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Hardkey and Softkey Reference
LF Out
Immediate
This softkey is one of the choices in the LF Output Sweep Trigger menu.
Choosing
Immediate immediately triggers swept-sine low frequency output in a
continuous mode. To stop the sweep, choose a different trigger such as
Ext, or set
the waveform to something other than
Swept-Sine.
Softkey Location: Press
LF Out, LF Out Source, Function Generator,
LF Out Waveform, Swept-Sine, LF Output Sweep Trigger, Immediate
Status after Normal Preset: LF output sweep trigger is set to Immediate
SCPI Commands:
[:SOURce]:LFOutput:FUNCtion:SWEep:TRIGger IMMediate
[:SOURce]:LFOutput:FUNCtion:SWEep:TRIGger?
Internal
This softkey lets you output a signal at the LF OUTPUT connector where the
frequency and shape of the signal is set by the internal source as it is being used by
a modulation. For example, if the internal source is currently assigned to an AM
path configuration and AM is turned on, the signal output at the LF OUTPUT
connector will have the frequency and shape of the amplitude modulating signal.
You can scale the amplitude of the output signal using the
LF Out Amplitude
softkey.
For internal square pulse modulation, the internal source is a sinewave which is
later squared by the modulator to generate the pulse squarewave. The
LF OUTPUT signal for this internal source, therefore, is a sinewave. For internal
pulse modulation, a true variable-width pulse will be seen on the LF OUTPUT.
Softkey Location: Press
LF Out, LF Out Source, Internal Modulation
Status after Normal Preset: LF Out Source is set to Internal Modulation
SCPI Commands:
[:SOURce]:LFOutput:SOURce INT[1]
[:SOURce]:LFOutput:SOURce?
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