User manual

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3. No sound.
Check whether the voice is set to “0”. If it is so, please control it to your favorite
position. Check whether there is any playing source on the product. If there is no playing
source on the product, there will be no output of sound.
4. Noise in playing.
The damaged music files may utter noise, or discontinued sound output. Check whether
the earphone is connected. There is impurity in the jack/terminal in the earphone and
there is noise.
5. The time for playing the files in the connected memory is shortened.
Compared with the files in the built-in memory, it requires more sources while playing
the files on the external memory of MP4. Therefore, if the product playing is respectively
saved in the same file in the memory and the outside memory and the built-in memory,
the time for playing the former may be shortened.
6. FM radio channels unable to work normally
Since there is no configuration of independent antenna, the MP4 uses the connected
earphone to receive FM radio signals. Therefore, please try to stretch your ears so that the
signal effect will be better. The reception sensitivity may differ as the positions are
different. If you cannot hear the FM radio in the zone being checked, it may be due to the
cause of the FM modules. In this case, please contact the nearest customer service center.
7. Noise in the recorded files
The MP4 has been equipped with super fine microphone. This may lead to the noise in
the production process so that the quality will be badly distributed, which is the cause of
the nature of the digital equipment.
8. Clobbers displayed on the screen
Please check whether proper language options are set up. The language options will be
set up in the “Settings” – “System Settings” – “Language Settings”.