7. Press Coupling repeatedly to
select the trigger coupling,
DC or AC.
8. Press Rejection to select the
frequency rejection mode.
9. Press Noise Rej to turn the
noise rejection on or off.
10. Press Previous menu to go
back to the previous menu.
Configuring the video trigger
1. Press the Trigger menu key.
2. Press Type repeatedly to
select video trigger. The
video trigger indicator
appears at the bottom of the
display.
3. Press Source repeatedly to
select the trigger source
channel.