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SHS800X
SHS1000X
Handheld Digital Oscilloscope
User Manual
EN01B
May，2022
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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：Blog No.4 & No.5, Antongda Industrial Zone, 3rd Liuxian Road, Bao’an District,
Shenzhen, 518101, China
Tel：400-878-0807
E-mail：sales@siglent.com
http://www.siglent.com
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Introduction
This user manual includes important safety and installation information related to the
SHS800X and SHS1000X handheld digital oscilloscopes, and includes simple tutorials for
basic operation of the oscilloscope.
The series includes the following models:
Model
Analog Bandwidth
SHS820X
200 MHz bandwidth, 2-channel, 1 GSa/s Sample rate
SHS810X
100 MHz bandwidth, 2-channel, 1 GSa/s Sample rate
SHS1202X
200 MHz bandwidth, 2-channel, 1 GSa/s Sample rate
SHS1102X
100 MHz bandwidth, 2-channel, 1 GSa/s Sample rate
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General Safety Summary
Carefully read the following safety precautions to avoid any personal injury or damage the
instrument and avoid any products connected to it. To avoid potential hazards, please use
the instrument as specified.
Protection is impaired if used in a manner not specified by the manufacturer.
Precautions for Operation
Before operating this product, special training is required to ensure that the user is
physically, mentally and emotionally healthy and able to use the oscilloscope, otherwise it
may cause personal injury or material damage. Employers、operators are responsible for
selecting suitable personnel to operate this product.
Before moving or transporting this product. Please read and observe the "Safety
Transportation Matters" chapter.
As with all industrial products, the use of substances that cause allergic reactions such as
nickel cannot generally be ruled out. If you experience an allergic reaction while using this
product, please consult a doctor in time to determine the cause.
Before you perform mechanical or heat treatment or disassemble the oscilloscope, please
be sure to read and pay special attention to the "Waste Disposal/Environmental
Protection" chapter.
In the event of a fire, this product may release harmful substances (gas, liquids, etc.),
causing health problems. Therefore, appropriate measures must be taken, for example,
protective masks and protective clothing must be worn.
Safety Terms and Symbols
The meaning of symbols
symbol
meaning
symbol
meaning
Warning
Power Switch
Hazardous Voltage
Equipment meeting double
insulation or reinforced insulation
EarthGround
Indoor use only
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Lithium battery failure
EU label for separately recycled
electrical and electronic equipment
Cue and its meaning
DANGER: Indicates direct injury or hazards that may happen.
WARNING: Indicates potential injury or hazards that may happen.
CAUTION: Indicates potential damage to the instrument or other property that may
happen.
It must be consulted in all cases where is marked, in order to find out the nature of the
potential HAZARDS and any actions which have to be taken to avoid them.
Cue et sa signification
DANGER
: Indique des blessures directes ou des dangers qui peuvent survenir.
WARNING : indique des blessures ou des dangers potentiels pouvant survenir.
CAUTION: indique des dommages potentiels à l'instrument ou à d'autres biens pouvant
survenir.
Il doit être consulté dans tous les cas où
est marqué, afin de connaître la nature des
DANGERS potentiels et les actions à entreprendre pour les éviter.
Safety Operation Matters
The product can only be operated under the safe conditions and positions specified by the
manufacturer. Do not obstruct the ventilation of the oscilloscope during use. Failure to
comply with the manufacturer's specifications may result in electric shock, fire, serious
personal injury, or even death. Applicable local safety regulations and accident
prevention rules must be observed in all applications.
When powered by a power adapter, it can only be used indoors.
Do not place the product on surface, vehicle, cabinet or tables that for reasons of weight
or stability are unsuitable for this purpose. When installing the product and fastening it to
the article or structures, always follow the manufacturer's installation instructions. If the
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installation is not carried out in accordance with the requirements of the document, it may
cause personal injury or even death.
Do not use this product in or near a heat source, and the ambient temperature cannot
exceed the maximum temperature in the document or datasheet
Safety of Electricity
If you ignore the electrical safety methods, electric shock, fire and/or serious personal
injury or death may occur.
Only use the power adapter and battery specified by the manufacturer to power the
oscilloscope, and the power adapter can only work within its rated input voltage range.
Only the probe specified by the manufacturer can be used for testing. The use of
non-manufacturer probes for testing may result in electric shock accidents.
The user is not allowed to damage the insulation protection layer of the oscilloscope and
accessories. Doing so may cause electric shock. If an extension cord or terminal block is
used for power supply, it must be checked regularly to ensure safe use.
Before use, please check whether the power cord and probe are damaged. If the power
cord and probe are damaged, please do not continue to use the product.
Do not insert the AC plug of the power adapter into a dusty or dirty socket. Please make
sure that the plug is firmly inserted into the socket, otherwise it may cause fire and/or
injury due to sparks.
Do not overload any sockets, extension cords or connectors. Doing so may cause fire or
electric shock.
When the measured voltage Vrms exceeds 30V, you should take appropriate
measurement methods to avoid any danger.
Unless expressly permitted, do not remove the cover or any part of the shell while the
product is in operation. Doing so will expose circuits and components, reduce the
overvoltage level of the measurement, and may cause personal injury, fire, or damage to
the oscilloscope.
Anything that is not designed to be placed on the external interface of this product should
not be placed on the external interface, otherwise it will cause an internal short circuit
and/or electric shock, fire or injury to the oscilloscope.
Do not place this product in an environment exceeding IP51, otherwise the oscilloscope
will be damaged.
This product must be used in a dry environment, otherwise it may cause electric shock.
It is forbidden to use this product when condensation has formed or may form inside or on
the surface of this product. For example, when the oscilloscope moves from a cold
environment to a warm environment, the penetration of water increases the risk of electric
shock.
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Safety Transportation Matters
SIGLENT Technology provides handbags for the oscilloscope. For short-distance
transportation under supervision, please make sure that the oscilloscope is turned off
before putting it in the handbag. For long-distance transportation under unsupervised,
please take out the battery and put it in your handbag.
In order to facilitate the user to hold, SIGLENT Technology has installed a fabric handle on
the oscilloscope. This handle cannot be used as a focus point to be fixed on transportation
equipment, such as cranes, forklifts, trucks, etc. It is the user's responsibility to fasten the
product firmly to the transportation or lifting tool.
If you use this product in a vehicle, the driver is responsible for driving the vehicle safely
and correctly. The manufacturer is not responsible for any accidents or collisions. Do not
use this product in a moving vehicle to avoid distracting the driver. Use this product
appropriately in the vehicle to prevent injury or other damage in the event of an accident.
Battery Usage
This product contains a rechargeable lithium battery pack. If misused, there is a risk of
explosion, fire and / or serious personal injury, and even death in some cases.
The battery cannot be disassembled or crushed.
The battery or battery pack cannot be exposed to high temperature or fire, and it must be
stored in direct sunlight. Keep the battery clean and dry. Use a dry, clean cloth to clean
contaminated connectors.
The battery or battery pack cannot be short-circuited. Batteries or battery packs should not
be stored in an environment that can easily cause a short circuit, such as boxes and
drawers containing metal debris. The battery pack cannot be taken out of its original
packaging before use.
Batteries and battery packs should not be exposed to any mechanical shock that exceeds
the allowable level.
If the battery leaks, do not let the liquid contact the skin or eyes. If contact occurs, wash
the contact area with plenty of water and seek medical assistance.
The power adapter specified by SIGLENT Technology must be used for charging, otherwise
it may cause a fire or cause personal injury or death.
It must be charged in a well-ventilated room. During the charging process, the
oscilloscope should not be covered by objects (such as blankets, towels, clothes), which
will affect the heat dissipation effect and cause a serious fire.
Improper battery replacement may cause an explosion. For the reliability and safety of the
oscilloscope, the battery model specified by SIGLENT Technology must be replaced.
Used batteries and battery packs must be recycled and separated from residual waste.
Batteries contain hazardous waste, and local regulations on waste disposal and recycling
must be followed.
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Waste Disposal
The used batteries in the product must not be disposed of together with unsorted
municipal waste, they must be collected separately and placed in designated recycling
points.
If the product and its components are mechanically and/or thermally processed in a way
beyond the intended use, hazardous substances may be released. Therefore, this product
can only be disassembled by professional personnel. Improper disassembly may
endanger your health. The local waste disposal regulations must be followed.
Safety Compliance
This section lists the safety standards with which the product complies.
U.S. nationally recognized testing laboratory listing
UL 61010-1:2012/R:2018-11. Safety Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use – Part 1: General Requirements.
UL 61010-2-030:2018. Safety Requirements for Electrical Equipment for Measurement,
Control, and Laboratory Use – Part2-030: Particular requirements for testing and
measuring circuits.
UL 61010-2-033:2020. Safety Requirements for Electrical Equipment for Measurement,
Control and Laboratory Use – Part 2-033: Particular Requirements for Hand-Held
Multimeters for Domestic and Professional Use, Capable of Measuring Mains Voltage.
Canadian certification
CAN/CSA-C22.2 No. 61010-1:2012/A1:2018-11. Safety Requirements for Electrical
Equipment for Measurement, Control, and Laboratory Use – Part 1: General
Requirements.
CAN/CSA-C22.2 No. 61010-2-030:2018. Safety Requirements for Electrical Equipment
for Measurement, Control, and Laboratory Use – Part 2-030: Particular requirements
for testing and measuring circuits.
CSA C22.2 No. 61010-2-033-2020. Safety Requirements For Electrical Equipment For
Measurement, Control And Laboratory Use — Part 2-033: Particular Requirements For
Hand-Held Multimeters For Domestic And Professional Use, Capable Of Measuring
Mains Voltage
General Care and Cleaning
Care
Do not store or leave the instrument in direct sunshine for extended periods of time.
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To avoid damages to the instrument or probes, please do not expose them to fog, liquid,
or solvents.
Cleaning
Please perform the following steps to clean the instrument and probes regularly in
accordance with its operating conditions.
Disconnect the instrument from all power sources and then clean 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 scratching it.
To avoid damage to the surface of the instrument and probe, please do not use any
corrosive liquid or chemical cleansers.
Make sure that the instrument is completely dry before restarting it to avoid potential short
circuits or personal injury.
Measurement Category
WARNING
Make sure that no measurement overvoltage reach the product, or else the
operator might expose to danger of electric shock.
Assurez-vous qu'aucune surtension de mesure n'atteigne le produit, sinon
l'opérateur pourrait s'exposer à un risque de choc électrique.
