Appendix B - Serial Interface Specifications
GNS 480 (CNX80) Installation Manual 560-0982-01 Rev A
B-11
Table B- 9 - Flight Plan Waypoint Type
Id
Item Format
Len Description
t
nnn…
1-21
n = { a (airport) ||
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.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>
Example Moving Map Data Output
AN 34 1570
34
°
15.70’ latitude
BW 118 4390
118
°
43.90’ longitude
C306
306
°
track angle
D210
210 knots
E02682
268.2nm to waypoint
GR0006
0.6nm right of course
I3059
305.9
°
desired track
KSFO
SFO waypoint ident
L3058
305.8
°
bearing to waypoint
QE140
14.0
°
east magnetic variation
T---------
No alarms, data not flagged
<binary
data>
From
Table B- 7
a—---F
Approach Enabled Off, Active Off, Message On, Parallel Track
Off, Hold Off, and From/To is FROM
cvR001
CDI Valid, Needle Right, Deflection 001
°
p+0008
Pressure Altitude, +80 ft
vC000
VDI Valid, Needle Centered, Deflection is 000
°
<binary
data>
From
Table B- 7
tda
Flight Plan Waypoint Type data, direct-to, airport type
Figure B- 3 - Moving Map Data Output
Summary of Contents for GNS 480
Page 1: ...GNS 480 CNX80 Color GPS Nav Com Installation Manual September 2004 560 0982 01 Rev A...
Page 10: ...Table of Contents viii 560 0982 01 Rev A GNS 480 CNX80 Installation Manual NOTES...
Page 30: ...General Information 1 20 560 0982 01 Rev A GNS 480 CNX80 Installation Manual NOTES...
Page 126: ...Periodic Maintenance 6 2 560 0982 01 Rev A GNS 480 CNX80 Installation Manual NOTES...
Page 150: ...Appendix D Interconnect Diagrams D 2 560 0982 01 Rev A GNS 480 CNX80 Installation Manual NOTES...
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