
Programming Guide 2-75
ESG Family Signal Generators Programming Commands and Examples
:TRIGger Subsystem
Single Sweep
:INITiate[:IMMediate][:ALL]
There is no query for this command.
This command initiates a single sweep if the sweep is on for either frequency or power, and
the sweep is not already initiated.
Trigger Output Polarity
:TRIGger:OUTPut:POLarity POSitive|NEGative
:TRIGger:OUTPut:POLarity?
This command sets the polarity of the TTL signal present at the TRIGGER OUT connector.
The choices are Positive and Negative. The Trigger out is asserted (after the frequency
and/or power is set) while the sweep is waiting for its step trigger. Also, the swept-sine
sends a pulse to the TRIGGER OUT at the beginning of each sweep.
*RST Value: Positive
Trigger Source
:TRIGger[:SEQuence]:SOURce BUS|IMMediate|EXTernal|KEY
:TRIGger[:SEQuence]:SOURce?
This command sets the trigger source. The choices are Bus (allows you to trigger a list or
step sweep via GPIB), Immediate (immediately triggers the current sweep once it is
armed), External (Pos and Neg) (allows you to trigger a list or step sweep on the positive or
negative edge of a signal applied to the TRIGGER IN connector), or Key (immediately
triggers an armed sweep when you press the Trigger hardkey).
*RST Value: Immediate
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