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Take these steps described in the tables below to solve simple problems before
contacting customer service.
If you suspect something wrong with this unit, immediately turn the power off and
disconnect the power connector from the unit. Never try to repair the unit yourself
because it is dangerous to do so.
PROBLEM
POSSIBLE CAUSE
POSSIBLE SOLUTION
There is no
sound.
The volume may be turned
down or mute.
Turn up the volume or turn
on the sound output.
User can’t turn
the unit on.
The adaptor is not correctly
connected.
Connect the adaptor
correctly.
The built-in rechargeable
battery is weak.
Use the adaptor to supply
power or charge the
battery.
Dim screen.
The brightness may be
turned down.
A
djust the brightness of the
screen.
Troubleshooting
Unit will not
activate after
pressing and
holding the stand
by button when
connected to the
adaptor for
charging.
The unit had not been used
for a long time and built-in
battery was overly
discharged
Press Reset button to turn
the unit on.