulus amplitude in low frequency and small amplitude in high frequency, and
gradual amplitude in intermediate frequency.
8. Press
Joints
and use the
Universal Knob
to set the number of joint to 4.
9. Press
Edit Table
to activate the spreadsheet editor. When the spreadsheet editor is
activated, press
Edit Table
will cycle the cursor between frequency, amplitude and
the entire column. Then use the
Universal Knob
to adjust the frequency, the
amplitude, or to select the column to be edited. Press the
Universal Knob
will activate
the visual keypad for more precise input.
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Figure 141 Set Vari-level Parameters Menu
10. The
Set Sweep
and
Set Stimulus
in Vari-level editor are similar to that in the Simple
sweep mode, but they are independently configured and do not affect each other.
These options in Vari-level mode do not have frequency and amplitude input because
they are specified in the spreadsheet. Press
Set Sweep
and then set Mode to
“
Decade
”, and set Points/dec to 20. The
Set Stimulus
remains default setting.
Figure 142 Set Sweep Parameters Menu
11. Return to Configure menu and press
Set Channel
. Set
DUT Input
to “
CH1
” and
DUT
Output 1
to “
CH2
”, and
Channel Gain
to “
Auto
”.
12. Configuration was done. Return to the root menu and press
Run
and wait for the
sweep to complete.
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Figure 143 Bode Plot Sweep Curve
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Search
SDS1000X-E (only 4 channels scope supports this function）provides search function.
This function can search for the events that users specify in the acquired data, the results
are displayed with white triangle symbol. In the YT mode or the Roll mode with the
acquisition in stop, the maximum search events number is 700.In the Roll mode with
acquisition in run, the maximum search events number is unlimited. The waveform can be
zoomed when search function is enabled.
Setting
1. Press the
Search
button on the front panel to enter the SEARCH function menu.
2. Press the
Mode
softkey and then use the
Universal Knob
to select the desired search
type. SDS1000X-E provides five search types: Edge, Slope, Pulse, Interval, Runt.
Figure 144 Search Menu
3. Press the
Setting
softkey to enter the SETTING function menu. The setting menu is
different according to every search type. The details show as the following table.
Search Mode
Setting Menu Description
Edge
Slope includes Rising, Falling, Either.
Slope
Slope includes Rising, Falling
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Limit Range includes four types: <=, >=, [--,--] and --][-- , Users can
select the desired type and then input the time value.
Pulse
Polarity includes Positive and Negative
Limit Range includes four types: <=, >=, [--,--] and --][-- , Users can
select the desired type and then input the time value.
Interval
Slope includes Rising, Falling
Limit Range includes four types: <=, >=, [--,--] and --][-- , Users can
select the desired type and then input the time value.
Runt
Polarity includes Positive and Negative
Limit Range includes four types: <=, >=, [--,--] and --][-- , Users can
select the desired type and then input the time value
4. Press
Copy
softkey to enter COPY function menu.
Copy from Trig
: copy the trigger setup for the selected search type to the search
setup.
Copy to Trig
: copy the setup for the selected search type to the same trigger type
Cancel Copy
: undo a copy.
5. Press
Thresholds
softkey to enter THRESHOLDS function menu, then, to set channel
search thresholds.
Results
Figure 145 Search in Run
When the acquisition is started, “EVENT NUM: 7” means total events number.
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Figure 146 Search in Stop
When the acquisition is stop, “EVENT NUM: 4/7” means current event number/total
events number, the current event is the closest event to the middle of the screen.
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Navigate
SDS1000X-E（only 4 channels scope supports this function）provides three navigate type:
Search Event, Time, History Frame.
Time Navigate
1. Press the
Navigate
on the front panel to enter the NAVIGATE function menu.
2. Press the
Type
softkey In the NAVIGATE function menu, then select
Time
.
3. There are two ways to navigate time.
a. Press the
Time
softkey, then, turn the
Universal Knob
to select the desired value
or press the
Universal Knob
then enter the value by the pop keyboard.
b. Press the
navigation
keys ◀■▶ on the front panel to play backward, stop, or
play forward in time. You can press the ◀ or ▶ keys multiple times to speed up
the playback. There are three speed levels: Low Speed, Medium Speed, High
Speed.
History Frame Navigate
When the History function is enabled, you can use the navigation controls to play through
the acquired frames.
1. Press the
Navigate
on the front panel to enter the NAVIGATE function menu.
2. Press the
Type
in the Navigate Menu, then select
History Frame
.
3. Press the
Frame Num
softekey, then there are two ways to navigate history frames.
a. Turn the
Universal Knob
to select the desired number or press the
Universal
Knob
then enter the number by the pop keyboard.
b. Press the navigation keys ◀■▶ on the front panel to play backward, stop, or
play forward.
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Search Event Navigate
When the Search function is enabled and acquisitions are stopped, you can use the
navigation controls to go to found search events
1. Press the
Navigate
on the front panel to enter the NAVIGATE function menu.
2. Press the
Type
in the NAVIGATE function menu, then select
Search Event
.
3. There are two ways to navigate search events.
a. Press
Event Num
softekey, then, turn the
Universal Knob
to select the desired
value or press the
Universal Knob
then enter the value by the pop keyboard.
b. Press the
Navigate
keys ◀ ▶ on the front panel to go to the previous or next
search event.
