User's Manual
Page 39
If the audio reading does not make sense:
Make sure the voice setting is the same
as your document’s language. Change it
in the Settings if necessary.
If the Tablet is not responding:
Make sure the battery is not empty.
Recharge it if necessary.
Other problems:
Restore factory defaults in the Settings.
Press and hold the Power button for 10
seconds and release. Wait 30 seconds,
and press Power again.
Power off the Tablet, remove the
battery, and install it back again.
Contact your dealer or technical
support.