4-39
SECTION 4
OPERATION
4-2-4 FM DEVIATION METER OPERATION
The FM Deviation Meter for the RF Receiver measures FM Deviation for an RF Signal.
Filtering, for the signal passed to the FM Deviation Meter, is provided by the
Audio/Data Filters.
Configure and operate the FM Deviation Meter as follows:
ZOOM
Displays full screen FM Deviation Meter.
o Enter RF as required.
O
T
e
n
Editing RF field affects level on RF Receive Operation Screen.
AC
Selects AC Coupling.
DC
Selects DC Coupling.
FM-Z
Automatically calibrates FM-Zero with no signal
applied.
Select Range as follows:
MENU
Accesses menu of range selections.
AUTO
Selects Autorange for Range.
If Peak Hold Function is desired, take
meter out of Autorange and configure as
follows:
OFF/ON
Toggles Peak Hold Function ON or OFF.
RST PK
Resets Peak Hold Function.
DEVIATION
2 kHz0 kHz
0.05 kHz
+
-
-
+
Range:
Peak Hold:
AUTO
ON
FM DEVIATION METER
105.0000 MHz
Cplg:
ON
ON
ON
OFF
RF:
Scp / Demod
Peak Hold:
Average:
Upper Limit:
Alarm:
Lower Limit:
ON
Range:
10 kHz
1.00
8.00
2
AC
BOTH
Mode:
Peak Hold:
Average:
ON
ON 2
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