Video Trigger - UNI-T UTD2000 Series User Manual

4.3 Video trigger

UTD2025CL support video trigger compactable to NTSC or PAL standard video
signals. (Only UTD2025CL have such functions)
Trigger coupling will automatic preset to DC coupling if the video trigger is active.
Video trigger menus are shown in the table below:
Tabel 4-4 Video trigger menu
Function
Setting
Menu
Type Viedo
CH1
CH2
Source EXT
AC Line
Alter
PAL
Standards
NTSC
All line
Lines
Sync
Even field
Odd field
Figure 4-1 is an example screen display when PAL video trigger model is selected as
standard and synchronization mode is All line synchronization.
Figure 4-2 is an example screen display when PAL video trigger model is selected as
standard and synchronization mode is set to field synchronization.
Description
Set CH1 as the triggering signal source
Set CH2 as the triggering signal source
Set external trigger input channel as the triggering signal source
Set AC power line as trigger source
Set to Alternative trigger between CH1 and CH2 as signal source
Select to PAL video standard
Select to NTSC video standard
Set trigger synchronize to video line.
Set the video to sync and trigger on specific lines
Set the video to sync and trigger on even field
Set the video to sync and trigger on odd field
Figure 4-1 Video Trigger: Line Synchronization
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UTD2000 Series User Manual