Garmin GPS 175 Pilot's Manual page 204

Messages
ADVISORY
<GPS/GNX> needs
service.
<GPS/GNX> SD
card is invalid or
failed.
<Name> log
encountered an
error when
exporting.
<Name> log has
exported
successfully.
Heading source
inoperative or
connection lost.
6-10
CONDITION
Loss of calibration data.
GPS175 cannot
communicate with its
configuration module or
other hardware.
GNX 375 experiences a
fault related to one of
the following.
ADS-B/Nav
•
communication
Altitude encoder
•
calibration
• Audio ROM
Configuration
•
module
• Non-volatile memory
Suppression bus
•
The SD card is
unreadable or corrupt
(i.e., data is unavailable).
User ejects Flight Stream
510 wireless datacard.
Network connection
lost.
Export failure. May occur
for WAAS or traffic logs.
Export to SD card
successful. May occur for
WAAS or traffic logs.
<GPS/GNX> is not
receiving heading
information from any
source. Heading up map
orientation not available.
GPS 175/GNX 375 Pilot's Guide
CORRECTIVE ACTION
Contact dealer for service.
Reformat the SD card using
an external computer.
Re-insert the SD card in the
slot.
If the problem persists,
contact dealer for service.
Restart unit to reconnect.
Reformat the SD card using
an external computer.
Re-insert the SD card in the
slot.
If the problem persists,
contact dealer for service.
No action necessary.
Contact dealer for service.
190-02207-02 Rev. 1