Wanlida Group Co. Ltd. NS-CNV43 ユーザーズマニュアル

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13 
 
press down the suction cup lever in arrow 2 direction to fix the bracket to the 
windshield.  
At the end, rotate the knob to adjust the unit to proper position. 
 
Warning: 
The device must not be mounted so that it impairs the driver’s view of the road. Please 
take extra precaution to ensure the airbags are not obstructed by the device. 
 
Take 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 
The adaptor doesn’t 
connect well. 
Connect the adaptor 
correctly. 
Users can’t turn 
the unit on. 
The built-in rechargeable 
battery is weak. 
Use the adaptor to supply 
power or charge the 
battery. 
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 to turn the 
unit on. 
There is no sound. 
The volume may be turned 
down or mute. 
Turn up the volume or 
turn on the sound output. 
Troubleshooting