Remote Control Commands > TRIGger Subsystem > :TRIGger<hw>:LFFSweep:SOURce
:TRIGger<hw>:LFFSweep:SOURce <Source>

Sets the trigger source for the LF sweep. The trigger is triggered by the command :SOURce:LFOutput:SWEep[:FREQuency]EXECute.

The names of the parameters correspond directly to the various settings under manual control. SCPI uses other names for the parameters; these names are also accepted by the instrument. The SCPI names should be used if compatibility is an important consideration.

An overview of the various names is given in the Table "Cross-reference between the manual and remote control ".

Parameters:
<Source>
AUTO| IMMediate | SINGle| BUS| EXTernal | EAUTo
AUTO|IMMediate

The trigger is free-running, i.e. the trigger condition is fulfilled continuously. As soon as one sweep is finished, the next sweep is started.

SINGle|BUS

One complete sweep cycle is triggered by the GPIB commands [:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:EXECute or *TRG.

The mode has to be set to AUTO ([:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:MODE).

EXTernal

The sweep is triggered externally via the INST TRIG connector.

EAUTo

The sweep is triggered externally via the INST TRIG connector. As soon as one sweep is finished, the next sweep is started. A second trigger event stops the sweep at the current frequency, a third trigger event starts the trigger at the start frequency, and so on.

*RST:AUTO
Example: TRIG:LFFS:SOUR EXT

selects triggering with an external trigger.

 


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