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Video Triggering
With Video triggering selected, the oscilloscope performs NTSC, PAL or SECAM
standard video signal field and line triggering.
The user can view a screen that looks similar to the following Figures 39 & 40.
The Video triggering menu is described in the following table.
Function
menu
Polarity
Signal source
SYNC
Figure 39: Video Field Trigger
Figure 40: Video Line trigger
Settings
Description
Normal
Applicable to the video signal in which the black level
is low level.
Invert
Applicable to the video signal of which the black level
is high level.
CH1
Select CH1 as the trigger source.
CH2
Select CH2 as the trigger source.
Line
Make a video line trigger synchronization setting
Field
Make a video field trigger synchronization setting.
36
MS400 Version 2.0 – December 2007
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