IEC61010-2-030 defines the measurement category to rate the ability of measuring
instruments to withstand short-term transient overvoltage outside of the working voltage.
This product and its accessories can only be used in the environment of the nominal
measurement category.
0- An instrument with no rated measurement category is used to measure circuits that
are not directly connected to the mains, such as a circuit board powered by a battery
or a secondary circuit with special protection. This measurement category is also
called CATⅠ.
CAT II：
For measurements installed in buildings, such as junction boxes, circuit breakers,
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distribution boards and equipment permanently connected to fixed installations.
CAT III:
Used for measurements installed in buildings, such as junction boxes, circuit breakers,
distribution boards and equipment that are permanently connected to fixed
installations.
CAT IV:
It is used for measuring at the source of low-voltage devices, such as electricity meters
and primary overcurrent protection devices.
SHS800X Measurement Category
SHS800X can working under the measurement category listed in the table below, The
applicable measurement category of a combination of a probe assembly and an
accessory is the lower of the measurement category.
SHS800X
Max Input Voltage
Scope（BNC input）
CAT II 300Vrms Between BNC Signal and
Protecting Earth.
CAT II 30Vrms Between BNC GND and
Protecting Earth.
CAT II 300Vrms Between BNC Signal and
BNC GND.
Scope（Probe input）
CAT II 300Vrms Between Signal and
Protecting Earth.
CAT II 30Vrms Between Probe GND and
Protecting Earth.
CAT II 300Vrms Between Probe Signal
and Probe GND.
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Multimeter
CAT III 300Vrms, CATII 600Vrms.
SCD10A
[1]
CAT III 60Vrms.
SCD600MA
[1]
CAT III 60Vrms.
Note: SCD10A is a 10A current adapter for the meter using to measure a current up to 10A,
SCD600MA is a 600mA current adapter for the meter using to measure a current up to
600mA. Refer to the DCI/ACI chapter for more information.
INPUT A
INPUT B
System GND
Protecting GND
CAT II 300V
CAT II 30V
CAT II 300V
CAT II 30V
Probe Input BNC Input
Measurement Category for SHS800X Scope
COM
V
Ω
Meter
Input
CAT III 300V
CAT II 600V
CAT III 300V
CAT II 600V
CAT III 300V
CAT II 600V
Protecting GND
Measurement Category for SHS800X Multimeter
WARNING
Electrical Shock Hazard!
The reference ground of SHS800X CH1 and CH2 are connected together,
connected one of them to the voltage higher than 30Vrms and touch the other
one may results in personal injury.
Risque de choc électrique !
Les masses de référence du SHS800X CH1 et CH2 sont connectées ensemble,
connectées l'une d'elles à une tension supérieure à 30 Vrms et toucher l'autre
peut entraîner des blessures.
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SHS1000X Measurement Category
SHS1000X can working under the measurement category listed in the table below The
applicable measurement category of a combination of a probe assembly and an
accessory is the lower of the measurement category.
SHS1000X
Max Input Voltage
Scope（BNC input）
CAT III 600Vrms/CAT II 1000Vrms Between
BNC Signal and Protecting Earth.
CAT III 600Vrms/CAT II 1000Vrms Between
BNC GND and Protecting Earth.
CAT III 300Vrms Between BNC Signal and
BNC GND.
Scope（Probe input）
CAT III 600Vrms, CAT II 1000Vrms.
Multimeter
CAT III 600Vrms, CAT II 1000Vrms.
SCD10A
[1]
CAT III 60Vrms.
SCD600MA
[1]
CAT III 60Vrms.
Note: SCD10A is a 10A current adapter for the meter using to measure a current up to 10A,
SCD600MA is a 600mA current adapter for the meter using to measure a current up to
600mA. Refer to the DCI/ACI chapter for more information.
INPUT A INPUT B
CAT III 600V
/CAT II 1000V
CAT III 600V
/CAT II 1000V
GND A
GND B
Protecting GND
Probe Input BNC Input
CAT III 300V
CAT III 600V
/CAT II 1000V
Measurement Category for SHS1000X Scope
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COM
V
Ω
Meter
Input
CAT III 600V
CAT II 1000V
CAT III 600V
CAT II 1000V
CAT III 600V
CAT II 1000V
Protecting GND
Measurement Category for SHS1000X Multimeter
Working Environment
General requirement
Environment
This product is intended for indoor use and should be operated in a clean, dry
environment.
It can be stored in an environment with a waterproof/dustproof rating better than IP51.
Temperature
Operating: 0℃ to +40℃
Non-operation:-20℃ to +60℃
Note: Direct sunlight, radiators, and other heat sources should be taken into account when
assessing the ambient temperature.
Humidity
Operating: 85% RH, 40 ℃, 24 hours
Non-operating: 85% RH, 65 ℃, 24 hours
Altitude
Operating: less than 2 Km
Non-operation: less than 5 Km
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.
Assurez-vous qu'aucune surtension (comme celle causée par la foudre) ne
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peut atteindre le produit, sinon l'opérateur pourrait s'exposer à un risque de
choc électrique.
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).
Degree of Pollution
The oscilloscopes may be operated in environments of Pollution Degree II.
Note: Degree of Pollution II refers to a working environment which is dry and
non-conductive pollution occurs. Occasional temporary conductivity caused by
condensation is expected.
IP Rating
IP51 (as defined in IEC 60529).
Ventilation Requirement
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.
WARNING
Inadequate ventilation may cause temperature increase which would damage
the instrument. So please keep the instrument well ventilated during operation.
Une ventilation inadéquate peut entraîner une augmentation de la
température qui endommagerait l'instrument. Veuillez donc garder
l'instrument bien ventilé pendant le fonctionnement.
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AC Power Requirement
The power adapter operates with a single-phase, 100 to 240 Vrms (+/-10%) AC power at
50/60 Hz (+/-5%).
No manual voltage selection is required because the instrument automatically adapts to
line voltage.
Depending on the type and number of options and accessories (probes, PC port plug-in,
charging etc.), When powered by adapter, the scope can consume up to 35 W of power.
Note: The power adapter automatically adapts to the AC line input within the following
ranges:
Voltage Range:
90 - 264 Vrms
Frequency Range:
47 - 63 Hz
Please use the power cord and adapter provided by the manufacturer. Use of other
non-designated products may cause personal injury.
WARNING
Electrical Shock Hazard!
Use of an adapter or power supply not specified by the manufacturer may
cause personal injury.
Risque de choc électrique !
L'utilisation d'un adaptateur ou d'un bloc d'alimentation non spécifié par le
fabricant peut entraîner des blessures.
To make the oscilloscope completely power off, unplug the instrument power cord from
the AC socket and remove the battery from the scope.
The battery should be removed from the scope when it is not to be used for an extended
period of time.
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Maintenance and Services
Only authorized and specially trained personnel can open the oscilloscope. When
performing maintenance operations on the oscilloscope, you must remove the power
adapter and make sure that the oscilloscope is turned off, otherwise it may cause an
internal short circuit of the oscilloscope.
Adjustment, replacement of parts, maintenance and repair can only be performed by
operators authorized by SIGLENT Technology. Safety-related parts can only be replaced
with original parts. Safety tests must be carried out after replacing parts.
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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.
Acquisition 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 serial trigger
and decode.
Reference Waveform
Introduce 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
Introduce how 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 result and the setting of the
oscilloscope.
System Setting
Introduce how to set the system setup.
Search
Introduce the oscilloscope search function
Navigate
Introduce how to use the waveform
navigation function of the oscilloscope
History
Introduce how to use and set historical
waveform functions.
Meter
Introduce how to use meter function.
Recorder
Introduce how to use recorder function.
