Garmin GPS 400W Installation Manual page 128

T h e f o l l o w i n g t a b l e d e s c r i b e s t h e T y p e 1 o u t p u t s e n t e n c e i t e m d e s i g n a t o r ( i d ) a n d i t e m d a t a ( d d d d ) f i e l d s .
I f d a t a f o r t h e s e s e n t e n c e s i s i n v a l i d o r u n a v a i l a b l e , d a s h e s ( " - " ) a r e u s e d t o f i l l i n a l l n o n - b l a n k c h a r a c t e r
p o s i t i o n s .
I d e n t ( 1 b y t e )
z
A
B
C
D
E
G
I
K
L
Q
S
T
l ( l o w e r c a s e
L i m a )
* T h e l i n e f e e d c h a r a c t e r i s n o t o u t p u t i f t h e R S - 2 3 2 p o r t i s c o n f i g u r e d a s " A v t n n o a l t " .
* T h e a l t i t u d e i s n o t o u t p u t i f t h e R S - 2 3 2 p o r t i s c o n f i g u r e d a s " A v t n n o a l t " .
P a g e D - 2
R e v . A
D a t a ( 1 0 b y t e s )
1 2 3 4 5 6 7 8 9 0
a a a a a
s d d m m h h
s d d d m m h h
d d d
s s s
d d d d d
s n n n n
d d d d
c c c c c
d d d d
s d d d
- - - - f
- - - - - - - - -
d d d d d d
D e s c r i p t i o n
Current GPS altitude in feet *
Current latitude, where:
s - N (north) or S (south)
dd - degrees
mm - minutes
hh - hundredths of minutes
Current longitude, where:
s - E (east) or W (west)
ddd - degrees
mm - minutes
hh - hundredths of minutes
Track in whole degrees
Ground speed in knots
Distance to waypoint in tenths of nautical miles
Cross track error, where:
s - L (left) or R (right) of course
nnnn - error in hundredths of nautical miles
Desired track in tenths of degrees
Destination waypoint identifier (will be blank filled on
right if less than 5 characters in identifier)
Bearing to destination waypoint in tenths of degrees
Magnetic variation, where:
s - E (east) or W (west)
ddd - tenths of degrees
NAV valid flag status, where:
f - N (nav flagged) or - (nav valid)
Warnings status, only data transmitted are dashes (-).
Used to indicate end of Type 1 sentences.
D i s t a n c e t o d e s t i n a t i o n w a y p o i n t i n t e n t h s o f n a u t i c a l
m i l e 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
1 9 0 - 0 0 3 5 6 - 0 2