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Pulse Trigger
•
When the pulse width of the trigger signal reaches a preset trigger condition, trigger
occurs.
•
Pulse trigger means determining the triggering time based on the pulse width. You
can acquire abnormal pulse by setting the pulse width condition.
Function
Trigger
Trigger
source
Trigger
mode
Trigger
setup
Trigger
coupling
Pulse
40ns – 6.40s
width
Pulse width
Pulse
condition
width
setup
Pulse width
polarity
Video trigger : Carry out field or line trigger with NTSC or PAL standard video signals.
Functions Menu
Trigger
Trigger source
Standard trigger
Synchronisation
•
When PAL is selected for standard format and
synchronization mode is "specified line", you will see
a screen display as shown.
Setup
Pulse
A
B
Alternate
Auto
Normal
Single
AC
DC
H/F Reject
L/F Reject
=
<
>
Positive
Negative
Setup
Video
A
B
Alternate
PAL
NTSC
All lines
Specified lines
Odd field
Even field
Explanation
Set edge as the trigger type.
Set Channel A as the signal source trigger signal.
Set Channel B as the signal source trigger signal.
A and B trigger their individual signals alternately.
Set to acquire waveform only if no trigger is detected.
Set to acquire waveform only if trigger condition is satisfied.
Set to acquire one waveform when one trigger is detected,
then stop.
Intercept AC and DC quantities of the input signal.
Intercept DC quantities of the input signal.
Suppress low frequency quantities below 80kHz of the signal.
Suppress high frequency quantities above 80kHz of the signal.
Set pulse width with the jog dial.
Trigger occurs when pulse width equals to the set value.
Trigger occurs when pulse width is smaller than the set value.
Trigger occurs when pulse width is larger than the set value.
Set the positive pulse width as the trigger signal.
Set the negative pulse width as the trigger signal.
Set video trigger as trigger type.
Set A as the signal source trigger signal.
Set B as the signal source trigger signal.
A and B trigger their individual signals respectively.
Suitable for PAL video signals.
Suitable for NTSC video signals
Set the TV line to synchronize with trigger.
Set synchronized trigger on the specified line and
adjust with the jog dial.
Set the video odd field to synchronized trigger.
Set the video even field to synchronized trigger.
10
Notes
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