
5 - 8
SECTION 5
COMMON PRACTICES
5-1-4
GENERATING DCS CODED 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 G e n e r a t e O p e r a t i o n S c r e e n t o t r a n s m i t a n R F S i g n a l
F M M o d u l a t e d w i t h a D C S C o d e a t t h e T / R C o n n e c t o r .
T h e d e v i a t i o n i s s e t a t 0 . 5 0 k H z .
T h e O u t p u t L e v e l i s - 5 0 d B m .
P
R
E
P
ο
S e t R F F i e l d t o R a d i o C e n t e r F r e q u e n c y .
ο
S e t O u t p u t L e v e l t o - 5 0 d B m .
ο
S e t O u t p u t t o T / R .
ο
S e l e c t D A T A G e n e r a t o r ( D A T A ) f o r M o d u l a t i o n S o u r c e .
ο
S e t M o d u l a t i o n T yp e t o F M .
ο
S e t D e v i a t i o n L e v e l t o 0 . 5 0 k H z.
ο
S e t F o r m a t t o D C S.
ο
S e t C o d e t o 1 1 4 .
ο
V e r if y r a d i o u n s q u e l c h e s .
ο
T u r n D A T A g e n e r a t o r o f f .
ο
V e r if y r a d i o s q u e l c h e s .
Содержание COM-120C
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Страница 318: ...USER REPLACEABLE BATTERY AND FUSES BATTERY VOLTAGE FUSE INSTRUCTIONS ...
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