Garmin APOLLO GX SERIES Service Manual - page 128
Garmin AT
Rev --
9-6
GX Service Manual
© 2004 Garmin AT
SYMPTOM CAUSE
ACTION
Erases flight plan memory 1. Battery connections
2. Software
version
1.0
1. Follow Battery Failure Message
procedure above
2. Replace the NAV board. (See NAV
Board Replacement procedure.)
Locks up when changing
map scales
Software version 1.0
Replace the NAV board. (See NAV
Board Replacement procedure.)
Photocell is very sensitive Software version 1.0
Replace the NAV board. (See NAV
Board Replacement procedure.)
Won’t hold date & time
Wont retain memory
1. Battery
connections
2. NAV
board
1. Follow Battery Failure Message
procedure above.
2. Replace the NAV board. (See NAV
Board Replacement procedure.)
Smart keys disappeared
Software version 1.0
Replace the NAV board. (See NAV
Board Replacement procedure.)