Specifications

To use line triggering
•
Press
Source
. Then select
Line
.
To use TV triggering
1
Press
Source
. Select
1
or
2
for the Trigger Source channel.
2
Press
Slope/Glitch
. Then select
TV
.
3
Select
TV Menu
.
4
Select positive or negative polarity.
5
Select the TV mode.
•
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.
Triggering HP 54645A/D Oscilloscopes
To use line triggering
3-10