40 Source User’s Guide
Basic Digital Operation
Triggering a Waveform
Trigger Source
Trigger Source is selected by pressing the Input/Output key, followed by the
Modulation Setup, ARB Setup, Basic Control, Trigger Source keys.
— Key - the waveform is triggered when the Single key is pressed
— Bus - the waveform is triggered over LAN or USB using the
:SOURce:RADio:ARB:TRIGger:INITitate SCPI command.
— External 2 - the waveform is triggered by a trigger signal on the TRIGGER 1
port or the TRIGGER 2 port on the transceiver rear panel.