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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
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
Volume may be turned
down or muted
Brightness may be
turned down
33
Possible Solution
Check power
adaptor connection
Note: Some automobile
accessory power jacks
provide no power when
the ignition is off.
Charge battery
Check volume and
mute condition
Adjust brightness of
the LCD screen
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