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4.Advanced User Guidebook
31
Video Trigger menu list:
Menu
Setting
Instruction
Single
Video
Set vertical channel trigger type as video trigger
Source
CH1
CH2
Select CH1 as the trigger source
Select CH2 as the trigger source
Modu
NTSC
PAL
SECAM
Select video modulation
Sync
Line
Field
Odd
Even
Line NO.
Synchronic trigger in video line
Synchronic trigger in video field
Synchronic trigger in video odd filed
Synchronic trigger in video even field
Synchronic trigger in designed video line, click or
to set the line number
Mode
Holdoff
Auto
Acquire waveform even no trigger occurred
3. 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.
In Pulse Width Trigger mode, the trigger setting information is displayed on
bottom right of the screen, for example, , indicates that
trigger type is pulse width, trigger source is CH1, coupling is DC, polarity is
positive, and trigger level is 0.00mV.
Pulse Width Trigger menu list:
Menu
Setting
Instruction
Single
Pulse
Set vertical channel trigger type as pulse trigger.
Source
CH1
CH2
Select CH1 as the trigger source
Select CH2 as the trigger source
Coupling
AC
DC
Not allow DC portion to pass.
Allow all portion pass.
when
Polarity
Choose the polarity
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