VII. Troubleshooting
Failure
Not working, LCD does
not light
SD card/USB disk
FM radio receives few/
no radio channel
Solutions
Check whether the batteries are properly
installed
Check whether power line is correctly
connected, or
Whether the power supply is turned on or
backlight is turned off
(1)
(1) Check whether the device is in music
play mode
(2)
(2) Check whether SD card/ USD disk is
properly inserted
(3)
(3) Check whether there are MP3 format
songs in SD card/ USB disk
(1) (1) Check whether the device is in
FM radio mode
(2) Check whether the ambient environ-
ment is too closed or remote
(3) Check
following instructions on FM radio
operations
whether it is operated
7