5. Troubleshooting
1.Can not turn on the device.
You can not turn on the device when the is below the critical level, please charge the battery connect to the computer via USB cable or charge via AC charger, try to turn on again while ensuring quantity of electricity.
Press the RESET button on the top of the device and check if the restarting is normal or not.
Check if the charger is connected well or not.
2． The
The duration of the lithium battery varies with environmental temperature changes and the service conditions. If the environment temperature is too low or too high, the duration of the battery will be affected. It is recommended to use this device at normal temperature!
From the usage of the device, larger screen of the device cost more electricity. In addition, affected by the volume increase, sound field special effects, and other factors such as frequent operation, the actual duration may be different from specified
one to a certain extent. 3．No sound via earphone.
Please check if the volume setting is 0.
Please check if audio file is broken, and try to play other audio files to confirm. If the audio file is broken, it may cause severe noise or staccato
4. Can not copy files.
Please check if the device is connected to the computer correctly.
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