Garmin GTN 750 Pilot's Manual page 376

Message
Foreword
GTN -
Getting
GTN needs service.
Started
Audio &
Xpdr Ctrl
INTERNAL SD
Com/Nav
CARD ERROR -
GTN needs service.
FPL
INTERNAL SD
CARD REMOVED -
Direct-To
GTN needs service.
Proc
KEY STUCK -
HOME key is stuck.
Charts
Wpt Info
KEY STUCK -
Map
Direct-To key is
stuck.
Traffic
Terrain
KNOB STUCK -
Volume knob
Weather
is stuck in the
pressed position.
Nearest
Music KNOB STUCK -
Dual concentric
Utilities
inner knob is stuck
in the pressed
System
position.
Messages
Symbols
Appendix
17-10
Index
Description
The GTN has lost
calibration data that
was set by Garmin
during manufacturing.
Internal SD card has an
error. This card is not
accessible by the user.
Internal SD card was
removed. This card is
not accessible by the
user.
The HOME key has been
in pressed position for
at least 30 seconds. This
key will now be ignored.
The Direct-To key has
been in pressed position
for at least 30 seconds.
This key will now be
ignored.
The Volume knob has
been in pressed position
for at least 30 seconds.
This knob press will
now be ignored.
The dual concentric
inner knob has been in
pressed position for at
least 30 seconds. This
knob press will now be
ignored.
Garmin GTN 725/750 Pilot's Guide
Action
Contact dealer for service.
Contact dealer for service.
Contact dealer for service.
Verify the HOME key is not
pressed. Contact dealer for service
if this message persists.
Verify the Direct-To key is not
pressed. Contact dealer for service
if this message persists.
Verify the volume knob is not
pressed. Contact dealer for service
if this message persists.
Verify the dual concentric knob
is not pressed. Contact dealer for
service if this message persists.
190-01007-03 Rev. B