M E T U N I N G ( G N S 4 3 0 W O N L; Figure 5 - 1 3 . M A I N D I S C R E T E O U T P U T S P A G; Figure 5 - 1 5 . C O M S E T U P P A G; Figure 5 - 1 6 . V O R D I S C R E T E I N P U T S P A G - Garmin GPS 400W Installation Manual

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4 . 1 0 D M E T u n i n g ( G N S 4 3 0 W O n l y )
4 . 1 0 . 1 D M E T u n i n g F u n c t i o n
T h e G N S 4 3 0 W c a n c h a n n e l a D M E b a s e d o n t h e t u n e d V L O C f r e q u e n c y . T h e G N S 4 3 0 W o u t p u t s 2 o f 5 ,
B C D o r S l i p p a r a l l e l D M E a n d K i n g S e r i a l D M E c h a n n e l i n g f o r m a t . W h e n D M E C O M M O N i s h e l d l o w ,
t h e G N S 4 3 0 W a c t i v e l y t u n e s t h e D M E .
4 . 1 0 . 2 D M E T u n i n g E l e c t r i c a l C h a r a c t e r i s t i c s
4 . 1 0 . 2 . 1 P a r a l l e l D M E T u n i n g
NAV PAR DME - 8MHZ
SER DME – CHAN REQ/PAR DME – 4 MHz
SER DME – RNAV MODE/PAR DME – 2 MHz
NAV PAR DME – 1 MHz
NAV PAR DME – 800 kHz
NAV PAR DME – 400 kHz
NAV PAR DME – 200 kHz
NAV PAR DME – 100 kHz
NAV PAR DME – 50 kHz
NAV DME COMMON
* T h e s e p i n s a r e o u t p u t s w h e n t h e G N S 4 3 0 W i s c o n f i g u r e d f o r 2 o f 5 p a r a l l e l D M E t u n i n g .
F o r e a c h o f t h e p a r a l l e l D M E t u n i n g d i s c r e t e o u t p u t s , t h e d r i v e r o u t p u t v o l t a g e i s n o t m o r e t h a n 1 . 0 V
w h i l e s i n k i n g 2 0 m A . T h e m a x i m u m o f f s t a t e l e a k a g e c u r r e n t w i t h r e s p e c t t o g r o u n d i s l e s s t h a n 1 0
N A V D M E C O M M O N m u s t b e p u l l e d l o w t o i n d i c a t e t o t h e N A V m o d u l e t h a t i t i s t h e d e v i c e c h a n n e l i n g
t h e D M E .
N A V D M E C O M M O N i s c o n s i d e r e d a c t i v e i f e i t h e r t h e v o l t a g e t o g r o u n d i s < 1 . 9 V o r t h e r e s i s t a n c e t o
g r o u n d i s < 3 7 5 . T h e s e i n p u t s a r e c o n s i d e r e d i n a c t i v e i f t h e v o l t a g e t o g r o u n d i s 1 1 - 3 3 V D C .
4 . 1 0 . 2 . 2 K i n g S e r i a l D M E T u n i n g
NAV SER DME - DATA
NAV SER DME - CLOCK
SER DME – CHAN REQ/PAR DME - 4MHZ
SER DME – RNAV MODE/PAR DME – 2MHZ
NAV DME COMMON
* T h e s e p i n s a r e i n p u t s w h e n t h e G N S 4 3 0 W i s c o n f i g u r e d f o r K i n g S e r i a l D M E t u n i n g
W h e n N A V S E R D M E – D A T A o r N A V S E R D M E – C L O C K i s a s s e r t e d h i g h a n d d r i v i n g a 3 6 0 l o a d ,
t h e d r i v e r o u t p u t v o l t a g e i s n o t l e s s t h a n 8 V , a n d w h e n a s s e r t e d l o w s h a l l n o t b e g r e a t e r t h a n 1 0 m V .
S E R D M E – C H A N R E Q / P A R D M E – 4 M H Z , S E R D M E – R N A V M O D E / P A R D M E – 2 M H z , a n d
N A V D M E C O M M O N a r e c o n s i d e r e d a c t i v e i f e i t h e r t h e v o l t a g e t o g r o u n d i s < 1 . 9 V o r t h e r e s i s t a n c e t o
g r o u n d i s < 3 7 5 . T h e s e i n p u t s a r e c o n s i d e r e d i n a c t i v e i f t h e v o l t a g e t o g r o u n d i s 1 1 - 3 3 V D C .
N A V D M E C O M M O N m u s t b e p u l l e d l o w t o i n d i c a t e t o t h e N A V m o d u l e t h a t i t i s t h e d e v i c e c h a n n e l i n g
t h e D M E .
4 0 0 W S e r i e s I n s t a l l a t i o n M a n u a l
1 9 0 - 0 0 3 5 6 - 0 2
P i n N a m e
P i n N a m e
C o n n e c t o r
P i n
P4006
14
P4006
20
P4006
21
P4006
33
P4006
37
P4006
39
P4006
40
P4006
42
P4006
43
P4006
22
C o n n e c t o r
P i n
P4006
19
P4006
18
P4006
20
P4006
21
P4006
22
I / O
Out
Out*
Out*
Out
Out
Out
Out
Out
Out
In
µ
A .
I / O
Out
Out
In*
In*
In
P a g e 4 - 2 1
R e v . A

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