Garmin GTN 725 Cockpit Reference Manual page 51

Message
GTN-
GTN needs service.
INTERNAL SD CARD
ERROR-
GTN needs service.
INTERNAL SD CARD
REMOVED-
GTN needs service.
KEY STUCK-
HOME key is stuck.
KEY STUCK-
Direct-To key is stuck.
KNOB STUCK-
Volume knob is stuck in
the pressed position.
KNOB STUCK-
Dual concentric inner
knob is stuck in the
pressed position.
190-01007-04 Rev. B
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 a pressed position for
at least 30 seconds. This
key will now be ignored.
The Direct-To key has
been in a pressed
position for at least 30
seconds. This key will
now be ignored.
The volume knob has
been in a pressed
position for at least 30
seconds. This knob press
will now be ignored.
The dual concentric
inner knob has been in
a pressed position for
at least 30 seconds. This
knob press will now be
ignored.
GTN 725/750 Cockpit Reference Guide (CRG)
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.
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