Icom IC-7400 Manual De Instruccion página 11

d. Filtros:— continuación
• O O n n t t h h e e fl fl y y a a d d j j u u s s t t m m e e n n t t : : O O n n c c e e t t h h e e a a d d j j u u s s t t m m e e n n t t s s h h a a v v e e b b e e e e n n m m a a d d e e i i n n t t h h e e
f f i i l l t t e e r r s s e e t t m m o o d d e e , , y y o o u u c c a a n n m m a a k k e e o o n n t t h h e e f f l l y y c c h h a a n n g g e e s s b b y y u u s s i i n n g g t t h h e e T T w w i i n n
P P a a s s s s B B a a n n d d T T u u n n i i n n g g , , T T w w i i n n P P B B T T . . Y Y o o u u w w i i l l l l b b e e a a b b l l e e t t o o s s e e e e t t h h e e e e f f f f e e c c t t s s o o f f t t h h e e
T T w w i i n n P P B B T T o o n n t t h h e e u u p p p p e e r r l l e e f f t t h h a a n n d d s s i i d d e e o o f f t t h h e e s s c c r r e e e e n n
One of "1," "2" or "3" is
displayed for selected filter
number indications.
NOTE: T T h h e e T T w w i i n n P P B B T T f f i i l l t t e e r r s s s s h h i i f f t t t t h h e e t t w w o o I I F F D D S S P P f f i i l l t t e e r r s s ( ( S S e e e e D D i i a a - -
g g r r a a m m s s b b e e l l o o w w a a n n d d r r i i g g h h t t ) ) . . T T h h i i s s f f e e a a t t u u r r e e a a l l l l o o w w s s b b o o t t h h a a n n I I F F s s h h i i f f t t a a s s w w e e l l l l
a a s s a a n n a a r r r r o o w w i i n n g g o o f f t t h h e e P P a a s s s s B B a a n n d d . . A A l l t t h h o o u u g g h h y y o o u u c c a a n n n n a a r r r r o o w w t t h h e e p p a a s s s s
b b a a n n d d b b y y s s h h i i f f t t i i n n g g t t h h e e t t w w o o fi fi l l t t e e r r s s , , t t h h i i s s d d o o e e s s n n o o t t n n a a r r r r o o w w b b o o t t h h fi fi l l t t e e r r s s , , t t h h u u s s
t t h h e e fi fi l l t t e e r r s s h h a a p p e e i i s s n n o o t t n n a a r r r r o o w w e e d d . . Y Y o o u u m m a a y y h h e e a a r r s s o o m m e e s s i i g g n n a a l l a a r r t t i i f f a a c c t t s s
p p a a s s s s t t h h r r o o u u g g h h t t h h i i s s fi fi l l t t e e r r a a d d j j u u s s t t m m e e n n t t . .
Center
IF center frequency
.
Passband
pass band
desired signal
interference
PBT operation example
A G C D U P C M P T B W S C P
Passband width and shifting value are
indicated while [TWIN PBT] is operated.
• Filter set mode indication
B W
Shows the selected filter and passband width.
• Indication while PBT setting
B W
Appears when passband is shifted.
*By pushing [PBTC] for 1 sec., the shifted value returns
to the default setting, and the "dot" disappears.
Passband
desired signal
inteference
QUICK REFERENCE GUIDE
[TWIN PBT] control
[PBTC]
Appears when PBT is used.
IF shift
IF center freq. interference
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