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FAQ
FAQ

Q: No power
A: 1) The power plug is not connected well----Re-connect the power plug
    2)The fuse has been defective---Replace it
    3)Some files of the software are losing----Copy the software through MCU programmer
    4)The hardware of circuit is defective---For this issue,let professional person to check the circuit
 
Q: No signal of GPS
A: 1) There is no 3.3 of voltage output from the GPS plug---It needs to replace the GPS module
     2) The GPS antenna is defective----Replace the GPS antenna
 
Q: The color and brightness of the display is not normal or too light or too dark
A: The setting of OSD is not adjust well---You can adjust the OSD setting to appropriate options

Q: The touch screen is not work properly
A: 1) There are something on the face of touch screen or the protective film is stick so fasten---Please tear off the protective film ,remove the foreign substance,then enter to the calibration interface to calibrate 
   2) The touch screen is defective---Replace the touch screen
   3)The hardware circuit is defective---For this issue,let professional person to check the circuit

Q: The disk can not be read
A: 1)There is dust on the laser head or the laser head is defective----Clean the laser head or replace it
    2) Please check the disk is defective or not----Change another disk to check
    3)The hardware circuit is defective---For this issue,let professional person to check the circuit

Q: The SD card can not be loading
A: 1) The SD card is defective---Replace it
    2) The SD slot is defective---Let professional person replace the SD card slot 
    3) The cable connected with SD card is loosen---For this issue, let professional person to re-fasten
    4) The hardware circuit is defective---For this issue,let professional person to check the circuit

Q: There is no video for the back camera
  1) There is no 12 voltage of the Reverse cable---Reconnect the "Reverse"cable and measure the voltage  
  2) The camera is defective---Replace the camera

Q :The MP3/MP4 can not be play
 A: 1)The format of those files are not be stand by---Change the different format of the files
     2) The software be losing---Update the device

Q : The opposite side can not hear when he be called by the Bluetooth
    1)The macthing is not well---Rematch 
    2)The microphone is defective---Replace the microphone
    3)The software is missing---Update the device
 
Q: The map can not be running
A: 1) Navigation path is not correct---Reset up the path(Menu-options-System-Navigator Path)   
    2) The files of map are damaged---Re-copy the map files
    3) The SD card is defective---Replace another SD card with map

Q: There are no station for the radio
A: 1)The signal is bad or there is some disturbance---Driving away from those area
    2) The antenna of radio is not connect well---Re-plug the radio antenna
    3) The hardware of circuit is defective---For this issue,it needs the professional person to check the circuit