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History
The history function can record the waveforms of the input channels before press the
Run/Stop
button. In run state, the oscilloscope records input waveform continually; when
fill up the memory (reach the maximal frame), the new frames will cover the old frames
and keep the latest frames.
To use the History function, the HORIZONTAL
Format
must be set to
YT
.
Do the following steps to record and replay waveform:
1. Press the
History
button on the front panel to enable the History function.
When in run state, the waveform will enter the stop state.
When in stop state, and then enable the History function, the oscilloscope will
keep the stop state.
Press
History
or
Stop
button to turn off History function.
2. Press the
List
softkey to turn on or off the list display. The list records the timestamp
of every frame. It is accurate to microseconds.
Figure 147 History
3. Press the
Frame
softkey; then turn the
Universal Knob
to select the frame to display.
The format of the
Frame
is A/B; A is the frames number that displaying on the
screen and B is the maximal frame number you can set.
The maximal frame number is determined by the current sampling point (
Curr
value) and sampling rate.
When press the
Run/Stop
button or enable the history function, you may not get
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the maximal frames, because the memory is not filled. So if you want to get the
maximal frames, please wait for enough time for acquisition.
The table shows the maximal frame according to the sampling rate and current
sampling point’s number.
Sample Rate
Curr (pts)
Max. Frame
Sample Rate
Curr (pts)
Max. Frame
1GSa/s
≦280
80000
500MSa/s
35K
783
700
57227
70K
391
1.4K
33528
140K
195
2.8K
18338
350K
77
7K
7773
700K
38
14K
3982
1.4M
18
28K
1993
3.5M
6
70K
798
7M
3
140K
398
14M
1
280K
198
≤250MSa/s
3.5K
3779
700K
78
7K
1891
1.4M
38
14K
945
2.8M
18
17.5K
757
7M
7
35K
378
14M
3
70K
188
500MSa/s
≦35
80000
140K
93
70
77026
175K
74
140
65667
700K
17
350
45526
1.4M
8
700
29140
1.8M
6
1.4K
16945
3.5M
3
3.5K
7510
7M
1
7K
3912
14M
1
14K
1958
4. Press the softkey to replay the waveform from the current frame to 1.
5. Press the softkey to stop replay.
6. Press the softkey to replay the waveform from the current frame to the last
frame.
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Factory Setup
Press
Save/Recall
function key, then press
Save
menu select
To Default Key
set the type
to
Factory Setup
. Then press the
Default
button on the front to set the oscilloscope to the
leave factory setup. Another way is press
Save/Recall
function key, then press
Recall
menu select
Factory Default
to recall.
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Troubleshooting
The commonly encountered failures and their solutions are listed below. When you
encounter those problems, please solve them following the corresponding steps. If the
problem remains still, please contact
SIGLENT
Company as soon as possible.
1.
The screen is still dark (no display) after power on:
1) Check whether the power is correctly connected.
2) Check whether the power switch is really on.
3) Check whether the fuse is burned out. If the fuse needs to be changed, please
use the specified fuse.
4) Restart the instrument after finishing the above inspections.
5) If it still does not work correctly, please contact
SIGLENT.
2.
The signal is sampled but no waveform of the signal is displayed:
1) Check whether the probe is correctly connected to the signal connecting wire.
2) Check whether the signal connecting wire is correctly connected to the BNC
(namely channel connector).
3) Check whether the probe is correctly connected to the item to be tested.
4) Check whether there are signals generated from the item to be tested (you can
connect the probe compensation signal to the problematic channel to determine
which has problem, the channel or the item to be tested).
5) Resample the signal.
3.
The tested voltage amplitude is greater or lower than the actual value (note that
this
problem usually occurs when probe is used):
Check whether the attenuation coefficient of the channel complies with the
attenuation ratio of the probe.
4.
There is waveform display but not stable:
1) Check the trigger signal source: check whether the
Source
item at the trigger
panel complies with the signal channel actually used.
2) Check the trigger type: general signals should use “Edge” trigger and video
signal should use “Video” trigger. Only when the proper trigger type is used, can
the waveform be displayed stably.
3) Change the trigger holdoff setting.
5.
No display after pressing Run/Stop:
Check whether the mode at the trigger panel (TRIGGER) is on “Normal” or “Single”
and whether the trigger level exceeds the waveform range. If yes, set the trigger level
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to the middle or set the mode
to “Auto”.
Note
: using
AUTO
could automatically finish the above setting.
6.
The display of waveform is ladder-like:
1) The horizontal time base might be too low. Increase the horizontal time base to
increase the horizontal resolution and improve the display.
2) If the display
Type
is “Vectors”, the lines between the sample points may cause
ladder-like display. Set
Type
to “Dots” to solve the problem.
7.
Fail to connect PC through USB:
Check the
IO Setting
in
Utility
to make sure whether the setting in
USB Device
matches the device currently connected. If needed, restart the oscilloscope.
8.
The USB storage device cannot be recognized:
1) Check whether the USB storage device can work normally.
2) Make sure whether the USB interface can work normally.
3) Make sure that the USB storage device being used is flash storage type. This
oscilloscope does not support hardware storage type.
4) Restart the instrument and then insert the USB storage device to check it.
5) If the USB storage device still cannot be used normally, please contact
SIGLENT
.
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SDS1000X-E Series
Digital Oscilloscope
