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17
Problem
Unit not
powered on
Insensitive
screen touch
No audio output
Low audio output
Cause
Unit’s fuse is blown.
Install a new fuse with right rating.
Install a new fuse with right rating.
Press the Reset button to reset.
Car battery fuse is blown.
Illegal operation.
Place of touch screen is offset.
Improper audio connection.
VOLUME 0
Volume set too low.
Increase the volume.
Heavily biased volume balance.
Check and adjust audio balance
to the center position
Turn up the volume.
Check wiring and correct it.
Calibrate the screen (SETTINGS
> About > Screen Calibration)
Corrective Action
Problem
Poor reception
Casue
Auto antenna is not connected.
Connect and extend the auto
antenna properly.
Activate Distance (DX) function.
Local function is activated.
Corrective Action
Problem
No image
Casue
Parking wire is not connected.
Connect and check the wiring.
Stop the vehicle in a safe place
and engage the parking brake.
Parking brake is not engaged.
Corrective Action
Bad sound or
distortion
Speaker power rating is not
compatible with the unit.
Connect proper speakers.
Speaker is shorted.
Check speaker wiring.
General
Tuner
Image flashing
or interference
occurring
Video signal connection is not
properly made.
Check and correct the wiring.
Improper image
height/width
display
Image aspect ratio is not properly
set up.
Change the aspect ratio to
correct one.
Image
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