J.P. Instruments Fuel Scan 450 Pilots Guide - Manual (Page 20)

Page 18 FS-450 Fuel Scan
Setting GPS-C Communications Output Format
GPS-C Input to GPS; output of FS-450
0 No fuel data output
1 * Garmin (Shadin Miniflow format) (to waypoint)
2 * Allied Signal (format B) (to waypoint)
3 Arnav/EI fuel data (to waypoint)
4 Allied Signal (format C) (to waypoint)
5 (Not used)
6 Garmin 430/530/295, UPS fuel/air data (to WAYPOINT)
7 Garmin 430/530/295, UPS fuel/air data (to DESTINATION)
8 Allied Signal (to DESTINATION)
* Recommended formats.
GPS Interface Diagnostic Messages
Parameters REQ - RES - MPG are
all missing from the scan. No communications from GPS
receiver to FS-450. Possibly no
connection or aircraft GPS is off,
or GPS not enabled to output data.
message and parameters
REQ - RES - MPG are missing
from scan.
Communications are received by
FS-450 and the Auto-Protocol
setup is in process. Verify correct
output format setup in GPS
receiver; check GPS connections.
message and
parameters REQ - RES - MPG are
missing from scan.
GPS receiver has insufficient
signal for valid data.
message and parameters
REQ - RES are missing from
scan.
No waypoints are programmed
into the aircraft GPS receiver.
replaces REQ or RES Your ground track is more than
70° from your course to the next
GPS waypoint.