Garmin GNS 480 Installation Manual page 139

Id Item Format
t nnn...
Example Moving Map Data Output
AN 34 1570
BW 118 4390
C306
D210
E02682
GR0006
I3059
KSFO
L3058
QE140
T---------
<binary data>
a—---F
cvR001
p+0008
vC000
<binary data>
tda
B.2.1.4 NavComm Data
The definition of the NavComm portion of the MapCom data output is as follows. This data output is
compatible with the SL30 or SL40 for sending frequency data to the comm or nav unit.
The comm data is output using the following format.
$PMRRC<msg_id><msg_data><chksum><cr>
GNS 480 (CNX80) Installation Manual 560-0982-01 Rev A
Table B- 9 - Flight Plan Waypoint Type
Len Description
1-21 n = { a (airport) ||
34°15.70' latitude
118°43.90' longitude
306° track angle
210 knots
268.2nm to waypoint
0.6nm right of course
305.9° desired track
SFO waypoint ident
305.8° bearing to waypoint
14.0° east magnetic variation
No alarms, data not flagged
Table B- 7
From
Approach Enabled Off, Active Off, Message On, Parallel Track
Off, Hold Off, and From/To is FROM
CDI Valid, Needle Right, Deflection 001°
Pressure Altitude, +80 ft
VDI Valid, Needle Centered, Deflection is 000°
Table B- 7
From
Flight Plan Waypoint Type data, direct-to, airport type
Figure B- 3 - Moving Map Data Output
Appendix B - Serial Interface Specifications
v (VOR) ||
n (NDB) ||
i (intersection) ||
u (user) ||
p (parallel track) ||
d (direct to) ||
F (FAF) ||
E (DME) ||
I (IAF) ||
H (MAHP) ||
M (MAP) ||
A (IFAF) ||
P (undefined approach waypoint type) }
B-11