5-34
Hardkey and Softkey Reference
FM
DCFM/DCΦM Cal
Pressing this softkey initiates a DCFM calibration. This calibration eliminates the
offset in DC FM so that the carrier frequency remains the same with no
modulation applied. External, DC-coupled FM must be active when this
calibration is executed.
Softkey Location: Press
FM/ΦM, More (1 of 2), DCFM/DCΦMCal
SCPI Commands:
:CALibration:DCFM
Dual-Sine
Pressing this softkey reveals a menu of choices for setting the dual-sine frequency
modulation parameters. In this menu you can set the FM rates for two separate
tones. In addition, you can set the FM deviation for
FM Path 1 and FM Path 2 and
also set a ratio of the tone 2 FM deviation to the tone 1 FM deviation.
Softkey Location: Press
FM/ΦM, More 1 of 2, FM Waveform, Dual-Sine
SCPI Commands:
[:SOURce]:FM[1]|2:INTernal[1]:FUNCtion:SHAPe DUALsine
[:SOURce]:FM[1]|2:INTernal[1]:FUNCtion:SHAPe?
Ext
This softkey is one of the choices in the FM Sweep Trigger menu. Choosing Ext
allows you to trigger swept-sine frequency modulation using a signal applied to
the TRIGGER IN rear panel connector. Set the polarity of the trigger signal using
the
Trigger In Polarity Neg Pos softkey.
Softkey Location: Press
FM/ΦM, More (1 of 2), FM Waveform, Swept-Sine,
FM Sweep Trigger, Ext
Status after Normal Preset: FM sweep trigger is set to Immediate
SCPI Commands:
[:SOURce]:FM[1]|2:INTernal[1]:SWEep:TRIGger EXTernal
[:SOURce]:FM[1]|2:INTernal[1]:SWEep:TRIGger?
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