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4-2-6
PHASE MODULATION METER OPERATION
Th e P ha s e M o du l at i on M e t er for t h e R F R e cei v e r m e a sur e s Ph a s e D e v i at i on f or an RF
S ig n a l. F i l ter i ng , f or th e si g na l p a s s ed t o t he P h a s e M od u l at i on Me ter , i s p r o v i de d b y
th e A u di o /D at a F il t er s.
C o n f i g u r e a n d o p e r a t e t h e P h a se M o d u l a t i o n M e t e r a s
f o l l o w s :
ZOOM
D i sp l a y s f u l l s c r e e n P h a s e M o d u l a t i o n M e t e r .
o
E nt er RF a s r eq u ir e d .
e
S e l e ct R a n g e a s f o l l o w s :
1 RAD
S e l e ct s 1 R a d r a n g e .
2 RAD
S e l e ct s 2 R a d r a n g e .
5 RAD
S e l e ct s 5 R a d r a n g e .
10 RAD
S e l e ct s 1 0 R a d r a n g e .
AUTO
S e l e c t s A u t o r a n g e f o r R a n g e .
I f P e a k H o l d F u n ct i o n i s d e s i r e d , t a ke
m e t e r o u t o f A u t o r a n g e a n d co n f i g u r e a s
f o l l o w s :
OFF/ON
T o g g l e s P e a k H o l d F u n ct i o n O N o r O F F .
RST PK
R e se t s P e a k H o l d F u n c t i o n .
E di t in g RF f i e ld af fe c ts l e ve l o n RF R e c e i ve O per at i o n S cr ee n .
RF:
Source:
Range:
Peak Hold:
Average:
Upper Limit:
Lower Limit:
Alarm:
Mode:
Peak Hold:
Average:
4-43
SECTION 4
OPERATION
PHASE
+
4.5
Rad
-
+
0 Rad
10 Rad
-
PHASE METER
105.0000 MHz
MOD METERS
AUTO
OFF
ON
2
ON
9.9
ON
9.9
OFF
BOTH
ON
ON
2
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