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troubleshooting
If you suspect something is wrong, immediately switch power off. Immediately stop using it and
call the store where you purchased it. Never try to repair the unit yourself because it is dangerous
to do so.
problem
general
The unit will not switch
on.
No sound
The unit or screen does
not function normally.
tuner mode
U n a b l e t o r e c e i v e
stations.
Poor quality reception of
radio station.
Preset stations are lost.
usB/sD/MMc mode
Unable to insert USB
device or SD/MMC card.
The USB device or SD/
MMC card cannot be
read.
possible cause
Car ignition is not on.
Cable is not properly
connected.
Fuse is burnt.
Volume is set at minimum or
the mute function is on.
The unit system is unstable.
The antenna is not connected
properly.
T h e a n t e n n a i s n o t f u l l y
extended or it is broken.
T h e b a t t e r y c a b l e i s n o t
properly connected.
The memory card or USB
device has been inserted the
wrong way round.
NTFS format is not supported.
13
solution
Turn your car key in the ignition.
Check cable connection.
replace fuse with a new fuse of the
same capacity.
Check the volume or switch the mute
function off.
Press the reSeT button.
Connect the antenna properly.
Fully extend the antenna and if
broken, replace it with a new one.
Connect the permanent live on the
unit to the permanent live on the
vehicle.
Insert it the other way around.
Check that the USB/SD/MMC file
system is in FAT or FAT32 format.
Due to different formats, some models
of USB storage devices or MP3
players may not be read.
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