TROUBLE SHOOTING
No sound, and the
display is off
No sound, but the display
is on.
When adjusting the
volume to a high level,
the device works with
unstable sound.
No power supply
Improper power adapter
is used.
Plug the power adapter
and connect lit to the device
via the USB cable. Make
sure the USB cable is
firmly plunged.
Problems
Possible causes
Solutions
Make sure the right adapter
is used.
The sound is adjusted too
low.
Make sure the right adapter
Improper power adapter is
used.
is used.
Press the volume"+" button
to increase the volume.
Poor contact
Make sure the USB cable
is firmly plunged.
