Keysight N1911A Programming Manual page 679

Reset Condition
On reset, the trigger source is set to IMMediate.
Query
TRIGger[:SEQuence[1]|2]:SOURce?
The query returns the current trigger source.
Query Example
TRIG:SEQ1:SOUR?
Error Messages
– For dual channel power meters: if the master is changed to IMM, BUS or HOLD,
– If the trigger source is changed to INT1, INT2 or EXT and SENS:SPEED has a
– If the trigger source is changed to INT1 or INT2 and SENS:DET:FUNC is set to
– If the trigger source is set to INT1 or INT2 when 8480, N8480, E4410, E9300
– For dual channel power meters: if the adjacent sensor is in peak mode, setting
N1911A/1912A P-Series Power Meters Programming Guide
error –221 "Settings Conflict" occurs. In such situations the slave's TRIG:SOUR
must be changed so that it is no longer a slave.
value of 200, error –221 "Settings Conflict" occurs.
AVERage, error –221 "Settings Conflict" occurs.
or E9320 (Average mode only) is connected, error –221 "Settings Conflict"
occurs.
the trigger source of 8480, N8480, E4410, E9300 or E9320 (Average mode
only) to EXTernal causes error –221 "Settings Conflict".
This command queries the current trigger
source for Channel A.
TRIGger Subsystem 14
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