Operation Manual

CAME video input interface on the back of the unit. The red line coming out of
the video line is connected to the reversing control line of the power line.
2. The camera is broken. If the lamp that is properly wired to the camera is not lit, it will
be broken and replaced with a new one.
10> USB flash disk can not be played, the card with the map can not be
recognized, the card slot does not enter the card, the map card
folder has no content?
--- USB flash disk can not play:
Format the USB falsh disk, and the file system is selected as: FAT32, re-download
on or two songs and try again. If it still doesn’t work, please replace the USB flash drive.
--- The map card cannot be recognized(Only for GPS models):
Insert the card into the computer to format, re-download the map or change the
memory card to download the map software.
--- The card slot does not enter the card:
Check whether the memory card is inserted, the plug is broken.
--- There is no content in the map card folder :(Only for GPS models)
Insert the card into the computer to view it. If there is no content, you need to
download it again.
11> FM does not receive the program
--- Can not receive the station check the 2 points
1. The antenna plug is not fully inserted, the antenna is disconnect or the line is disconnect.
2. Search channel, hold AMS does not let go for 2 seconds The unit will automatically
search or press the up and down button to perform a channel search. Can’t solve the
above 2 points, Please unplug the antenna plug and find a screwdriver or a metal strip
to insert it instead of the antenna.
12> Just installed no sound
--- Dear customers, the unit has been tested before shipment. If there is no sound,
it is usually a wiring error or the original car speaker wire is short-circuited with iron.
Please do not doubt the unit. Accoding to the steps to check it.
1. Check if the speaker cable is short-circuited and connected. Please reconnect if you
have any short cirsuit.
2. Check how many speaker cables accoding to the original speaker cable if there are
only 2 speaker cables to prove that the original car line does not match our unit, you
need to re-route the original car line. One speaker must lead to 2 speaker wires. 2
speakers must be have 4 speaker cables to available.
13> After a while there is no sound
--- Disconnect all the speaker cable from the unit (do not remove all of them), and
then find an external speaker to receive the gray and purple of the tail line of the unit.
Green any group, and then try to see if there is any sound. If there is a sound, it is
proved that the car’s speaker line is short-circuited with iron or the speaker is
damaged. If there is no sound, the unit is broken.