More read welcome to :chinacargpshttp://www.chinacargps.com/
First, Check the speaker is damaged or not, whether there is short-circuit in
the host speaker wiring, whether the host is turned state. If there is an
external amplifier, please check the amplifier whether the normal power supply
to meet.
2. The navigation function have-not the satellite signal
and can not locate.
Check the GPS
receiver antenna head and DVD host connection is normal. The car has recently
posted the explosion-proof membrance(explosion-proof membrance caused by signal
attenuation affects the positioning),check the antenna lead is broken or not.
3. Start the car, DVD does not turn on.
Check the car audio
power supply insurance is normal or not. Check the host power supply insurance
is normal or not, power supply is in place.Chedk the host power cable whether
it loose or not.
4. DVD can not read, or read slowly.
The laser head dust,
clean the laser head; if the laser head is damaged, replace it.
5. Can not enter the navigation map status
Check the GPS map is whether
contact undesirable. It is recommended to pull out the SD card in the product
off the keys and power outage, then re-card and boot check.
6. The touch
control offset
Enter the setup menu, start the Control calibration to
the calibration of the touch screen.
7. Left and
Right speakers’ volume sizes
Enter the Audio item to check whether the four-door
speaker settings are the same or not.
8. Installation
of the Backup Camera but no reversing image.
Check the reverse function of the feature set is set to “ON”
state.
9. the key
functions to operate, the touch screen no reflects.
Press
the reset button, system reset, after the operation, check whether it returns
to normal or not. If not, please contact the after sale engineer or local after
sale station.More read welcome to :chinacargpshttp://www.chinacargps.com/
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