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Reference
If you encounter a problem, please review the items in the following checklist. This guide will help
you isolate the problem if the unit is at fault. Otherwise, make sure the rest of your system is
properly connected or consult your authorized Alpine dealer.
Solution
Replace with a fuse of the same rating.
Lower the temperature in the vehicle
below 122°F (50°C) by driving with the
windows open or air conditioner on.
Allow enough time for condensation to
evaporate (about 1 hour, depending on
ambient temperature and humidity).
Drive the vehicle in an area of good GPS
reception to allow the unit to recalibrate
itself.
Move to a location where GPS satellite
reception is easy.
Press the ON button on the remote
control.
Clean the disc.
Have the pickup lens cleaned periodi-
cally.
Replace the remote control batteries.
Symptom
No operation/
No display
The present
vehicle position
cannot be
measured
correctly.
Vehicle position
is displayed
incorrectly on
the screen
Screen not
displayed
"CANNOT READ
DISC" is dis-
played for a
certain operation.
Unstable opera-
tion
In case of difficulty
Reference
Reference
Cause
Blown fuse
Ambient temperature over
122°F (50°C)
Moisture condensation
The vehicle position
changed after the ignition
was switched off.
• Movement on a ferry boat
• Rotation of a parking lot
turntable
• Movement by tow truck
Poor satellite configuration
Measurement is 2 dimen-
sional
The navigation monitor is
turned off.
The disc is dirty.
The pickup lens is dirty.
The remote control batteries
are wearing out.