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6 - 9
SECTION 6
OPTIONS
6-7
SINGLE SIDEBAND RECEIVE FILTER (OPTION 08)
6-7-1
GENERAL
I n s t a l l a t i o n o f t h e S i n g l e S i d e b a n d R e c e i v e I F F i l t e r p r o v i d e s t h e a b i l i t y t o m o n i t o r S S B
s i g n a l s . W h e n F i l t e r i s i n s t a l l e d , 3 k H z S e l e c t i o n i s a v a i l a b l e f o r I F B a n d w i d t h F i l t e r .
T h e S i n g l e S i d e b a n d a n d 3 0 k H z I F F i l t e r s a r e m u t u a l l y e x c l u s i v e . O n l y o n e a d d i t i o n a l
I F F i l t e r c a n b e i n s t a l l e d .
6-7-2
DESCRIPTION OF RECEIVE FUNCTION
R F R e c e i v e O p e r a t i o n i s c h a n g e d a s f o l l o w s :
o
A n a l y z e r C e n t e r F r e q u e n c y i s o f f s e t f r o m c e n t e r g r a t i c u l e
±
1 8 0 0 H z , d e p e n d i n g o n
w h e t h e r U p p e r S i d e b a n d ( U B ) o r L o w e r S i d e b a n d ( L B ) i s s e l e c t e d a s D e m o d u l a t i o n
T yp e .
o
N o M o d u l a t i o n M e t e r i s p r o v i d e d f o r S i n g l e S i d e b a n d . E i t h e r M o d u l a t i o n R e a d i n g o r
M o d u l a t i o n M e t e r , w h i c h e v e r w a s l a s t s e l e c t e d , i s b l a n k e d f r o m t h e s c r e e n .
o
R F E r r o r M e t e r i s n o t p r o v i d e d f o r S i n g l e S i d e b a n d . R F E r r o r M e t e r i s b l a n k e d f r o m
t h e s c r e e n .
A d d i t i o n s a n d R e d e f i n i t i o n s o f p a r a m e t e r s o n t h e R F R e c e i v e r O p e r a t i o n S c r e e n a r e a s
f o l l o w s:
1 . D e m o d u l a t i o n T yp e
I n c l u d e s t w o a d d i t i o n a l s e t t i n g s : U B ( U p p e r S i d e b a n d ) a n d L B ( L o w e r S i d e b a n d ) .
2 . I F B a n d w i d t h
I n c l u d e s a d d i t i o n a l 3 k H z s e t t i n g .
3 . B F O F r e q u e n c y
T o n e / D a t a C o d e F ie l d i s r e n a m e d w h e n U B o r L B i s s e l e c t e d a s D e m o d u l a t i o n
T yp e ( 1 ) . D i s p l a y s s e l e c t e d a d j u s t m e n t f o r B F O F r e q u e n c y . A d j u s t m e n t r a n g e i s
±
4 . 0 k H z . N o S o f t F u n c t i o n K e y s a r e d e f i n e d w h e n B F O F r e q u e n c y i s d i s p l a y e d .
4 . A G C S e t t i n g
D i s p l a y s c u r r e n t A G C S e t t i n g , A U T O o r M A N U A L . A U T O p r o v i d e s a u t o m a t i c g a i n
c o n t r o l w h i l e M A N U A L s e t s f e e d b a c k l e v e l f o r a u t o m a t i c g a i n c o n t r o l t o d e f i n e d
l e v e l . S e l e c t i o n o f M A N U A L a c c e s s e s F e e d b a c k L e v e l D a t a F ie l d . R a n g e i s 0 t o
1 0 2 3 .
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 318: ...USER REPLACEABLE BATTERY AND FUSES BATTERY VOLTAGE FUSE INSTRUCTIONS ...