TRIGger Subsystem 14
N1911A/1912A P-Series Power Meters Programming Guide 659
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,
error –221 “Settings Conflict” occurs. In such situations the slave’s TRIG:SOUR
must be changed so that it is no longer a slave.
– For dual channel power meters: setting the trigger source to INT1, INT2 or
EXT when the trigger source of adjacent channel is INT1, INT2 or EXT in different
mode (NORMal or AVERage), error –221 “Settings Conflict” occurs.
– For dual channel power meters: if only a channel is connected with P-Series
power sensor, sensor mode is AVERage and trigger source is EXT, setting the
trigger source of adjacent channel to INT1, INT2 or EXT, error –221 “Settings
Conflict” occurs.
– If the source is changed to INT1, INT2 or EXT and SENS:SPEED has a value of
200, error –221 “Settings Conflict” occurs.
– If the source is changed to INT1, INT2 or EXT and SENS:DET:FUNC is set to
AVERage, error –221 “Settings Conflict” occurs.
– If the source is set to INT1 or INT2 when connecting the N1920 sensor in
average mode, error –221 “Settings Conflict” occurs.
TRIG:SOUR? This command queries Channel A’s trigger
source.
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