Rock Mars DD-6442BT, Инструкция по эксплуатации

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7
Troubleshooting
Phenomenon Reasons Solutions
Not operating
Unit power supply or vehicle fuse is burnt;
Power supply voltage overload;
Automatic protection system avoids fault
due to illegal operation
Change the fuse with correct
type;
Adjust voltage;
Reset the system by pressing
the Reset key
No or low sound
Disconncetion;
Volume setting is set to low volume;
Loudspeaker fault
Big deviation of volume balance setting;
Earthing in loudspeaker conection
Check the wiring connection;
increase volume
Adjust the volume balance
set to balanced output;
Ensure insulation of
loudspeaker connection
Remote control
doesn’t work
Battery is out of power;
Battery is not placed correctly
Replace battery;
Reinstall battery;
Inferior quality
of sound;
Distortion of
sound
Inferior disc is prohibited;
Loudspeaker does not match impedance
of the machine;
Speaker fault
Use genuine discs;
Change to matched loudspeaker;
Check the loudspeaker
connections..
Machine resets
by itself when
shut down
Connection of ACC and B+ is not correct. Check and reconnect ACC and
B+
No image
Connection of brake wire is not correct;
Not in braking state.
Check brake wire connection
Keep in braking state after the
car is parked safely
.
Unstable output
of image
DVD does not correspond with the
present system video setting;
Video signal line is not connected correctly.
Adjust systerm video setting;
Check and replace video signal
line.
Image
stretching or
compressing
Incorrect ratio settings of icons Use correct ratio settings of
icons
Weak signals Auto antenna does not extend completely
LOC function is under working state.
Connect auto antenna line
correctly
Close LOC function