User's Manual

37
Phenomena Analysis Solution
example, the signal may be blocked by tall
buildings or frustrated in the underground areas.
then restart the radio.
The radio may suffer from external disturbance
(such as electromagnetic interference).
Stay away from the equipment tha
t
may cause interference.
The keys are unavailable.
The keypad may not work temporarily. Restart the radio.
The LCD does not display
any information.
The LCD may not work temporarily. Restart the radio.
The GPS cannot locate
your position.
The GPS module may be connected improperly. Reconnect the GPS module.
The radio may be at an unfavorable position, so no
GPS signal is received.
Move to an open and flat area, and try
again.
If the above solutions cannot solve your problems, or you may have some other queries, please contact us or your local
dealer for more technical support.