H A D I N F U E L F L O W S E N T E N C E; R N A V / E I F U E L F L O W S E N T E N C E - Garmin GPS 400W Installation Manual

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E . 4 S h a d i n F u e l F l o w S e n t e n c e
T h e G a r m i n 4 0 0 W S e r i e s u n i t s a r e c a p a b l e o f r e c e i v i n g t h e f o l l o w i n g 5 5 - b y t e m e s s a g e f r o m t h e S h a d i n
F u e l F l o w I n d i c a t o r :
< S T X > K 0 5 4 3 . 2 < s p > 0 1 0 0 . 0 < s p > 0 0 4 0 . 0 < s p > 0 0 6 0 . 0 < s p > 0 1 2 3 . 4 < s p > 0 0 4 5 . 4 < s p > 0 0 7 8 . 0 < s p > 1 2 3 < E T X >
W h e r e :
< S T X > s t a r t - t r a n s m i t c h a r a c t e r ( 0 x 0 2 )
K
u n i t s d e s i g n a t i o n ( i . e . ,
0 5 4 3 . 2 t o t a l f u e l r e m a i n i n g ( i . e . , A S C I I - c o d e d d e c i m a l f o r m a t : 0 x 3 0 , 0 x 3 5 , 0 x 3 4 , 0 x 3 3 , 0 x 2 e , 0 x 3 2 )
< s p > s p a c e ( 0 x 2 0 )
0 1 0 0 . 0 f u e l f l o w r a t e , t o t a l ( f o r m a t t e d a s f o r t o t a l f u e l r e m a i n i n g )
0 0 4 0 . 0 f u e l f l o w r a t e , e n g i n e o n e ( o r a s t e r i s k s [ "
0 0 6 0 . 0 f u e l f l o w r a t e , e n g i n e t w o ( a s t e r i s k s , i n t h e c a s e o f s i n g l e e n g i n e a i r c r a f t )
0 1 2 3 . 4 f u e l u s e d , t o t a l
0 0 4 5 . 4 f u e l u s e d , e n g i n e o n e ( a s t e r i s k s , i n t h e c a s e o f s i n g l e e n g i n e a i r c r a f t )
0 0 7 8 . 0 f u e l u s e d , e n g i n e t w o ( a s t e r i s k s , i n t h e c a s e o f s i n g l e e n g i n e a i r c r a f t )
1 2 3
c h e c k s u m ( o f b y t e s 2 t h r o u g h 5 1 )
< E T X > e n d - t r a n s m i t c h a r a c t e r ( 0 x 0 3 )
N o t e :
C h e c k s u m i s c a l c u l a t e d b y a d d i n g e a c h b y t e i n t h e m e s s a g e ( 2 t h r o u g h 5 1 ) , s u c h t h a t c a r r i e s a r e
d i s c a r d e d t o g i v e a o n e b y t e r e s u l t . T h e A S C I I - c o d e d d e c i m a l r e p r e s e n t a t i o n o f t h a t b y t e i s g i v e n , r a n g i n g
f r o m 0 ( 0 x 3 0 , 0 x 3 0 , 0 x 3 0 ) t o 2 5 5 ( 0 x 3 2 , 0 x 3 5 , 0 x 3 5 ) .
E . 5 A R N A V / E I F u e l F l o w S e n t e n c e
T h e G a r m i n 4 0 0 W S e r i e s u n i t s a r e c a p a b l e o f r e c e i v i n g t h e f o l l o w i n g 1 3 - b y t e m e s s a g e f r o m t h e A R N A V
o r E l e c t r o n i c s I n t e r n a t i o n a l ( " E I " ) F u e l F l o w I n d i c a t o r s :
W h e r e :
< S T X > s t a r t - t r a n s m i t c h a r a c t e r ( 0 x 0 2 h e x )
G
u n i t s d e s i g n a t i o n ( i . e . ,
0 2 4 5 t o t a l f u e l r e m a i n i n g i n r e v e r s e o r d e r ( i . e . , A S C I I - c o d e d d e c i m a l f o r m a t : 0 x 3 0 , 0 x 3 2 , 0 x 3 4 ,
0 x 3 5 )
1
f u e l r e m a i n i n g c h e c k s u m ( m o d u l o 1 0 s u m o f f o u r " t o t a l f u e l r e m a i n i n g " d i g i t s )
0 0 5 5 t o t a l f u e l f l o w r a t e i n r e v e r s e o r d e r
0
f u e l f l o w c h e c k s u m
< E T X > e n d - t r a n s m i t c h a r a c t e r ( 0 x 0 3 )
N O T E :
F u e l r e m a i n i n g a n d f u e l f l o w a r e [ 1 0 ] w h e n u n i t s d e s i g n a t i o n i s g a l l o n s o r i m p e r i a l g a l l o n s .
F o r e x a m p l e , 0 2 4 5 g a l l o n s i n d i c a t e s 5 4 2 g a l l o n s ; 0 2 4 5 l i t e r s i n d i c a t e s 5 4 2 0 l i t e r s . C h e c k s u m i s t h e
m o d u l o 1 0 s u m o f t h e f o u r f u e l f l o w d e c i m a l d i g i t s , c o n v e r t e d t o a n A S C I I n u m e r i c a l c h a r a c t e r
( e . g . , c h e c k s u m f o r " 5 6 7 8 " w o u l d b e A S C I I " 6 " ) .
P a g e E - 2
R e v . A
G
L
K
a l l o n s ,
i t e r s ,
i l o g r a m s ,
< S T X > G 0 2 4 5 1 0 0 5 5 0 < E T X >
G
I
a l l o n s ,
m p e r i a l g a l l o n s ,
B
[ p o u n d s ] )
" ] , i n t h e c a s e o f s i n g l e e n g i n e a i r c r a f t )
L
K
B
i t e r s ,
i l o g r a m s ,
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
[ p o u n d s ] )
1 9 0 - 0 0 3 5 6 - 0 2

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