SIGLENT SSA5083A, User Manual, Page: 145 / 260

User Manual 115
4.5 Trigger
The trigger type can be PvT, frequency template trigger (FMT), Free Run and External.
Command format :TRIGger[:SEQuence]:SOURce IMMediate|PVT|EXTernal
:TRIGger[:SEQuence]:SOURce?
Instructions Setting the Trigger Type
Get trigger type
Parameter type Enumeration
Parameter Range IMMediate: Free to trigger
PVT: pvttrigger
EXTernal:external trigger
Return Enumeration ： IMM| PVT |EXT
Example :TRIGger:SOURce IMMediate
4.5.1 Free Run
Trigger conditions are met at any time, which means trigger signals are generated continuously.
4.5.2 PvT
When the detected video signal voltage exceeds the PvT trigger level, a trigger signal is
generated.
4.5.2.1
Trigger Level
Set the trigger level when PVT is triggered. The trigger level line TL and the value of the trigger
level will be displayed on the screen.
Command format :TRIGger[:SEQuence]:LEVel:LEVel
:TRIGger[:SEQuence]:LEVel:LEVel?
Instructions Set the PVT trigger level
Gets the PVT trigger level
Parameter type Float
，
unit dB m
Parameter Range
-
300dBm ~ 50dBm
Return Float