To Use Line Triggering; To Use Tv Triggering - HP 54645A User's And Service Manual

Triggering HP 54645A/D Oscilloscopes

To use line triggering

To use line triggering
Press . Then select
Source

To use TV triggering

Press . Select
1
Source
Press
2
Slope/Glitch
Select
3 TV Menu.
Select positive or negative polarity.
4
Select the TV mode.
5
Pressing Field 1 triggers on the video signal field 1 portion (odd fields).
Pressing Field 2 triggers on the video signal field 2 portion (even fields).
Pressing Line triggers on the start of the first line that occurs after the
scope starts.
Pressing Vertical provides vertical triggering—at the beginning of both
Field 1 and Field 2.
3-10
Line.
1 or 2 for the Trigger Source channel.
. Then select TV.