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Press Edit Rate to open the FM Rate parameter,
then edit the current value using the cursor control
keys, rotary data knob, or enter a new value using
the keypad and the appropriate terminator key. The
FM Rate range is 0.1 Hz to 1 MHz for sine wave and
0.1 Hz to 100 kHz for square, triangle, and ramp
waveforms. To close the open FM Rate parameter,
press Edit Rate or make another menu selection.
Press Select Wave... to access the Modulation
Waveform Selection menu (below).
This menu displays the modulation waveforms (to
the left) that are available from the FM generator.
Use the cursor control keys to highlight the desired
modulation waveform, then press Select . The FM
Status display will reflect your selection.
Press < Previous to return to the FM Status menu
display.
To select the FM operating mode, press Mode > .
The FM Mode menu (below) is displayed.
Press Narrow to select the Narrow FM operating
mode; press Wide to select the Wide FM operating
mode. The FM status display will reflect your selec
-
tion.
MG369XB OM 3-103
Local (Front Panel) Operation Signal Modulation
sine wave
square wave
positive ramp
negative ramp
Gaussian noise
uniform noise
triangle wave
GN
UN
Reduce Rate
This warning message is displayed
when the FM Rate is set >100 kHz
for a non-sine wave modulating
waveform. Phase modulation of the
output signal will continue but the
modulating waveform may be dis
-
torted.