Xclef HD-500, Руководство пользователя

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7. Troubleshooting
If you are having problems with this unit, refer to the table below for possible solutions:
Problem Solution
Power cannot be turned on. Check the charge on the battery.
The battery may not be capable of operating at temperatures below
freezing. The temperature needs to be brought above freezing for
charging.
Buttons do not work. Check if the Hold function is activated.
If so, deactivate the Hold function.
No sound or poor sound quality. Check if the device is working properly.
Make sure that the music files on this device are in the correct format
and are not corrupt.
Incorrectly converted or corrupt MP3 files may produce low-
frequency noise or may not play normally.
Problems in PC connection or
file transfer.
Check whether the power to the Player is turned on. Check whether
the USB cable is connected correctly.
After file copy, remove the USB cable.
If the PC does not respond for several seconds, wait until file copying
is finished.
In the case of audio files, copying is limited due to copyright
protection.
Check whether the USB driver works correctly from the Device
Manager.