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Table of Content
Copyright and Declaration ............................................................................................... II
Introduction ...................................................................................................................... III
General Safety Summary ............................................................................................... IV
Precautions for Operation ....................................................................................... IV
Safety Terms and Symbols...................................................................................... IV
Safety Operation Matters ......................................................................................... V
Safety of Electricity................................................................................................... VI
Safety Transportation Matters .................................................................................. II
Battery Usage ............................................................................................................. II
Waste Disposal .......................................................................................................... III
Safety Compliance .................................................................................................... III
General Care and Cleaning ............................................................................................. III
Measurement Category .................................................................................................. IV
SHS800X Measurement Category ........................................................................... V
SHS1000X Measurement Category ....................................................................... VII
Working Environment ................................................................................................... VIII
General requirement ............................................................................................. VIII
Ventilation Requirement ......................................................................................... IX
AC Power Requirement .............................................................................................. I
Maintenance and Services ............................................................................................... II
Document Overview ................................................................................................... XXIV
Quick Start .......................................................................................................................... 2
Appearance and Dimensions ................................................................................... 3
Prepare for Using ....................................................................................................... 4
Adjust the Supporting Leg ................................................................................. 4
Battery Installation ............................................................................................. 4
Connect the Power Supply ................................................................................. 5
Power-on Inspection .......................................................................................... 6
Connect the Probe .............................................................................................. 6
Function Inspection ............................................................................................ 6
Probe Compensation .......................................................................................... 8
Multimeter Meter Pen ......................................................................................... 8
Front Panel Overview ................................................................................................ 9
Side Panel Overview ................................................................................................ 10
Rear Panel Overview ............................................................................................... 11
Front Panel Function Overview .............................................................................. 12
Horizontal .......................................................................................................... 12
Vertical ................................................................................................................. 13
Trigger ................................................................................................................ 14
Run Control ........................................................................................................ 15
Universal Knob .................................................................................................. 16
Other Buttons .................................................................................................... 17
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Help ............................................................................................................................ 19
User Interface ........................................................................................................... 20
Vertical System ................................................................................................................ 22
Enable the Channel .................................................................................................. 23
Adjust Scale .............................................................................................................. 24
Vertical Position ....................................................................................................... 25
Coupling .................................................................................................................... 25
Bandwidth Limit ....................................................................................................... 26
Probe .......................................................................................................................... 26
Unit ............................................................................................................................. 27
Deskew ...................................................................................................................... 27
Invert .......................................................................................................................... 27
Trace Visible/Hidden ............................................................................................... 28
Horizontal System ........................................................................................................... 29
Horizontal Scale ....................................................................................................... 30
Horizontal Delay....................................................................................................... 31
Roll Mode .................................................................................................................. 32
Zoom Mode ............................................................................................................... 33
Acquisition System .......................................................................................................... 35
Overview ................................................................................................................... 36
Sampling Theory ............................................................................................... 36
Sample Rate....................................................................................................... 36
Bandwidth and Sample Rate........................................................................... 37
Memory Depth .......................................................................................................... 39
Sampling Mode ........................................................................................................ 40
Interpolation Method ............................................................................................... 41
Acquisition Mode ...................................................................................................... 44
Normal ................................................................................................................ 44
Peak Detect ........................................................................................................ 45
Average .............................................................................................................. 46
ERES .................................................................................................................... 48
Horizontal Format .................................................................................................... 49
Sequence Mode ........................................................................................................ 51
Trigger............................................................................................................................... 53
Trigger Source .......................................................................................................... 55
Trigger Mode ............................................................................................................. 56
Trigger Level ............................................................................................................. 58
Trigger Coupling ....................................................................................................... 59
Trigger Holdoff ......................................................................................................... 60
Noise Rejection ......................................................................................................... 61
Trigger Type .............................................................................................................. 63
Edge Trigger ...................................................................................................... 64
Slope Trigger ..................................................................................................... 66
Pulse Trigger ...................................................................................................... 68
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Video Trigger ..................................................................................................... 70
Window Trigger ................................................................................................. 74
Interval Trigger.................................................................................................. 77
Dropout Trigger ................................................................................................. 79
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 .............................................................................................. 92
SPI Trigger and Serial Decode ................................................................................ 94
Setup for SPI Signals......................................................................................... 94
SPI Trigger .......................................................................................................... 98
SPI Serial Decode .............................................................................................. 99
UART Trigger and Serial Decode .......................................................................... 101
Setup for UART Signals .................................................................................. 101
UART Trigger .................................................................................................... 103
UART Serial Decode ........................................................................................ 104
CAN Trigger and Serial Decode ............................................................................ 106
Setup for CAN Signals .................................................................................... 106
CAN Trigger ...................................................................................................... 107
CAN Serial Decode .......................................................................................... 108
LIN Trigger and Serial Decode .............................................................................. 110
Setup for LIN Signals ...................................................................................... 110
LIN Trigger ....................................................................................................... 111
LIN Serial Decode ............................................................................................ 112
Reference Waveform .................................................................................................... 114
Save REF Waveform to Internal Memory ............................................................ 115
Display REF Waveform........................................................................................... 115
Adjust REF Waveform ............................................................................................ 116
Clear REF Waveform............................................................................................... 117
Math ................................................................................................................................ 118
Units for Math Waveforms .................................................................................... 119
Math Operators....................................................................................................... 120
Addition or Subtraction .................................................................................. 120
Multiplication and Division ............................................................................ 122
FFT Operation .................................................................................................. 123
Math Function Operation .......................................................................................... 129
Cursors ............................................................................................................................ 134
X Cursors.................................................................................................................. 134
Y Cursors .................................................................................................................. 134
Make Cursor Measurements ................................................................................. 136
Measure .......................................................................................................................... 138
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Type of Measurement ............................................................................................ 139
Voltage Measurements .................................................................................. 139
Time Measurements ....................................................................................... 141
Delay Measurements ...................................................................................... 142
Add Measurement .................................................................................................. 143
Clear Measurement ................................................................................................ 146
All Measurement .................................................................................................... 146
Gate Measurement ................................................................................................. 148
Display ............................................................................................................................ 149
Display Type............................................................................................................ 150
Color Grade ............................................................................................................. 151
Persistence .............................................................................................................. 152
Clear Display ........................................................................................................... 153
Grid Type ................................................................................................................. 154
Intensity ................................................................................................................... 154
Grid Brightness ....................................................................................................... 155
Transparence .......................................................................................................... 155
LCD Light .................................................................................................................. 155
Save and Recall ............................................................................................................. 157
Save Type ................................................................................................................ 158
Internal Save and Recall ....................................................................................... 160
External save and recall ........................................................................................ 160
Disk Management .................................................................................................. 163
Create a New File or Folder ........................................................................... 164
Delete a File or Folder .................................................................................... 165
Rename a File or Folder ................................................................................. 165
System Setting ............................................................................................................... 166
View System Status ................................................................................................ 167
Do Self Cal ............................................................................................................... 168
Quick-Cal ................................................................................................................. 169
Sound ....................................................................................................................... 169
Language ................................................................................................................ 169
Update Firmware and Configuration .................................................................. 169
Do Self-Test ............................................................................................................. 171
Screen Test ....................................................................................................... 171
Keyboard Test.................................................................................................. 172
LED Test ............................................................................................................ 173
Screen Saver ........................................................................................................... 174
Date/Time ............................................................................................................... 175
Set Date/Time .................................................................................................. 175
Set Time Zone .................................................................................................. 176
Reference Position ................................................................................................. 177
Search ............................................................................................................................. 178
Setting ...................................................................................................................... 178
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Results ..................................................................................................................... 179
Navigate ......................................................................................................................... 181
Time Navigate......................................................................................................... 181
History Frame Navigate ........................................................................................ 181
Search Event Navigate .......................................................................................... 182
History ............................................................................................................................. 183
Meter ............................................................................................................................... 184
DCV/ACV .................................................................................................................. 186
Resistance ............................................................................................................... 188
Diode ........................................................................................................................ 189
Continuity ................................................................................................................ 190
Capacitance ............................................................................................................ 191
DCI/ACI..................................................................................................................... 192
Recorder ......................................................................................................................... 194
Sample Logger ....................................................................................................... 194
Measure Logger ...................................................................................................... 199
Factory Setup ................................................................................................................. 205
Troubleshooting ............................................................................................................ 206
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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 the oscilloscope's user interface .
The contents of this chapter:
General Inspection
Appearance and Dimensions
Prepare for Using
Front Panel Overview
Side Panel Overview
Rear Panel Overview
Front Panel Function Overview
Help
User Interface
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Appearance and Dimensions
Figure 1 Front View
Figure 2 Side view
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Prepare for Using
Adjust the Supporting Leg
Properly adjust the supporting leg and place the oscilloscope steadily for better
operation and observation of the display screen.
Figure 3 Adjust the Supporting Leg
Battery Installation
When the oscilloscope leaves the factory, the battery and the host are separated.
Please install the battery as follows:
1. Remove the three screws on the battery cover with a screwdriver, as shown in
Figure 4.
2. Remove the battery cover, as shown in Figure 5.
3. Put the battery into the battery slot and close the battery cover, as shown in
Figure 6.
4. Lock the screws with the screwdriver, as shown in Figure 4, and then turn on
the oscilloscope to check whether the battery is installed successfully.
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Figure 4
Figure 5
Figure 6
Important tips:
Pay attention to the direction of the battery cover, with the serial number at
the bottom.
Anti-reverse connection design is adopted for battery slot. Please put the
battery in gently, do not use force.
If the battery fails to power on after successful installation, it may be that the
battery has run out. Please charge it in time.
When the oscilloscope is idle, the battery needs to be charged every 3
months .
Connect the Power Supply
The power requirements of the oscilloscope is 100-240 V, 50/60Hz. Please use the
power cord provided to connect the oscilloscope to the power source.
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Figure 7 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 will be displayed.
Connect the Probe
Connect the Probe:
1. Connect the BNC terminal of the probe to a channel BNC connector.
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”
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under the probe compensation signal output terminal.
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 8 Function Inspection
6. Use the same method to test the other channels. If the square waveforms
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
Pour éviter les chocs électriques lors de l'utilisation de la sonde,
veuillez vous assurer que le fil isolé de la sonde est en bon état et ne
touchez pas la partie métallique de la sonde lorsque la sonde est
connectée à une source haute tension
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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 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.
Multimeter Meter Pen
To avoid obtaining no measurements or unnecessary damage to the
SHS800X/SHS1000X, you should use the right jack when measuring current,
voltage and other measurement.
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Front Panel Overview
Figure 9 Scope Front Panel Overview
No.
Description
No.
Description
1
Power Button
7
Universal Knob
2
Vertical Control
8
Trigger Control
3
Dual Function Button
9
Horizontal Control
4
Menu Soft key
10
Single Function Button
5
LCD Display
11
Multimeter Input
6
Analog Channel Input
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Side Panel Overview
Figure 10 Scope Side Panel Overview
1. Probe Compensation/ Ground Terminal
Supplies a 0-5 V, 1 kHz square wave for compensating the probes.
2. USB Host
Connect the USB host ports to USB storage devices for data transfer.
3. USB Device
The oscilloscope support SCPI remote control commands, user can control
the oscilloscope through this interface.
4. Adapter Power Input
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Rear Panel Overview
Figure 11 Scope Rear Panel Overview
1. Battery Cover
2. Supporting Leg
Adjust the supporting leg properly to use them as stands to tilt the
oscilloscope upwards for stable placement of the oscilloscope as well as
better operation and observation.
3. Handle
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Front Panel Function Overview
Horizontal
Horizontal Position Button: adjust horizontal position. Press the button to change
the horizontal delay time, waveforms of all channels will move horizontally with
the trigger point. Press the Shift + Horizontal Position to quickly reset the
horizontal delay to Zero.
Horizontal Scale Button: adjust the horizontal time base. Press ns to reduce the
time base and press s 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.
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Vertical
: 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 Button: adjust the vertical position of the current channel
waveform. Press up to increase the position and down 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 Shift +
Vertical Position to quickly reset the vertical position to zero.
Vertical Scale Button: adjust the vertical scale of the current channel. Press mV to
decrease the scale and press V to increase. During the modification, the
amplitude of the waveform would enlarge or reduce and the scale information in
the channel setup box would change accordingly.
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Trigger
: press the button to enter the TRIGGER function menu. The
oscilloscope provides abundant advanced trigger functions.
: press the button and then turn the Universal Knob to adjust the
trigger level. During the modification, the trigger level line would
move up and down. Press down the Universal Knob to quickly reset
the trigger level to center of the waveform.
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Run Control
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.
press the button 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 reset the oscilloscope to user default
setup.
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Universal Knob
1. Adjust the waveform intensity.
You can press the Display/Persist button; press the Next Page soft key to go
to the second page of the DISPLAY function menu; press the Intensity soft key
and then turn the Universal Knob to adjust the waveform intensity.
2. Select the desired submenu.
In menu operation, press any menu soft key 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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Other Buttons
Function switching button
Press the button to enter scope mode.
Press Shift and this button to enter the SEARCH function menu.
Press the button to enter meter mode.
Press the button to enter the history mode. In history mode, it
can record most 80,000 frames waveforms.
Press the button to enter recorder mode.
Press the button to turn off or turn on the navigate function.
Press the button to enable/disable measurements.
