Garmin GTN 725 Cockpit Reference Manual page 73

Message
GPS RECEIVER-
GPS receiver needs
service.
GPS SEARCHING SKY-
Ensure GPS antenna
has an unobstructed
view of the sky.
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 Icon] key is
stuck.
190-01007-04 Rev. C
Description
The GPS module is
reporting that it needs
service. The GPS module
may continue to function.
The GPS module is
acquiring position and
may take longer than
normal. This message
normally occurs after
initial installation or if
the unit has not been
powered for several
weeks.
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.
GTN 725/750 Cockpit Reference Guide (CRG)
Action
Use a different GPS receiver
or a non-GPS based source
of navigation. Contact
dealer for service.
No action is necessary;
message is informational
only.
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.
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