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Troubleshooting
Before contacting customer service, review the steps below to solve simple problems.
If you still suspect something wrong with this unit, immediately turn the power off,
disconnect the power connector from the unit, and contact Nextar Customer Service.
Never try to repair the unit yourself.
Problem
Unit will not
Power Up
Unit will not
activate after
pressing and
holding the stand
by button when
connected to the
adaptor for
charging.
No Sound
Screen is difficult
to see
All manuals and user guides at all-guides.com
Possible Cause
Power adaptor is not
connected properly
Weak battery
The unit had not been used
for a long time and built-in
battery was overly
discharged
Volume may be turned
down or muted
Brightness may be turned
down
20
Possible Solution
Check power adaptor
connection
Note: Some automobile
accessory power jacks
provide no power when
the ignition is off.
Charge battery
Press Reset button to
turn the unit on.
Check volume and mute
condition
Adjust brightness of the
LCD screen
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