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4-2-5
AM MODULATION METER OPERATION
Th e A M M od u l at i on Me t er f or th e R F Re c e i v er m ea s ur e s A M M od u l 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 A M M od u la t io n M et er , i s pr o v i de d b y t he
A ud i o/ Da t a F i l ter s .
C o n f i g u r e a n d o p e r a t e t h e A M 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 A M 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 :
40%
S e l e ct s 4 0 % r a n g e .
100%
S e l e ct s 1 0 0 % 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 .
I f A ve r a g e F u n c t i o n i s d e si r e 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 A ve r a g e F u n ct i o n O N o r O F F .
C u r so r t o S a m p l e N u m b e r t o e n t e r
d e si r e d va l u e . R a n g e i s 2 t o 1 0 .
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 .
AM MODULATION METER
RF:
Source:
Range:
Peak Hold:
Average:
Upper Limit:
Lower Limit:
Alarm:
Peak Hold:
Average:
Average:
Upper Limit:
4-41
SECTION 4
OPERATION
MODULATION
83.1
%
0 %
100 %
105.0000 MHz
MOD METERS
100 %
ON
ON
2
ON
90.00
ON
10.00
OFF
ON
ON
2
ON
2
ON
28.0
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