Garmin APOLLO GX SERIES, Service Manual

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Garmin AT Rev --
© 2004 Garmin AT GX Service Manual 8-25
Complete Initialization
This procedure describes the initializing of all the memory on the NAV board. This erases all data in
memory (not the database) including the user waypoints, flight plans and configuration.
Parts Required
•
NONE
Procedure
1. Power the unit off.
2. Put the unit into test mode by powering the unit back on while holding the outermost two smart
keys down.
3. Power the unit off.
4. Turn the unit back on in self-test mode by pressing the outermost two smart keys while turning
power on as above.
5. Turn the large knob counterclockwise 6 clicks until
SYSTEM INITIALIZATION
screen appears.
6. Press the SEL button.
ALL
will appear on the screen.
7. Press ENTER.
8. When initialization is complete, hexadecimal numbers should appear on the screen in the bottom
left and bottom right corners. These are checksums The same checksums should show on both
sides. If it doesn’t show the same checksums at the bottom corners of the screen, try initializing
again by repeating this procedure. Return the unit to the factory if that fails to correct the problem.
9. Turn the large knob clockwise to
Install Options
. Press ENTER.
10. Turn the large knob clockwise to
CH RX TX
screen. This is where serial port settings are
entered. The screen should display
NONE
for
RX
and
NONE
for
TX
. If it shows
GPS
and
GPS
, try
initializing again by restarting this procedure. If that doesn’t work, replace the NAV board and
repeat this procedure.
11. Cycle power and let the unit go through its self-test and startup procedure.
12. Using the Service Data Sheet, reenter the customer configuration.