Owon TAO3000 Series User Manual page 37

Single Video
CH1
CH2
Source
CH3
CH4
NTSC
Modu PAL
SECAM
Line
Field
Odd
Sync
Even
Line NO.
Mode
Auto
Holdoff
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,
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
Single Pulse
Source
Coupling
Polarity
when
4.Advanced User Guidebook
Set vertical channel trigger type as video trigger
Select CH1 as the trigger source
Select CH2 as the trigger source
Select CH3 as the trigger source
Select CH4 as the trigger source
Select video modulation
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
to set the line number
Acquire waveform even no trigger occurred
Instruction
Set vertical channel trigger type as pulse trigger.
CH1 Select CH1 as the trigger source
CH2 Select CH2 as the trigger source
CH3 Select CH3 as the trigger source
CH4 Select CH4 as the trigger source
AC Not allow DC portion to pass.
DC Allow all portion pass.
Choose the polarity
31
or
, indicates that