Trigger[1]|2:Source Bus|External|Hold|Immediate|Internal[[1]|2 - Keysight Technologies EPM-P Series Programming Manual

Query
TRIGger:SOURce?
The query returns the current trigger source, either IMM, BUS or HOLD.
Query example
Error messages
– For dual channel power meters: if the master is changed to IMM, BUS or HOLD,
– If the source is changed to INT1, INT2 or EXT and SENS:SPEED has a value of
– If the source is changed to INT1, INT2 or EXT and SENS:DET:FUNC is set to
Keysight EPM-P Series Programming Guide
TRIG:SOUR?
error -221 "Settings Conflict" occurs. In such situations the slave's TRIG:SOUR
must be changed so that it is no longer a slave.
200, error -221 "Settings Conflict" occurs.
AVERage, error -221 "Settings Conflict" occurs.
TRIGger Subsystem
This command queries channel A's trigger
source.
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