Nextar 43lt ユーザーガイド

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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 
Possible Cause 
Possible Solution 
Power adaptor is not 
connected properly 
Check power 
adaptor connection   
Note: Some automobile 
accessory power jacks 
provide no power when 
the ignition is off.
 
Unit will not 
Power Up 
Weak battery 
Charge battery 
 
No Sound 
Volume may be turned 
down or muted 
Check volume and 
mute condition 
Screen is   
difficult to 
see 
Brightness may be 
turned down 
Adjust brightness of 
the LCD screen