Trigger Source; Video Trigger Level - HP ESA-E Series Programmer's Manual

Language Reference
TRIGger Subsystem

Trigger Source

:TRIGger[:SEQuence]:SOURce IMMediate|VIDeo|LINE|EXTernal
:TRIGger[:SEQuence]:SOURce?
Specifies the source (or type) of triggering used to start a measurement.
Immediate is free-run triggering
Video triggers on the video signal level
Line triggers on the power line signal
External allows you to connect an external trigger source
Factory Preset
and *RST: Immediate
Front Panel
Access:
Trig, Free Run
Trig, Video
Trig, Line
Trig, External Pos Neg

Video Trigger Level

:TRIGger[:SEQuence]:VIDeo:LEVel <amplitude>
:TRIGger[:SEQuence]:VIDeo:LEVel?
Specifies the level at which a video trigger will occur.
Factory Preset
and *RST: 2.5 divisions below reference level
Range: 10 display divisions below reference level to reference
level
Default Unit: current active units
Front Panel
Access:
Trig, Video
5-130 Chapter 5