Keysight U8480 Series - Page 316

12 TRIGger Subsystem
316 U8480 Series Programming Guide
Reset condition
On reset, the trigger source is set to IMMediate.
Query
TRIGger[1]:SOURce?
The query returns the current trigger source of either IMM, BUS, EXT, or HOLD.
Query example
TRIG:SOUR? Queries the U8480 Series trigger source.