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This menu displays the modulation waveforms (de
-
scription to the left) that are available from the FM
generator. Use the cursor control keys to highlight
the desired modulation waveform, then press Select
to select the highlighted waveform. The FM Status
display will reflect your selection.
Press < Previous to return to the main FM Status
menu display.
Press Internal / External to select the source of the
modulating signal. Internal selects the modulating
signal from the internal FM generator; External se
-
lects the modulating signal from an external source.
The FM status display will reflect your selection.
Press the menu soft-key Mode > . The FM Mode
menu (below) is displayed.
This menu lets you select the FM operating mode.
Press Locked Low Noise to select the Locked
Low-Noise FM operating mode; press Locked to se
-
lect the Locked FM operating mode; press
Unlocked Narrow to select the Unlocked Narrow
FM operating mode; press Unlocked Wide to select
the Unlocked Wide FM operating mode. The FM sta
-
tus display will reflect your selection.
Press < Previous to return to the FM Status menu
display.
MG369XB OM 3-99
Local (Front Panel) Operation Signal Modulation
UNLOCKED
When Unlocked Narrow FM or Un
-
locked Wide FM is selected ON, this
warning message is displayed on all
menu displays to remind you that
the carrier frequency is not
phase-locked.
sine wave
square wave
positive ramp
negative ramp
Gaussian noise
uniform noise
triangle wave
GN
UN