Press Shift and this button to enable/disable MATH function.
Press to enter the CURSOR function menu. The oscilloscope
provides manual and track cursor mode.
Press Shift and this button to enter the SAVE/RECALL function
menu.
Press the button to perform a screenshot save to an external
storage device. The supported format includes .bmp\.jpg\.png.
Press Shift and this button to enter the DECODE function menu.
The oscilloscope supports I2C, SPI, UART, CAN and LIN serial bus
decode.
Press the button to turn on/off menu display.
Press Shift and this button to enter the REF function menu.
Clears the data or display in multiple sweeps, including display
persistence, measurement statistics, average sweeps and
Pass/Fail statistics.
Press Shift and this button to enter zoom mode.
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Press the button to enter the ACQUIRE function menu to set the
acquisition mode, memory depth, wave interpolation and so
on.
Press the button to enter the DISPLAY menu. The second press
turn on Persist, press the button again to turn off Persist.
Press to enter the UTILITY function menu to look at the system
status, do self-calibration, set the sound, language and so on.
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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. Acquisition Status
Available trigger status includes Arm, Ready, Trig’d, Auto, Stop, FStop, Roll.
3. Horizontal Time Base
Represent the time per grid on the horizontal axis on the screen.
Use the Horizontal Scale button to adjust the parameter. The available
range is from 1.0 ns to 100 s.
4. Horizontal Position (Delay)
Turn the Horizontal Position button to adjust the parameter. Press the Shift
and Horizontal Position button to set the value to 0 automatically.
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5. Trigger Delay Label
Indicate the trigger delay on the waveform.
6. Frequency Counter
Display the frequency value of the trigger channel.
7. Battery Level
8. Date/Time
9. 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.
10. I/O status
Indicate that the USB Host is connected.
11. 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.
12. 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.
Trigger condition: display the current trigger condition.
Trigger coupling: display the current trigger coupling. Available trigger
coupling mode: DC, AC, HF Reject, LF Reject.
13. Channel Setup
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. Press
the Vertical Scale button to adjust the value.
14. Channel Label/Waveform
Different channels are marked by different colors and the color of the
waveform complies with the color of the channel.
15. Menu
Display the corresponding function menu of the selected button. Press the
corresponding soft key to set the oscilloscope.
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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
Unit
Deskew
Invert
Trace Visible/Hidden
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Enable the Channel
The SHS800X/SHS1000X provides 2 analog input channels and each channel
shares the same vertical control system. Since the vertical system setting
methods of each channel is the same, this chapter uses CH1 as an example to
introduce the setting method of the vertical system.
Connect the signal to the CH1 channel connector; and then press the
CH1 button
in the vertical control area (VERTICAL) on the front panel to enable CH1.
The channel setting menu and the channel information bar are displayed at the
bottom of the screen.
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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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 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 soft key to select
the desired mode. Press the Vertical Scale button to adjust the vertical scale (V to
increase the scale and mV to reduce).
The scale information in the channel information bar at the bottom of the screen
will change accordingly during the adjustment process. The adjustable range of
the vertical scale is related to the probing ratio currently set. By default, the probe
attenuation factor is 1X and the adjustable range of the vertical scale is from 2
mV/div to 100 V/div.
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Vertical Position
Press the Vertical Position button to adjust the vertical position of the channel
waveform. Press up to increase the vertical position and the channel waveform
moves up, while press down to decrease the vertical position and the waveform
moves down. Press the Shift and Vertical Position button to set the vertical
position of the channel waveform to zero.
The table below shows the range of vertical positions according to the volt scale.
Volt Scale
Range of Vertical Position
2 mV/div ~ 296 mV/div
±5 V
302 mV/div ~ 7.5 V/div
±80 V
7.6 V/div ~ 100 V/div
±400 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 is set to
DC: the DC and AC components of the
signal under test can both pass through the channel.
When the coupling mode is set to AC: the DC components of the signal under
test are blocked.
When the coupling mode is 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 information bar at the
bottom 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 is set to
Full, the high frequency components of the
signal under test can pass through the channel.
When the bandwidth limit is set to 20M, the high frequency components that
exceed 20 MHz will be 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 the bandwidth limit is enabled, the
character B will be displayed in the channel information bar at the bottom of the
screen.
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.
You can also continuously press the Probe softkey 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
10000X
10000 : 1
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Custom
1000000:1~0.000001:1
You can also customize the probe attenuation factor. Press the Probe softkey,
select Custom, and then press the Custom softkey to select Custom or Custom
Fine. First, select Custom and turn the Universal Knob to achieve rough
adjustment; and then select Custom Fine and turn the Universal Knob to achieve
fine adjustment.
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 information
bar 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.
Invert
When Invert is set to On, the voltage values of the displayed waveform are
inverted. Invert affects how a channel is displayed while it keeps the trigger
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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 to hide the current channel waveform
1. Press
CH1 button on the front panel to enter the CH1 function menu.
2. Press the Next Page softkey to enter the third page of the CH1 function menu.
3. Press the Trace softkey to show or hide the channel waveform
Trace Visible
Trace Hidden
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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
Horizontal Delay
Roll Mode
Zoom Mode
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Horizontal Scale
Press the Horizontal Scale button on the front panel to adjust the horizontal time
base. Press the ns to decrease the horizontal time scale and press the s to
increase.
The time base information at the upper left corner of the screen will change
accordingly during the adjustment. The range of the SHS800X/SHS1000X
horizontal scale is from 1ns/div to 100s/div.
The
Horizontal Scale button works (in the Normal time mode) while acquisitions
are running or when they are stopped. When in run mode, adjust the horizontal
scale knob to change the sample rate. When stopped, adjust the horizontal scale
knob to zoom in the acquired data.
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Horizontal Delay
Press the Horizontal Position button on the front panel, the trigger point (solid
inverted triangle) will move horizontally. The trigger point moves horizontally to
the right when press > , while moves to left when press < . Press the Shift and
Horizontal Position button to reset the trigger delay.
When changing the horizontal delay, the delay time displayed in the information
bar at the top of the screen changes in real time, indicating the distance between
the time reference point and the trigger point. The available delay range
depends on the selected time/div and memory depth.
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Roll Mode
Press the Acquire button to enter the acquire menu and press the Roll Mode
softkey to enable 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 or slower.
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 or 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 Shift and Clear Sweep button on the front panel to turn on the zoom
function, and press the combination buttons again to turn off the function. When
Zoom function is on, the display window split in half. The top half shows the main
window and the bottom half displays a faster zoom window.
Figure 14 Split Screen Zoom
The extended normal window area is outlined with a border, and the rest of the
normal window is ghosting. This border area in the normal window is zoomed to
the lower half.
To change the time base for the Zoom window, press the
Horizontal Scale button.
The Horizontal Scale button controls the size of the border area. The Horizontal
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Position button 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 press the Horizontal
Position button. Negative delay values indicate you're looking at a portion of the
waveform before the trigger event, and positive values indicate you're looking at
the waveform after the trigger event.
To change the time base of the normal window, turn off Zoom; then press the
Horizontal Scale button.
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Acquisition System
This chapter introduces how to use the acquisition control and set the sampling
system of the oscilloscope.
The contents of this chapter:
Overview
Memory Depth
Sampling Mode
Interpolation Method
Acquisition Mode
Horizontal Format
Sequence Mode
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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 uniquely
reconstruct the signal without aliasing.
f
MAX
= f
S/2
= Nyquist frequency (f
N
) = folding frequency
Sample Rate
The maximum sample rate of the oscilloscope is 1GSa/s. The actual sample rate
of the oscilloscope is determined by the horizontal scale. Press the
Horizontal
Scale Button to adjust the sample rate.
The actual sample rate is displayed in the information area at the bottom right
corner of the screen.
The effect of low sampling rate on the waveform:
1. Waveform Distortion: when the sample rate is too low, some waveform
details are lost and the waveform displayed is quite different from the actual
signal.
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2. Waveform Confusion: when the sample rate is lower than twice the actual
signal frequency (Nyquist Frequency), the waveform frequency reconstructed
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
reconstructed from the sample data cannot reflect all the actual signal
information.
Bandwidth and Sample Rate
An oscilloscope's bandwidth is typically described as the lowest frequency at
which the input sinusoidal signal is attenuated by 3 dB (- 30% amplitude error).
Under the bandwidth frequency, the required sampling rate is f
S
= 2f
BW
according
to the sampling theory. However, the theory assumes that there are no frequency
components above f
MAX
(f
BW
in this case) in the system, which means that it
requires a system with an ideal brick wall frequency response.
Pulse disappeared
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In fact, digital signals have frequency components above the fundamental
frequency (a square wave is composed of a sine wave of the fundamental
frequency and numerous odd harmonics), and generally, for oscilloscopes with a
bandwidth of 500 MHz and below, the system has a Gaussian frequency
response.
Therefore, the sampling frequency of the oscilloscope should be four or more
times the bandwidth frequency: f
S
= 4fBW. In this way, there is less aliasing, and
the components in the aliasing area are attenuated a lot.
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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.
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 bottom right
corner of the screen. Since the oscilloscope has two acquisition memories, when
only one channel is on, the maximal memory depth is up to 12 Mpts.
The maximum storage depth in single channel mode is twice that in dual channel
mode, as shown in the following table:
Single Channel Mode
Dual Channel Mode
12k
6k
120k
60k
1.2M
600k
12M
6M
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)
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Sampling Mode
The oscilloscope only supports real-time sampling. 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, and 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.
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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 uses the interpolation method to display a waveform.
The 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 the interpolation method to fill out the gaps between points
and 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 a
square wave.
Sinx/x: Connecting the sampling points with curves has stronger versatility.
Sinx interpolation method uses mathematical processing to calculate results
in the actual sample interval. This method bending signal waveform, and
make it produce a more realistic regular shape than pure square wave and
pulse. When the sampling frequency is 3 to 5 times the bandwidth frequency
of the system. Recommended Sinx/s interpolation method.
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Figure 15 Display Type Set to Dots
Figure 16 x
Interpolation
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Figure 17 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 intervals 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 18 Acquisition System
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Peak Detect
In this mode, the oscilloscope acquires the maximum and minimum values of the
signal within the sample interval to get the signal's envelope 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 19 Pulse With 0.1% Duty, Normal Mode
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Figure 20 Pulse With 0.1% Duty, Peak Detect Mode
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 and the higher the
vertical resolution will be. Still, 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.
