LOCAL OPERATION MODULATION: FM
ANALOG
MOD
B5225
SIG
GEN
B5243
...
B5279
3-97
Analog mod.
FM1 State OUTP:MOD:FM page 4-22
Use the numeric keypad to turn FM1 modulation source on or off:
0 Off
1 On
FM1 sub-menu — <Int Source> or <Ext Source>
Either of these soft tabs may appear, depending on whether you have defined the source for FM1
as internal or external on the modulation mode menu (page 3-91).
<Int Source>
From this menu you can:
• Specify the source’s frequency and waveshape.
Follow the instructions for Int Freq and Int Shape on page 3-102.
<Ext Source>
From this menu you can:
• Specify the coupling of the external source (DC or AC)
• Perform a DC null on the input signal
• Define the input impedance and sensitivity of the inputs.
Follow the instructions for Coupling, DCFM Null, Impedance and Sensitivity on page 3-105.
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