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41
Pulse Width Trigger
Pulse trigger occurs according to the width of pulse. The abnormal signals can be detected
through setting up the pulse width condition.
The Pulse Width Trigger Menu is shown as Fig. 5-21.
Fig. 5-21 Pulse Width Trigger menu
Pulse Width Trigger menu list
MENU
SETTING
INSTRUCTION
Source
CH1
CH2
Channel 1 as the trigger source.
Channel 2 as the trigger source.
Mode
Pulse
when
(+pulse width less than )
(+pulse width more than )
(+Pulse width equal to)
(-Pulse width less than)
(-Pulse width more than)
(-Pulse width equal to)
To select pulse width condition
Time setting
24ns~10s
Turn "TRIG LEVEL" knob to set time
Trigger
mode
Auto
Normal
Single
Acquire waveform whatever detect
trigger condition or not
Only acquire waveform when match
trigger condition
Only acquire waveform for single time
when detect trigger condition then stop
Coupling
AC
DC
HF
LF
Block the direct current component.
Unblock all components.
Block the high-frequency signal and only
unblock the low-frequency component.
Block the low-frequency signal and only
unblock the high -frequency component.
Holdoff 100ns～10s
Set interval by using TRIG LEVEL
control, value range from 100ns
～
10s.
Holdoff
Reset
Reset hold time to 100ns
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