J.P. Instruments Fuel Scan 450M Pilots Guide - Manual (Page 15)

For Your Safe Flight Page 13
Setting the GPS-C Comm settings
The GPS-C setting selects the format of the fuel data output of the
FS-450M.
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.
FS-450M Set Up
Factory Default Set Up
The factory default fuel measurement units are gallons and the
alarm limits are 45 minutes for the low time alarm, and 10 gallons
for the low fuel alarm. The K-factor defaults are K=29.00
(29,000).
Changing the FS-450M Set Up
You may need to change the fuel measurement units, the fuel tank
capacity, and may prefer to set your own alarm limits. Follow the
procedure outlined below to change any of the factory default
settings.
To start the Set Up procedure, after power up, wait until the FS-
450M completes its self test and is in the Automatic or Manual
indexing mode. If in doubt, tap the STEP button a few times. Then
follow the steps illustrated below. The display will then sequence
as shown in the chart below. Tap the STEP button to advance to
the next item in the list. Tap the AUTO button to select alternate
values of that item. Hold AUTO button to increase a numerical
value; tap the AUTO button to decrease a numerical value.