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Figure 21 With Random Noise, Normal Mode
Figure 22 With Random Noise, Average Mode
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Note: “Average” and “ERES” mode use different averaging methods. The
former uses “Waveform Average” and the latter uses “Dot Average”.
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. ERES mode 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 single-shot and repetitive signals and does not slow
waveform updates. 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
sinθ=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)
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If the principal axis of the ellipse is within quadrant I and III, the phase deviation
angle obtained should be within quadrants I and IV, namely within (0 to π/2) or
(3π/2 to 2π). Suppose the principal axis of the ellipse is within quadrant II and IV.
In that case, the phase deviation angle obtained should be within quadrant II and
III, namely within (π/2 to π) or (π to 3π/2).
The X-Y function can be used to measure the phase deviation that 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 the 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 23 SEQUENCE Function Menu
3. Press the Max. Segments 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
Shift and Meter button to enable HISTORY function.
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Figure 24 HISTORY Function Menu
2. Press the List softkey to turn on the list display. The list records the acquisition
time of 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. When
a waveform in the waveform stream meets this condition, the oscilloscope
captures this waveform and the neighboring part and displays them on the
screen. Still, the digital oscilloscope displays waveform continuously no matter
whether it is stably triggered, but only stable trigger can ensure stable display.
The trigger circuit ensures that every time base sweep or acquisition starts from
the input signal and the user-defined trigger condition. 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 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 mentioned above in
detail and tell you how to set the trigger conditions to capture the desired
waveform.
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The contents of this chapter:
Trigger Source
Trigger Mode
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
Press the
Trigger 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 bottom 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.
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Trigger Mode
The SHS800X/SHS1000X’s trigger mode includes auto, normal, single and Force.
Trigger mode affects how 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
before the trigger. Then, the oscilloscope fills the post- trigger buffer and
displays the acquisition memory.
Press the Trigger Setup button and Mode softkey to select the desired trigger
mode.
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, displays the
waveform when the trigger condition is met, and stops.
The Single trigger mode is appropriate when:
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To capture single event or a periodic signal.
To capture burst or other unusual signals.
In the
Force trigger mode, when the trigger condition is not met, it will be
force triggered after the frame is acquired. 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 pressing the
Trigger Level button and turning the Universal Knob.
You can push the Universal Knob to set the level to the waveform's 50% value
immediately. If AC coupling is used, pushing the
Universal 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.
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Note: trigger coupling has nothing to do with the channel coupling.
Trigger Coupling
Press the Trigger Setup button on the front panel to enter the TRIGGER function
menu. 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 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 repetitive waveforms with 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 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 80ns to 1.5s.
1. Press the
Stop button, and then use the Horizontal Position button and the
Horizontal Scale button to find where the waveform repeats. Measure this
time using cursors; then, set the holdoff.
2. Press the Trigger Setup button 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 Trigger 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 25 Turn off the Noise Reject
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Figure 26 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, alternating) and trigger level.
1. Press the
Trigger 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 alternating), and then press down the knob to confirm.
The current trigger slope is displayed at the bottom of the screen.
5. Press the Trigger Level button and turn the Universal Knob to adjust the
trigger level to obtain stable trigger.
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Note: Press the Auto Setup button will set the trigger type to Edge and slope to
rising.
Figure 27 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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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
Trigger 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
press the Trigger Level button and turn the Universal Knob to adjust the
position.
The lower trigger level cannot be upper than the upper trigger level.
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Figure 28 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 input signal's positive or
negative slope time is lower than the specified time value.
>= (greater than a time value): trigger when the input signal's positive or
negative slope time is greater than the specified time value.
[--,--] (within a range of time value):trigger when the input signal's
positive or negative slope time 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 input signal's
positive or negative slope time 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
Trigger 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. Press the Trigger Level button and turn the Universal 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 input signal's positive or
negative pulse time 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 input signal's positive or
negative pulse time 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.
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[--,--] (within a range of time value):trigger when the input signal's
positive or negative pulse time is greater than the specified lower limit of
time and lower than the specified upper limit of time value.
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 input signal's
positive or negative pulse time is greater than the specified upper limit of
time and lower than the specified lower limit of time value.
Figure 29 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
Trigger 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. 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
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(line value)/7
7
(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
Trigger 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
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then turn the universal to select 1 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
Figure 30 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 Trigger 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
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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.
Suppose the upper trigger level is within the waveform amplitude range
while the lower trigger level is out of the waveform amplitude range. In that
case, the oscilloscope will trigger on rising edge only.
Suppose the lower trigger level is within the waveform amplitude range
while the upper trigger level is out of the waveform amplitude range. In that
case, the oscilloscope will trigger on falling edge only.
To set window trigger via Absolute window type:
1. Press the Trigger 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
press the Trigger Level button and turn the Universal Knob to adjust the
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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.
Figure 31 Absolute Window Trigger
To set window trigger via Relative window type:
1. Press the Trigger 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 press the Trigger Level button and turn the Universal Knob to adjust the
position.
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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 Trigger 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 input signal's positive or
negative pulse time is lower than the specified time value.
>= (greater than a time value): trigger when the input signal's positive or
negative pulse time is greater than the specified time value.
[--,--] (within a range of time value):trigger when the input signal's
positive or negative pulse time 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 input signal's
positive or negative pulse time 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
Trigger 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 Knob to select the desired value.
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Figure 34 Edge Dropout Trigger
To set state Dropout trigger:
1. Press the
Trigger 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.
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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 Trigger 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 press the Trigger Level button and 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 Trigger 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 the Source softkey to select channel, and then press the level type
softkey to select Don’t care, 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.
Don’t care 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 Don’t care, the
oscilloscope will not trigger.
Adjust the trigger level for the selected analog channel by pressing the
Trigger Level button and turning the Universal Knob. Don’t care doesn’t
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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.
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 37 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
Shift and Print button to enter the DECODE function menu as Figure
38 shows.
Figure 38 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 39 shows.
Figure 39 I2C SIGNAL 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
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will be interpreted as a start or stop condition (data transitioning while the
clock is high))
7. Press the
softkey to return previous menu.
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
trigger condition (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 an 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. The Data byte
musts don’t have to follow the EEPROM.
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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.
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
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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)
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
Trigger 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 40 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:
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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 Shift and Print→ 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 Configure to turn on or off the read or write bit.
4. Press the List to enter the LIST function menu.
Press the Display and choose the same options as the first step.
Press the Scroll and turn the Universal Knob to view all frames.
Press the Lines and set the number of lines by Universal Knob. The range
of the lines is 1 to 7.
When a packet of data is long, all decoded data are not displayed. Turn
on the Long Data to display the complete data.
Users can export the result list of the package to the external USB storage
device in csv format (only when the USB flash disk is detected). Saving
the data (*.csv) is similar to the operation of setup files, see the section
"External save and recall" for details.
5. Press the Format to change the character encoding format of the decoding’s
result.
6. Press the Copy Setting to enter the COPY function menu to synchronize the
corresponding bus configuration and trigger configuration.
7. Press the Tips Info to turn on or off the decoding limit prompt. When the
decoding frame number reaches the maximum, it will pop up "Decoding to
maximum frame number limitation!"
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.
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Figure 41 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 42 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
Shift and Print 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 SPI by turning Universal Knob.
4. Press the Signal softkey to enter the SIGNAL menu as Figure 43 shows.
Figure 43 SPI 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 44 SPI 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.
d. Press the softkey to return previous menu.
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Figure 45 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 46 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 timeout value, the signal
between the two edges is treated 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.
Table 1 Menu Explanations of the CS Type Parameters
Example:
Connect the data, CLK signals of a SPI bus respectively to C1, C2. Data width =
8-bit, Bit order = MSB, and 12 bytes are transmitted in one frame.
In the SPI trigger signal menu, set the source and threshold of CLK, MISO signals.
Set the CS type to Clock Timeout, the clock idle time between frames is T3, the
clock period is T1, then set the timeout to a value between T1 and T3：
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If the data width is set to be greater than 8 bits (such as 16 bits), the clock idle
time between 8-bit data packets T2, and then set the timeout time to a value
between T1/2+T2 and T3.
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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
Trigger 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 47 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 Shift and Print → Decode. Select one of the options from the Decode1
and Decode2.
2. Press the Configure to set the bit stream format and bits (4-32 bits)
3. Press the Display and select On to display the result of decoding.
4. Press the Configure to set bit order and data length.
5. Press the List to enter the LIST function menu.
Press the Display and choose the same options as the first step.
Press the Scroll and turn the Universal Knob to view all frames.
Press the Lines and set the number of lines by Universal Knob. The range
of the lines is 1 to 7.
Users can export the result list of the package to the external USB storage
device in csv format (only when the USB flash disk is detected). Saving
the data (*.csv) is similar to the operation of setup files, see the section
"External save and recall" for details.
6. Press the Format to change the character encoding format of the decoding’s
result.
7. Press the Copy Setting to enter the COPY function menu to synchronize the
corresponding bus configuration and trigger configuration.
8. Press the Tips Info to turn on or off the decoding limit prompt. When the
decoding frame number reaches the maximum, it will pop up "Decoding to
maximum frame number limitation!"
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.
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Figure 48 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 49 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
Shift and Print 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 UART by turning Universal Knob.
4. Press the Signal softkey to enter the SIGNAL menu as below shows.
Figure 50 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 51 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, Mark,
Space 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
Trigger 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 52 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 a byte is found 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.
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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 Shift and Print → 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 Configure to set the baud rate, data length, parity check, stop bit,
idle level and bit order. Refer to “Setup for UART Signals” to set
parameters.
4. Press the List to enter the LIST function menu.
Press the Display and choose the same options as the first step.
Press the Scroll and turn the Universal Knob to view all frames.
Press the Lines and set the number of lines by Universal Knob. The range
of the lines is 1 to 7.
Users can export the result list of the package to the external USB storage
device in csv format (only when the USB flash disk is detected). Saving
the data (*.csv) is similar to the operation of setup files, see the section
"External save and recall" for details.
5. Press the Format to change the character encoding format of the decoding’s
result.
6. Press the Copy Setting to enter the COPY function menu to synchronize the
corresponding bus configuration and trigger configuration.
7. Press the Tips Info to turn on or off the decoding limit prompt. When the
decoding frame number reaches the maximum, it will pop up "Decoding to
maximum frame number limitation!"
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.
Figure 53 UART Decode Bus Display
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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 54 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
Shift and Print 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 CAN by turning Universal Knob.
