4-43
SECTION 4
OPERATION
4-2-6 PHASE MODULATION METER OPERATION
The Phase Modulation Meter for the RF Receiver measures Phase Deviation for an RF
Signal. Filtering, for the signal passed to the Phase Modulation Meter, is provided by
the Audio/Data Filters.
Configure and operate the Phase Modulation Meter as
follows:
ZOOM
Displays full screen Phase Modulation Meter.
o Enter RF as required.
O
T
e
n
Editing RF field affects level on RF Receive Operation Screen.
Select Range as follows:
1 RAD
Selects 1 Rad range.
2 RAD
Selects 2 Rad range.
5 RAD
Selects 5 Rad range.
10 RAD
Selects 10 Rad range.
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.
PHASE
10 Rad0 Rad
4.5 Rad
+
-
+
-
PHASE METER
105.0000 MHz
MOD METERS
ON
ON
ON
OFF
RF:
Source:
Peak Hold:
Average:
Upper Limit:
Alarm:
Lower Limit:
OFF
Range:
AUTO
9.9
9.9
2
BOTH
Mode:
Peak Hold:
Average:
ON
ON 2
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General