Troubleshooting, Car navigation – Panasonic CNGP50N User Manual
Page 20

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Troubleshooting
(continued)
Car navigation
Problem
Presumable cause
Suggested solution
The navigation does not work
even when the power of the
unit is turned on.
l
The SD Memory Card on which the map is recorded has
not been inserted.
Insert the SD Memory Card on which the map is
recorded.
V e h i c l e p o s i t i o n i s n o t
displayed.
l
The display is not in current position screen.
Select
.
V e h i c l e p o s i t i o n i s n o t
displayed correctly.
GPS mark is not displayed.
l
The vehicle location may have been changed while the
power was off. Movement of the vehicle by ferry or car
train, rotation by parking lot turntable, towing, etc.
Drive for a while on a road with good reception.
l
The GPS signals cannot be received due to obstructions.
GPS signals will be received when the obstruction
is no longer in the way.
l
The GPS antenna (option) is mounted in a wrong
position.
Mount antenna in a position where it can receive
GPS signals easily.
l
The GPS antenna cable is not connected properly.
Check the wiring.
l
There is an error with the magnetic compass.
Calibrate the magnetic compass.
Registered points are not
stored.
Settings do not change.
Searched route was deleted.
l
The power was turned off immediately after a registered
points were stored or a setting was changed.
Register the points again.
Change the setting again.
l
Power was turned off immediately after searching for a
route.
Search for the route again.
The desired road is not
included in the route.
l
A road away from the start location and destination was
specified.
Add a destination close to the specified road.
There is no voice guidance.
l
The volume is set to “0” under Guide Speaker setting.
Adjust the volume under Guide Speaker.
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