Anritsu MS2026C - 6-13:Trigger Subsystem; Trigger Source

Spectrum Analyzer Commands :TRIGger Subsystem
MS20xxC PM PN: 10580-00306 Rev. E 6-65
6-13 :TRIGger Subsystem
This subsystem contains commands related to the triggering of instrument functions for the
purposes of synchronization. Related commands appear in the :ABORt and :INITiate
subsystems.
Trigger Source
:TRIGger[:SEQuence]:SOURce
Description: This command defines the trigger source. IMMediate triggering is the
equivalent of free-run triggering. EXTernal triggering is triggered
when a TTL signal is applied to the External Trigger input connector.
EXTernal triggering is always done on the rising edge of the signal. It
is available only in zero span mode.
Syntax: :TRIGger[:SEQuence]:SOURce IMMediate|EXTernal|VIDeo
:TRIGger[:SEQuence]:SOURce?
Cmd Parameter: <char> IMMediate|EXTernal|VIDeo
Query Response: <char> IMM|EXT|VID
Range: IMMediate|EXTernal|VIDeo
Default Value: Immediate
Related Command: :TRIGger[:SEQuence]:VIDeo:LEVel
:TRIGger[:SEQuence]:VIDeo:POSition
Front Panel
Access: Shift-3 (Sweep), Triggering, Source