Garmin Apollo CNX80, Installation Manual

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Appendix B - Serial Interface Specifications
Apollo CNX80 Installation Manual 560-0982-00 Rev D B-7
Table B- 6 - Moving Map ASCII Navigation Data
ID Data Format Length Description
A sddmmhh 9 Present latitude
s =sign: N for north, S for south
dd = degrees
mm = minutes
hh = hundredths of minutes
B sdddmmhh 10 Present longitude
s = sign: E for east, W for west
ddd = degrees
mm = minutes
hh = hundredths of minutes
C ddd 3 Track (magnetic): ddd = degrees
D ddd 3 Ground speed: ddd = knots
E ddddd 5 Distance to active waypoint: ddddd = nm x 10
G sdddd 5 Cross track error:
s = sign: R for right, L for left of course
dddd = distance off course, hundredths of nm
I dddd 4 Desired track (magnetic):
dddd = degrees x 10
K ddd[dd] 3 to 5 Active waypoint identifier:
ddd[dd] = ASCII waypoint identifier
L dddd 4 Bearing to active waypoint (magnetic):
dddd = degrees x 10
Q sddd 4 Magnetic variation:
s = sign: E for east, W for west
ddd = degrees x 10
T ---A----- 9 Warnings: The 4th character will be an “A” when the
navigation data is flagged, otherwise, all characters will be
dashed. All other navigation data will be dashed when it is
flagged.
a eampht 8
Annunciator Flags:
e =
Approach Enabled
{ ‘-‘ (off) || ‘O’(on) }
a =
Approach Active
{ ‘-‘ (off) || ‘O’(on) || ‘B’ (blink)}
m =
Message
{ ‘-‘ (off) || ‘O’(on) || ‘B’ (blink)}
p =
Parallel Track
{ ‘-‘ (off) || ‘O’(on) }
h =
Hold
{ ‘-‘ (off) || ‘O’(on) || ‘B’ (blink)}
t =
From/To
{‘–‘ (off) || ‘T’ (To) || ‘F’ (From)}
c vDddd 7
CDI:
v =
Nav Flag
{ ‘-‘ Flagged || ‘v’ Valid }
D = Needle { ‘C‘ Center || ‘L’ Left || ‘R’ Right }
ddd =
Deflection Value
ASCII (000 – 120)
l
(
lower case L
)
dddddd 6 Distance to Destination:
dddddd = nm * 10