4. Press the Signal softkey to enter the SIGNAL menu as below shows.
Figure 55CAN 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 frame with 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
Trigger 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 it convenient for the operation, ID 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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CAN Serial Decode
After completing the setup of can signal and trigger, we will decode CAN signals.
Operation steps as follows.
1. Press Shift and Print → 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 Configure to set the baud rate.
4. Press the List to enter the LIST function menu.
Press the Display and choose the same options as the first step.
Press the Scroll and turn the Universal Knob to view all frames.
Press the Lines and set the number of lines by Universal Knob. The range
of the lines is 1 to 7.
Users can export the result list of the package to the external USB storage
device in csv format (only when the USB flash disk is detected). Saving
the data (*.csv) is similar to the operation of setup files, see the section
"External save and recall" for details.
5. Press the Format to change the character encoding format of the decoding’s
result.
6. Press the Copy Setting to enter the COPY function menu to synchronize the
corresponding bus configuration and trigger configuration.
7. Press the Tips Info to turn on or off the decoding limit prompt. When the
decoding frame number reaches the maximum, it will pop up "Decoding to
maximum frame number limitation!"
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 56 CAN Decode Bus Display
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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.
Figure 57 CAN Decode List Displa
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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, and specifying each input signal's parameters.
1. Press the
Shift and Print 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 below shows.
Figure 58 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 (ID check,
checksum, and sync byte field errors) are detected.
Operation Steps
1. Press the Trigger 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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LIN Serial Decode
After completing the setup of LIN signal and trigger, we will decode LIN signals.
Operation steps as follows.
1. Press Shift and Print → 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 Configure to set the baud rate.
4. Press the List to enter the LIST function menu.
Press the Display and choose the same options as the first step.
Press the Scroll and turn the Universal Knob to view all frames.
Press the Lines and set the number of lines by Universal Knob. The range
of the lines is 1 to 7.
Users can export the result list of the package to the external USB storage
device in csv format (only when the USB flash disk is detected). Saving
the data (*.csv) is similar to the operation of setup files, see the section
"External save and recall" for details.
5. Press the Format to change the character encoding format of the decoding’s
result.
6. Press the Copy Setting to enter the COPY function menu to synchronize the
corresponding bus configuration and trigger configuration.
7. Press the Tips Info to turn on or off the decoding limit prompt. When the
decoding frame number reaches the maximum, it will pop up "Decoding to
maximum frame number limitation!"
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 59 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 60 LIN Decode List Display
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Reference Waveform
The oscilloscope can save the analog channel waveform or math waveform to
the reference waveform position 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
Shift and Hide Menu button on the front panel 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
“Saved to internal file REF*” when the waveform has been saved
successfully.
Display REF Waveform
To the following steps to display REF waveform:
1. Press the Shift and Hide Menu button on the front panel 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 reference waveforms at the same time.
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Adjust REF Waveform
1. Please refer to the “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 when the
reference waveform is saved.
Figure 61 Reference Waveform
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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 the same location to cover it. Or follow the Shift + Cursors → 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, V*A^-1 or V^-1*A
FFT
dBVrms, Vrms, dBm, dBArms, Arms
differential (d/dt)
V*S^-1 or A*S^-1
integral (∫dt)
Wb, C
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 Shift and Measure 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 for math operation. Addition or
Subtraction can be applied between analog channels.
3. Press the Operator softkey and then turn the Universal Knob to select + or - to
make addition or subtraction operation. The resulting math waveform is
displayed in white and labeled with “M”.
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Figure 62 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 Shift and Measure 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 for math operation. Multiplication or
Division can be applied between analog channels.
3. Press the Operator softkey and then turn the Universal Knob to select * or / to
make multiplication or division operation. The resulting math waveform is
displayed in white and labeled with “M”.
Figure 63 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 Shift and Measure 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 64 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 65 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
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and their characteristics. Please read the table below 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
to 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 Screen, Full Screen or Exclusive
display mode.
Split Screen: Time domain waveform and frequency domain waveform
are displayed separately. The time domain waveform is on the upper
half screen, while the frequency domain waveform is located within the
lower half of the display. In Split mode, if Zoom is enabled, the zoom
waveform and the frequency domain waveform are displayed on the
lower half screen together.
Full Screen: Time-domain waveform and frequency-domain waveform
are displayed together.
Exclusive: Only the frequency-domain waveform is displayed.
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 66 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 vertical axis
units can be dBVrms, dBm, Vrms or dBArms, Arms, which use a
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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.
Figure 67 HORIZONTAL Menu
Press the Center softkey, and then turn the Universal Knob to select the
desired center frequency.
Press the Span softkey, and then turn the Universal Knob to select the
desired span 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 68 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 69 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.
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Figure 70 FFT Markers Menu
Press Markers Control softkey to enter MARKER Menu.
Figure 71 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 20 peaks are
supported)
Press the Search Config softkey to enter the SEARCH menu. Similar to the
Search Config for peaks.
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:
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Figure 72 FFT Waveform
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.
Note: please refer to the cursors chapter to obtain the method of using cursors.
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.
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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.
di =
y (i+dx) – y(i)
dx
Where:
d = differential waveform
y = voltage value of data point
i = data point index
dx = point- to- point time difference
The dx option under d/dt math function operation menu indicates data points.
The minimum value is 4, and the unit is points.
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Figure 73 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
Note: Because differentiation is very sensitive to noise, it is helpful to set
acquisition mode to Average.
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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.
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Figure 74 Integral without Offset
Figure 75 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 76 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 button 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 77 Measure Pulse Width
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Measure
The oscilloscope provides measurements of 38 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
Add measurement
Clear measurement
All measurement
Gate measurement
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Type of Measurement
Voltage Measurements
Voltage measurements include 17 kinds of voltage parameter measurements.
Figure 78 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 a 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 79 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 80 Preshoot
15. Level@X: the voltage value between the trigger point and the vertical
position of the channel
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Time Measurements
Time measurements include 11 kinds of time parameter measurements.
Figure 81 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.
4. - Width: Width measured at 50% level and negative slope.
5. Rise Time: Duration of rising edge from 10-90%.
6.
Fall Time: Duration of falling edge from 90-10%.
7. 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.
8. + Duty: Ratio of positive width to period.
9. - Duty: Ratio of negative width to period.
10. Delay：Time from the trigger to the first transition at the 50% crossing.
11. T@L： Time from trigger of each transition at a specific level and slope,
include: Current, Max, Min, Mean, and Std-dev.
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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.
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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Add 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,
which will be arranged according to the selecting order. If add the fifth
measurement parameter, it will delete the first measurement.
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Figure 82 Select the Measurement Parameter
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Figure 83 Added the Measurement
Note: if the parameter does not match the measure condition, it will display as
“****”.
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Clear Measurement
Press the Clear softkey to clear all the measurement parameters that are
displaying on the screen.
All Measurement
All measurement could measure all the voltage and time parameters of the
current measurement source and display the results on the screen.
Figure 84 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.
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3. Press the Source softkey to select the measure source.
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Gate Measurement
The SHS800X/SHS1000X support gate measurement and perform 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 gate A and B positions of the simultaneously
by the
Universal Knob.
Figure 85 Gate Measurement
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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 Grade
Persistence
Clear Display
Grid Type
Intensity
Grid Brightness
Transparence
LCD Light
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Display Type
Press the Display/Persist 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 86 Vectors Display
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Figure 87 Dots Display
Color Grade
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/Persist button on the front panel, and then press the Color Grade 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
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Figure 88 Color Temperature
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, see the
worst-case extremes of varying waveforms, look for timing violations, or
capture events that occur infrequently.
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Figure 89 Persist Set to Infinite
3. When the Persist is On, press the Clear Persist softkey to erase the results of
previous acquisitions from the display. 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.
Clear Display
Press the
Display/Persist 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.
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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.
3 kinds of grid types are available. Select the grid type according to your really
demand.
Display 12X8 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.
Note: Waveform intensity adjustment affects analog channel waveforms only
(not math waveforms, reference waveforms, digital waveforms, etc.).
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Grid Brightness
Do the following steps to adjust the grid brightness:
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 Graticule softkey; and then turn the Universal Knob to select the
desired value. The default value is 20%, 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/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 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%.
LCD Light
Do the following steps to adjust the LCD Light:
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 third page of the Display function
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menu.
3. Press the LCD Light softkey; and then turn the Universal Knob to select the
desired value.
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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 side
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, images 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 “*.xml” format. The stored
settings can be recalled.
2. Reference
The oscilloscope saves the waveform data in “*.REF” format. The data of the
channel is your 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 “*.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 “*.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 “*.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 “*.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 “*.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 Param Save option to On or Off to turn on
the parameters storage function.
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8. Matlab
The oscilloscope saves the waveform data 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.
10. FileConverter
The mini tool converts stored binary files to CSV format for viewing with a
spreadsheet program. It supports for file of waveform data (*.bin), file of sample
logger(*.slg) and file of measure logger (*.mlg) to convert.
This is ideal when collecting large datasets. For a waveform frame with deep
memory such as 12 Mpts, to save directly as a CSV file will take long time and will
occupy a large amount of memory on a USB storage device. It’s recommended to
save the data as binary file and then convert it to CSV file on a computer.
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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
In the following part, the internal save and recall method and procedures are
introduced.
Save the specified oscilloscope setting to internal memory.
1. Connect the signal to the oscilloscope and obtain stable display.
2. Press Shift and Cursors button on the front panel to enter the
SAVE/RECALL function menu.
3. Press the Save softkey to enter the SAVE function menu.
4. Press the Type softkey, turn the Universal Knob to select Setups; and
then press the knob to confirm.
5. Press the Press to Save softkey to enter the disk manager, enter the
“local” directory, and press the Press to Save softkey to save the
current setup.
Load the specified type of file from internal memory.
If want to recall the setup after having finished the steps above, please do
the following steps:
1. Press the Recall softkey enter the RECALLING function menu.
2. Press the Type softkey and then turn the Universal Knob to select Setups;
and then press the knob to confirm.
3. Press the Press to Recall softkey to enter the disk manager, recall the
current setup form the appointed location. After a few seconds, it will
pop-up the message “Recalled file successfully!”
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, images and CSV are not supported.
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Save the specified type of file to the external USB flash device.
1. Press the
Shift and Cursor 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 Setups and then press the knob to
confirm.
4. Press the Press to Save softkey to enter the disk manager.
Figure 90 SAVE/RECALL File System
5. 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.
6. After selecting the save position, press 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.
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Figure 91 File Name Dialogue
7. Press the Press to Save softkey to save the current setup to the external
USB storage device.
