13
Phenomena
Analysis
Solution
You
may
locate
in
an
unfavorable
position.
For
example, your communication
may be blocked by high
buildings or frustrated in the
underground areas.
Move to an open and flat area, and restart the
radio to try again.
You may suffer from external
disturbance
(such
as
electromagnetic interference).
Stay away from equipment that may cause
interference.
You cannot use the
keys.
The keypad may fail to function
temporarily.
Restart the radio.
The LCD does not
display
any
information.
The LCD may fail to function
temporarily.
Restart the radio.
The GPS cannot
locate
your
position.
The GPS antenna may be
connected improperly.
Properly connect the GPS antenna.
GPS signals may not be
received due to unfavorable
position.
Move to an open and flat area to try again.
If the above solutions cannot fix your problems, or you may have some other queries, please contact us
or your local dealer for more technical support.