Sets the condition (trigger source) for actually changing the setting after the PMX receives INIT:TRAN.
|Value||IMM||The setting is changed immediately (factory default).|
|BUS||The setting is changed when a software trigger is received (use the *TRG or TRIG command to change the setting).|
For the setting that is applied when *RST is sent, see this table.
Returns the trigger source in CHAR format in response to TRIG:TRAN:SOUR?.