6.4 GNSS (GPS) troubleshooting
Potential problems with the GNSS (GPS) receiver and possible causes and solutions are described
here.
Problem
Possible causes
Possible solutions
Geographic location or
prevailing conditions
preventing satellite fix.
Check periodically to see if a fix is obtained
in better conditions or another geographic
location.
GNSS (GPS) connection
fault.
Ensure that external GNSS connections and
cabling are correct and fault free.
External GNSS (GPS)
receiver in poor location.
For example:
• Below decks.
• Close proximity
to transmitting
equipment such as
VHF radio.
Ensure GNSS (GPS) receiver has a clear view
of the sky.
“No Fix” GNSS status
icon is displayed.
GNSS (GPS) installation
problem.
Refer to the installation instructions.
Note:
A GNSS Status screen is accessible from the display. This provides satellite signal strength
and other relevant information.
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