J.P. Instruments Fuel Scan 450M Pilots Guide - Manual (Page 19)

For Your Safe Flight Page 17
Setting GPS-C Communications Output Format
GPS-C Input to GPS; output of FS-450M
0 No fuel data output
1 * Garmin (Shadin Miniflow format)
2 * Allied Signal (format B)
3 Arnav/EI fuel data
4 Allied Signal (format C)
5 (Not used)
6 * UPS fuel/air data
* Recommended formats.
GPS Interface Diagnostic Messages
Parameters REQ - RES
- MPG are all missing
from the scan. No communications from GPS receiver to
FS-450M. 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-450M
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
Number is larger than can be displayed.