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User Manual 31
synchronization Src.
You can synchronize periodic signals with external events (using periodic synchronization Src) to
get closer to a reliable trigger signal.
If the synchronization source is not selected (off state), the internal timer will not synchronize with
any external timed events.
Command format :TRIGger[:SEQuence]:SOURce
:TRIGger[:SEQuence]:SOURce?
Instructions sets the trigger source.
gets the trigger source.
Parameter Type Enumeration
Parameter Range "IMMediate ", "VIDeo ", "EXTernal ","FRAMe"
Return "IMM", "VID", "EXT" ,"FRAMe"
Example :TRIGger:SOURce VID
3.5.2 Trigger Level
Sets the amplitude level for the video trigger (absolute level only supported). When the video
signal crosses the voltage level with the selected slope, it is triggered.
Command format :TRIGger[:SEQuence]: {type}:LEVel
:TRIGger[:SEQuence]: {type}:LEVel?
Instructions sets the trigger level.
gets the trigger level.
{type}: "VIDeo", "EXTernal"
Parameter Type Float
Parameter Range
-
300~50dB
Return Float
Example :TRIGger:VIDeo:LEVel -20
3.5.3 Trigger Slope
Set the trigger polarity for external trigger, video trigger. The options are rising edge trigger and
falling edge trigger.
The same trigger source uses the same trigger edge for both gating and triggering.