Key Reference 4
N9310A User’s Guide 61
FM
Pressing hardkey reveals a submenu for FM
configurations.
FM On Off This softkey toggles the frequency modulation between on
and off. When press this softkey on, the FM annunciator is
turned on in the display. Although pressing this softkey
enables the FM, it is applied to the RF carrier only after you
also enable the modulator by pressing and the
displays.
• Default value: Off
• Key sequence: > FM On Off
FM
FM Deviation
FM Source
FM
On/Off
FM Rate
FM Waveform
Sine
EXT Coupling
AC/DC
INT
EXT
INT+EXT
AM
Toggles frequency modulation between on and off
Sets frequency modulation deviation
Enters frequency modulation source submenu:
Selects internal FM source
Selects external FM source
Selects internal and external FM source
Sets frequency modulation rate
Selects frequency modulation waveform
Selects sine frequency modulation waveform
Toggles external coupling between AC and DC
Mod
On/Off
FM
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