
13
Phenomena
Analysis
Solution
underground areas.
It could be the result of 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.
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.
All manuals and user guides at all-guides.com