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Hardkey and Softkey Reference
FM
FM Start Rate
Use this softkey to change the starting internal modulation frequency for
swept-sine frequency modulation. To change the value, press the softkey once.
The current value for the FM start rate is displayed in the active entry area. To
enter a new value, rotate the front panel knob until the desired value is displayed,
use the up and down arrow keys, or enter the value using the numeric keypad and
press the
Hz or kHz terminator softkey. The range of values allowed is 0.1 Hz to
50 kHz. The minimum increment allowed is 0.1 Hz.
This softkey is coupled to the
FM Rate softkey in the initial FM Menu and the
FM Tone 1 Rate softkey in the FM Dual-Sine Menu. Any value set for
FM Start Rate is reflected in the FM Rate and FM Tone 1 Rate softkeys. Conversely,
if you change the value for either the
FM Rate softkey or the FM Tone 1 Rate
softkey, the value for
FM Start Rate is changed to match.
Softkey Location: Press
FM/ΦM, More (1 of 2), FM Waveform, Swept-Sine,
FM Start Rate
Status after Normal Preset: 400.0 Hz
SCPI Commands:
[:SOURce]:FM[1]|2:INTernal[1]:FREQuency <val><unit>
[:SOURce]:FM[1]|2:INTernal[1]:FREQuency?
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