Midland Syn-Tech 70-342XL Service Manual page 9

Vhf (wide band)
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S C A N
O P T I O N
S e v e r a l o f t h e s e p a r a m e t e r s a r e p r o g r a m m a b l e by E/PROM p r o g r a m m i n g .
CHANNEL CAPACITY
...................
2 s c a n g r o u p s o f 6 4 e a c h
( d u p l i c a t e s a l l o w e d )
OPERATOR CONTROL OF SCAN
...........
T h r e e m o d e s s e l e c t a b l e by
p u s h b u t t o n s
.........
PRIORITY CHANNEL SELECTION
Any c h a n n e l s e l e c t a b l e b y t h e o p e r -
a t o r u s i n g t h e c h a n n e l p u s h b u t t o n s
INDICATION OF PRIORITY DETECTION
...
T w o - b e e p
a u d i b l e a l e r t ( e l e c t i v e )
KEY-UP
CHANNEL REVERT
..............
T r a n s c e i v e r t r a n s m i t s o n P r i o r i t y
c h a n n e l o r l a s t s t o p p e d c h a n n e l
( d e p e n d i n g o n s c a n m o d e s e l e c t e d )
EXTRANEOUSLY BUSY CHANNEL S K I P
.....
C h a n n e l s c a n b e s k i p p e d i n s c a n b y
DOWN c h a n n e l s e l e c t i o n
PRIORITY CHANNEL SAMPLING RATE
.....
E v e r y 4 o r 8 c h a n n e l s , o r e v e r y 1
o r 2 s e c o n d s d u r i n g s c a n h o l d
SIGNAL DETECTION
...................
o f c a r r i e r p r e s e n c e o r v a c a n c y ; o r
o f c o r r e c t CTCSS t o n e p r e s e n c e o r
v a c a n c y w i t h c a r r i e r
SCAN RESUME DELAY
..................
0 . 3 ,
2 . 5 ,
o r 5 s e c o n d s o r
l o c k
&
h o l d u n t i l r e s e t
SCAN SPEED ( w i t h s t a n d a r d t i m i n g ) :
.....
N o i s e s q u e l c h b u s y d e t e c t i o n
2 0 i d l e c h a n n e l s p e r s e c o n d
CTCSS d e t e c t i o n
..................
3 c h a n n e l s p e r s e c o n d i f a l l b u s y
C T C S S
O P T I O N
CODE FREQUENCIES
...................
A l l EIA s t a n d a r d f r o m
6 7 t o 2 4 1 . 8 H z
..................
MODULATION L I M I T S
5 0 0 t o 1 0 0 0 Hz c a r r i e r d e v i a t i o n
DECODE S E N S I T I V I T Y
.................
L e s s t h a n 5 dB SINAD
RECEIVER RESPONSE TIME
.............
2 0 0 m s maximum
..............
ENCODER RESPONSE TIME
5 0 m s maximum
TRANSMITTER TONE DISTORTION
........
5% maximum
A U D I O DISTORTION WITH CTCSS TONE
...
1 0 %
- - A l l
s p e c i f i c a t i o n s s u b j e c t . t o c h a n g e w i t h o u t n o t i c e - -
7

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