HP 54645A - To Trigger on a Specific Field of the Video Signal

To trigger on a specific field of the video signal
To examine the components of a video signal, trigger on either Field 1 or
Field 2. When a specific field is selected, the oscilloscope triggers on the
rising edge of the first serration pulse in the vertical sync interval in the
specified field (1 or 2).
1
Select the TV display, TV as the trigger mode, and the appropriate
TV standard as described in the section, “To autoscale on a video
signal.”
2
Press
Slope/Glitch
in the
TRIGGER
section of the front panel,
then press the
TV
and
TV Menu
softkeys. Press
Field 1
or
Field 2
.
Triggering on Field 1
Serration pulses
Equalizing pulses
Figure 6-3
Using Option 005 Enhanced TV/Video Trigger (HP 54645A)
To trigger on a specific field of the video signal
6-8