Load the specified type of file from the external USB storage device.
1. Press the Shift and Cursor 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 Setups or Reference.
4. Press the Press to Recall softkey to enter the disk manager.
5. Turn the Universal Knob to select the file to be recalled, press the Press to
Recall softkey to recall the reference waveform or setup.
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Disk Management
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
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 “SHS1000X_TEST”
1. Press the
Shift and Cursors 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.
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 figure below. It
divides into two parts: name input area and keyboard area.
Figure 92 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
1. Press the
Shift and Cursors 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.
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
Only files of the corresponding type format can be renamed.
1. Press the Shift and Cursors 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.
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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System Setting
This function module supports the oscilloscope’s system-related function, such as
system status, language, sound, and other advanced settings, 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
Update Firmware and configuration
Do self-Test
Screen Saver
Date/Time
Reference Position
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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 93 System Status
3. Press the
F5 button on the front panel to exit.
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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 environment temperature
change is up to or more than 5 ℃. Ensure 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 94 Do Self Cal
3. Press the
F5 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 exit”. 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
to 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 turn the sound on or off.
Language
The oscilloscope supports multiple language menu, Chinese/English help and
prompt messages.
1. Press the 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 currently available languages are Simplified Chinese, Traditional Chinese,
English, French, German, Spanish, Russian, Italian, and Portuguese.
Update Firmware and Configuration
The firmware and configuration can be updated directly via USB flash driver.
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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 side 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 third page of the UTILITY function
menu.
4. Press the Update softkey to enter the UPDATE function menu.
5. Press the Firmware softkey to open the file manager.
6. Turn the Universal Knob to select the update file with an ADS postfix; and
then press the Press to Update softkey to start updating the firmware. The
process needs about 4 minutes. And during the update, do not remove
power to the oscilloscope, otherwise the oscilloscope may be permanently
damaged and may not restart again.
7. After the update, the screen will pop-out the message “
Firmware
decompressed. Please restart and wait…”.
8. 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 side 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 third page of the UTILITY function
menu.
4. Press the Update softkey to enter the UPDATE function menu.
5. Press the Configure softkey to open the file manager.
6. 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.
7. After the update, the screen will pop-out the message “Firmware
decompressed. Please restart and wait…”
8. 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 third page of the UTILITY function
menu.
3. Press the Do Self Test softkey to enter the SELFTEST function menu.
4. Press the Screen Test softkey to enter the screen test interface, as the figure
shown below, the screen display pure red.
Figure 95 Screen Test
5. Press the
F5 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.
6. 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 third page of the UTILITY function
menu.
3. Press the Do Self Test softkey to enter the SELFTEST function menu.
4. Press the Keyboard Test softkey to enter the keyboard test interface, as the
picture shown below.
Figure 96 Keyboard Test
5. To perform the knobs and the buttons test.
6. 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.
7. Keys test: the first time pressing the key to light it up, and a second pressing
to die out. Test every button randomly.
8. Press the
Run/Stop button 3 times to exit the keyboard test program.
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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 third page of the UTILITY function
menu.
3. Press the Do Self Test softkey to enter the SELFTEST function menu.
4. Press the LED Test softkey to enter the keyboard test interface, as the picture
shown below.
Figure 97 LED Test
5. According to the prompting information displaying on the screen, press the
F5 button continually to light the button lights one by one. The first time to
light the Run/Stop button， it displays as yellow, and the second press the
Run/Stop button displays as red. At last all the lights will be lighted at the
same time.
6. 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 third page of the UTILITY function
menu.
3. 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 98 Screen Saver Interface
4. Press the any button on the front to exit the screen saver program.
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Date/Time
SHS800X/SHS1000X supports setting date and time. After restarting the
oscilloscope, you need to reset the system time.
1 Press Utility → NextPage2/3 → Date/Time to enter the DATA/TIME function
menu.
2 Press the Display softkey to select On to display the date and time.
Figure 99 Date/Time Function Interface
Set Date/Time
Press the Date/Time softkey to enter the Data/Time setting menu. Press the Date
softkey and press the Universal Knob to select year, month or day, then rotate the
Universal Knob to change value. Modifying the time is similar to the date.
Figure 100 Setting Date/Time
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Set Time Zone
1 Press the Time Zone softkey to enter the Time Zone function menu, and pop
up time zone page.
2 Rotate the Universal Knob to select the time zone.
3 Press the Confirm softkey to confirm the selection.
Figure 101 Time Zone Setting Interface
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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: The oscilloscope will keep the vertical offset level indicator
stationary when the vertical gain is changed.
Fixed offset: The oscilloscope will have the vertical offset level indicator move
with the actual voltage level when the vertical gain is changed.
Press the Horizontal softkey to select Fixed Delay or Fixed Position.
Fixed Position: when the timebase changes, the oscilloscope will keep the
horizontal offset indicator stationary.
Fixed Delay: when the timebase changes, the oscilloscope will have the
horizontal offset indicator move with the trigger point.
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Search
SHS800X/SHS1000X provides search function. This function can search for the
events that users specify in the acquired data, the results are displayed with
black triangle symbol. In the YT mode or the Roll mode with the acquisition in
stop, the maximum search events number is 600. 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
Shift and Scope 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. SHS800X/SHS1000X provides five search types: Edge, Slope,
Pulse, Interval and Runt.
Figure 102 Search Menu
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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
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 the Copy Setting 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 the Thresholds softkey to enter THRESHOLDS function menu, then, to
set channel search thresholds.
Results
When the acquisition is started, “EVENT NUM: 7” means total events number.
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Figure 103 Search in Run
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.
Figure 104 Search in Stop
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Navigate
SHS800X/SHS1000X provides three navigate type: Search Event, Time, History
Frame.
Time Navigate
1. Press the Shift and Recorder button 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 softkeys to play backward, stop, or play forward in
time. You can press the or key multiple times to speed up the
playback. There are three speed levels: Low Speed, Medium Speed, and
High Speed.
History Frame Navigate
You can use the navigation controls to play through the acquired frames when
the History function is enabled.
1. Press the Shift and Recorder button on the front panel to enter the NAVIGATE
function menu.
2. Press the Type softkey in the Navigate Menu, then select History Frame.
3. Press the Frame Num softkey, 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 softkeys 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 Shift and Recorder button on the front panel to enter the NAVIGATE
function menu.
2. Press the Type softkey in the NAVIGATE function menu, then select Search
Event.
3. There are two ways to navigate search events.
a. Press the Event Num 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 softkeys
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
Shift and Meter 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 Shift and Meter button again 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 105 History
3. Press the Frame No. softkey; then turn the Universal Knob to select the frame
to display.
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The Frame format is A/B; A is the frames number that displays 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 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.
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.
Meter
This chapter provides a step-by-step introduction to the multimeter functions of
SHS800X/SHS1000X Handheld Digital Oscilloscope. The introduction gives basic
examples to show how to use the menus and perform basic operations.
The digital multimeter provides the following measurements: DC voltage, AC
voltage, resistance, diode, continuity, capacitance, DC current, and AC current.
Press the Meter button to enter the Meter function menu.
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No.
Description
No.
Description
1
Range of the multimeter
4
Relative value
2
Bar graph displaying the
measured value
5
Measurement type
3
Reading value
6
Measurement mode
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DCV/ACV
The Multimeter enables to measure voltage according to the measurement catalog.
When applied in CATII, the maximum input voltage is 1000VDC/ 750VAC for the
SHS1000X series. When applied in CATIII, the maximum input voltage is 600VDC/
VAC for the SHS1000X series.
When applied in CATII, the maximum input voltage is 600VDC/ VAC for the SHS800X
series. When applied in CATIII, the maximum input voltage is 300VDC/ VAC for the
SHS800X series.
The method to connect and measure DC/AC Voltage will be introduced in details as
the following steps:
1. Press Meter to enter multimeter mode, press the F1 softkey to choose DCV, ACV
measurement.
2. Insert the red probe to the V.Ω.C banana jack input and the black probe to the
COM. Connect the other end of probes to the power or load to be measured.
3. Activate or deactivates the relative measurement according to the real demand.
4. Choose Manual or Auto range according to the real demand. If you are in
manual range mode, press the F4 softkey to adjust the measurement range, or
press the middle button of the universal knob to quickly switch the range.
5. Read voltage value.
6. Press the Run/Stop button to stop the meter measurement. The status
“HOLD”is displayed on the upper left of the screen. Press the Run/Stop
button again to continue the measurement.
DC Voltage Measurement
AC Voltage Measurement
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Table 3-1 DC and AC Function Menu
Option
Setting
Description
Relative
On
Save the current input value as a
reference and record again. Real value
equals relative value plus measurement
value
Off
Real value equals measurement value
Mode
Auto(V/mV)
Choose the best measurement scale
automatically
Manual(V/mV)
Choose measurement scale manually
Range
60mV
600mV
In manual mode, choose measurement
scale manually and there will be a
warring when over the scale.
600mV
6V
60V
600V
1000V
Measure
Logger
On
Plot with the measurements according to
time. See the “Measure Logger” section
of the “Recorder” for the details.
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Resistance
The method to test resistance will be introduced in details as the following steps.
1. Press Meter to enter multimeter mode, press the F1 softkey to choose Res.
measurement.
2. Insert the red probe to the V.Ω.C banana jack input and the black probe to the
COM. Connect the other end of probes to the power or load to be measured.
3. Activate or deactivates the relative measurement according to the real demand.
4. Choose Manual or Auto range according to the real demand. If you are in
manual range mode, press the F4 softkey to adjust the measurement range, or
press the middle button of the universal knob to quickly switch the range.
5. Read resistance value.
6. Press the Run/Stop button to stop the meter measurement. The status
“HOLD”is displayed on the upper left of the screen. Press the Run/Stop
button again to continue the measurement.
Figure 106 Resistance Measurement
Note: When measuring resistant, please make sure that the circuit is power off
and the capacitance is discharged to avoid damage to the SHS800X/SHS1000X.
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Diode
The method to test Diode will be introduced in details as the following steps.
1. Press Meter to enter multimeter mode, press the F1 softkey to choose Diode
measurement.
2. Insert the red probe to the V.Ω.C banana jack input and the black probe to the
COM. Connect the other end of probes to the diode to be measured.
Figure 107 Diode Measurement
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Continuity
Continuity test uses double leads method to measure the resistance of the
measured circuit via about 0.2mA current. When the measured resistance in circuit
is lower than the selected one, it is considered being connected with instrument.
