5 - 2 2
SECTION 5
COMMON PRACTICES
5-2-2
RECEIVING AM MODULATED RF SIGNAL
T h i s p r o c e d u r e c o n f i g u r e s t h e R F R e c e i v e O p e r a t i o n S c r e e n t o r e c e i v e a n A m p l i t u d e
M o d u l a t e d R F S i g n a l a t t h e A N T EN N A C o n n e c t o r .
T h e t r a n s m i t t e d s i g n a l h a s 4 0 % M o d u l a t i o n R a t e o f a 1 k H z s i n e w a v e a t
- 6 0 d B m l e v e l .
T h e s p e a k e r i s c o n f i g u r e d t o p l a y t h e d e m o d u l a t e d s i g n a l .
P
R
E
P
o
S e t R F F i e l d t o
R a d i o C e n t e r F re q u e n c y
.
o
S e t I n p u t t o
A N T
.
o
S e t A t t e n u a t i o n t o
0 d B
.
o
S e t D e m o d u l a t i o n T yp e t o
A M
.
o
S e t I F B a n d w i d t h t o
3 0 0 k H z
.
o
C u r so r t o L i n e F ie l d a n d p r e s s F 6
C O N F I G
.
o
S e t M o d M e t e r F i l t e r L i n e L o w - Pa s s F i l t e r t o
2 0 k H z
.
o
S e t A F C o u n t e r F i l t e r L i n e L o w - Pa s s F i l t e r t o
4 k H z
.
o
S e t S p e a k e r / H e a d p h o n e s F i l t e r L i n e t o
W.B .
( Wi d e b a n d ) .
o
E x e c u t e a n d r e t u r n t o R F R e c e i v e O p e r a t i o n S c r e e n .
o
A d j u s t V O L U M E C o n t r o l f o r d e s i r e d a u d i o l e v e l .
Summary of Contents for COM-120C
Page 1: ...comMQRPc c š ƒ o ƒ mƒ šƒ QPPRMPVPQMRpP advancing wireless test s m ...
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Page 45: ...2 4 SECTION 2 INSTALLATION THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 145: ...4 72 SECTION 4 OPERATION THIS PAGE INTENTIONALLY LEFT BLANK ...
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Page 291: ...6 116 SECTION 6 OPTIONS THIS PAGE INTENTIONALLY LEFT BLANK ...
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Page 318: ...USER REPLACEABLE BATTERY AND FUSES BATTERY VOLTAGE FUSE INSTRUCTIONS ...