Trigger Subsystem; Trigger[:Immediate] - HP 83751A Programming Manual

Trigger Subsystem

TRIGger[:IMMediate]

This command causes the trigger event to occur regardless of other settings
in the subsystem. This event does not affect any other settings in this
subsystem.
This command has no effect unless the instrument is in the Wait for TRIG
state. If the instrument is in the Wait for TRIG state, it performs its trigger
action.
This is an event and has no *RST condition.
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