The method to test continuity will be introduced in details as the following steps.
1. Press Meter to enter multimeter mode, press the F1 softkey to choose Continuity
measurement.
2. Insert the red probe to the
V.Ω.C banana jack input and the black probe to the
COM. Connect the other end of probes to the object to be measured.
3. When the measured object is under 50Ω, the multimeter will alarm and read
value.
4. When the measured object is above 50Ω, the multimeter will not alarm but read
value.
Figure 108 Continuity Measurement
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Capacitance
The Multimeter enables to measure Capacitance up to 400μF. The method to
measure capacitance will be introduced in details as the following steps.
1. Press Meter to enter multimeter mode, press the F1 softkey to choose Cap.
measurement.
2. Insert the red probe to the V.Ω.C banana jack input and the black probe to the
COM. Connect the other end of probes to the measured object.
3. Activate or deactivates the relative measurement according to the real demand.
4. Read measurement value.
Figure 109 Capacitance Measurement
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DCI/ACI
The Multimeter enables to measure DC/AC Current up to 10A by using the accessory
SCD10A. The Multimeter enables to measure DC/AC Current up to 600mA by using
the accessory SCD600MA .
When using the above two accessories, the voltage of the measured circuit shall
not exceed 60VDC/ VAC.
SCD10A
SCD600MA
The method to measure DC/AC Current will be introduced in details as the following
steps.
1. Press Meter to enter multimeter mode, press the F1 softkey to choose DCI/ACI
measurement.
2. Insert the SCD10A/SCD600MA to the Multimeter inputs.
3. Insert the red probe to the “+” banana jack input and the black probe to the
“-” banana jack input. Connect the other end of probes to the power or load
to be measured in series.
4. Activate or deactivates the
relative measurement according to the real demand.
5. Choose Manual or Auto range according to the real demand. If you are in
manual range mode, press the F4 softkey to adjust the measurement range, or
press the middle button of the universal knob to quickly switch the range.
6. Read current value.
7. Press the Run/Stop button to stop the meter measurement. The status
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“HOLD”is displayed on the upper left of the screen. Press the Run/Stop button
again to continue the measurement.
DC Current Measurement
AC Current Measurement
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Recorder
SHS800X/SHS1000X supports Sample logger and Measure logger, which can record
waveform data and measurement value.
Press the
Recorder button to enter the RECORDER function menu.
Figure 110 Recorder Menu
Sample Logger
The Sample logger can record the original waveform points in real time at equal
intervals to realize the long-time observation of low-speed signals. The recorded
data can be stored in the internal or external storage device in real time. After
stopping recording, users can replay the waveform on the oscilloscope, also can
export the recorded data and then analyze on the PC.
Press the Sample Logger softkey to enter the sample logger interface. At this time,
all the buttons on the front panel will not respond (except for the menu softkey,
Meter, Scope, Hide Menu and Universal Knob). Press the Exit softkey to exit the
sample logger.
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Figure 111 Sample Logger Interface
No.
Description
1
Recorded waveform
2
Record status（Run/Stop）
3
Horizontal scale
4
Recorded time
5
Remaining recordable time
6
Storage location
7
Sample rate and recorded points of waveform
8
Start time
Record Waveform
1 Press the Record softkey to enter the RECORD function menu.
2 Press the Setting softkey to enter the SETTINGS function menu. Press the Rate
softkey to set the sampling rate of the waveform. Press the Record to softkey to
set the storage location of the recorded data:
Internal: Record the data to internal, the last recorded internal data will be
overwritten. Please confirm the operation when start to record.
External: Record the data to external storage device, and set the external
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storage path.
Figure 112 Settings Interface
3 Press the Return softkey to return to the RECORD function menu.
4 Press the Start softkey to start to record, and the record status in the top
information bar is displayed as "Run".
Figure 113 Start Recording Waveform
5 Press the Stop softkey to stop recording, and the record status in the top
information bar is displayed as "Stop", the data is automatically stored in the
storage location.
6 Press the Recall softkey to look back and analyze the waveform.
Recall Recorded Waveform
1 Press the Recall softkey to enter the RECALL function menu.
Note: When recording to external, the waveform data will be stored to the
external in real time. Please do not pull out the U disk during the recording
process!
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2 Press the Recall from softkey to select the storage path.
3 Press the Press to Recall softkey to recall the recorded waveform data and
enter the CONTROL menu automatically.
Display Control
1 Press the Horizontal Ref softkey to set the horizontal reference position.
2 Press the Horizontal Scale button to zoom the waveform with the horizontal
reference as the center. Press the Horizontal Position button to move the
waveform.
3 Press the View all softkey to return to the initial configuration to view all
waveforms.
4 After recalling the waveform, press the
Cursors button to turn on the cursor
function to measure and analyze the waveform on the screen. Please refer to
the chapter "错误!未找到引用源。" for operation.
Figure 114 View Recorded Waveform
Manage Internal Record
1 Press the Manage softkey to enter the MANAGE function menu.
2 Press the Export Internal Data softkey to export the internal record to the
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external storage device. See the chapter "Save and Recall" for operation. The
file format (*.slg) is described in detail in the document "How to Extract Data
from the Binary File.docx". Please download from SIGLENT website. The
oscilloscope provides a tool named fileconverter to convert the waveform file
(*.slg) to CSV format. You can download it from the Save/Recall menu.
3 Press the Delete Internal Data softkey to delete the internal record.
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Measure Logger
The Measure logger can record the measured value of waveform in real time to
realize the long-time measurement trend observation of low-speed signal. The
measurement data is recorded in the internal, and can be stored to the internal or
external storage device after stopping recording. It can support up to 4 traces of
data at the same time.
Turn on the measure function under the scope interface, add measurement items,
then press Recorder →Measured Logger to turn on the measure logger; Press the
Exit softkey to exit the measure logger.
Figure 115 Measure Logger Interface
No.
Description
1
Record trace
2
Record status（Run/Stop）
3
[Auto/Manual] Horizontal scale
4
[Auto/Manual] Time value of the first point (centered on horizontal
reference position)
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5
Horizontal reference position
6
Remaining recordable time, Recording interval, Number of recorded
points
7
Used memory
8
Recorded time
9
Start time
10
The current value of measurement items
11
Upper and lower scale of the trace
Start/Stop Recording
1 Press the Setting softkey to enter the SETTINGS function menu. Set record
interval, record trace and the corresponding measurement item.
Figure 116 Settings Interface
2 After setting, press the Return softkey to return to the previous menu.
3 Press the Start softkey to start to record, the record status in the top
information bar is displayed as "Run". During the recording process, the
measure logger automatically adjusts the horizontal scale to show the trace.
Users also can turn the Horizontal Scale/Position button to enter the manual
mode to zoom and move the recording trace.
Figure 117 Start to Record Measurement Data
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4 Press the Stop softkey to stop recording, the record status in the top
information bar is displayed as "Stop".
Display Control
1 Press the Display softkey to enter the DISPLAY settings menu.
2 Press the Vertical Scale softkey and turn the Universal Knob to set the vertical
scale of the trace. Users can also adjust the scale through the vertical scale
button of the channel (mV or V) on the front panel.
3 Press the Horizontal softkey to enter the horizontal display settings menu.
Users can zoom and move the logger trace and set the horizontal reference
position. Press the Auto Set softkey to recover the default state.
4 Press the Display softkey and select All, all traces are displayed in the
waveform area. When a trace is selected, only the selected trace is displayed in
the waveform area. Press the channel button corresponding to the trace to
switch all/individual display.
All Traces Display
Single Trace Display
5 Press the Cursors softkey to enter the cursors function menu. Move the cursor to
obtain the measured value of each point.
a. Press the Status softkey and select ON to turn on the function. Users also
can press the Cursors button to turn on it.
b. Press the Select softkey to select the cursor T1, T2 or T1-T2.
c. Press the Strategy softkey to choose the behavior of cursors when
horizontal scale or position is changed.
Fixed Position: cursors remain fixed to the grid position on the display
Fixed Time: the value of cursors remain fixed.
d. Press the Track Mode softkey to select the track mode of T-Cursors.
Normal: Track the data at the time of T-Cursors
Maximum: Track the maximum value of the data within a pixel where
T-Cursors are located.
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Average: Track the average value of the data within a pixel where
T-Cursors are located.
Minimum: Track the minimum value of the data within a pixel where
T-Cursors are located.
Peak: Track the data with the maximum deviation from the overall
average value in a pixel where T-Cursors are located. When two
cursors are at the same position, T1 will track the maximum value and
T2 will track the minimum value.
Figure 118 Cursors of Measure Logger
Storage Measurement Record
1 Press the Save/Recall softkey to enter the SAVE/RECALL function menu.
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Figure 119 Save/Recall of Measure Logger
2 Press the Save softkey to enter the SAVE menu.
Figure 120 Save of Measure Logger
3 Press the Save to softkey to select where to store.
Internal: The measurement data will be saved in binary data format, and
the last data stored internally will be overwritten.
External: The measurement data can be saved as binary data(*.mlg), CSV
data or MATLAB data
4 Press the Press to Save softkey to save.
Recall Measurement Record
1 Press Save/Recall → Recall to enter the RECALL function menu.
2 Press the Recall from softkey to select where to recall. Only binary files can be
recalled from internal; while binary files or MATLAB files can be recalled from
external. If the current data is not saved, it will be covered by the recalled the
data.
3 Press the Press to Recall softkey to recall.
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Manage Internal Record
Export or delete the internal record, it is similar to "Manage Internal Record" of
Sample Logger.
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Factory Setup
Press
Shift and Save/Recall button to enter the save/recall function menu, then
press Save menu select To Default Key and save the type to Factory Setup. Then
press the Default button on the front panel to set the oscilloscope to the leave
factory setup. Another way is press Shift and Save/Recall button, 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
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“Single” and whether the trigger level exceeds the waveform range. If yes,
set the trigger level 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 ensure whether the USB device setting 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.
9. The multimeter measurements aren’t correct:
1) Check that if the range of the SHS800X/SHS1000X matches with the
measured item.
2) Make sure that if the multimeter is beyond the calibration date. If the
measurements and real values are beyond the relevant precision, please
contact the calibration site warranted by the SIGLENT company to calibrate
the SHS800X/SHS1000X.
3) If you can’t use the SHS800X/SHS1000X normally all the same, please
contact
SIGLENT.
SHS800X&SHS1000X User Manual
1
WWW.SIGLENT.COM
SHS800X/SHS1000X
Handheld Digital
Oscilloscope
