User Guide

harness, or turn off the TA
function and search for radio
stations again.
Phone Bluetooth cannot
connect to the device
The phone is not compatible
with this unit or there is a
problem with the
communication between the
two Bluetooth.
Turn off and on the Bluetooth
of the phone and this machine,
try to connect again and make
sure that the Bluetooth of the
phone is set to visible.
Bluetooth music cannot be
transferred
The music player of the mobile
phone is not turned on, or the
Bluetooth and WiFi hotspots
are connected at the same
time, they sometimes send out
the same frequency signal and
interfere with each other.
Turn on the mobile music
player, or reconnect the device
and try again.
GPS and maps are not
working
The GPS antenna was damaged
by wrong connection steps
(connect the power cord first,
then connect the GPS antenna)
Replace the GPS antenna
(connect the power cord first,
then connect the GPS
antenna)
GPS signal is interfered by
other equipment
Stop device interference
Wrong GPS antenna placement
causes GPS signal reception
problems
Place the GPS antenna in the
recommended location, such
as the A-pillar or dashboard
near the windshield.
GPS signal is weak due to
nearby high-rise buildings
Move the vehicle to an open
area without interference
The touch screen is cracked
or damaged
The screen was pressed
vigorously during installation
Contact us to replace the
screen
An APP found in the APP
store cannot be downloaded,
indicating that the device is
not compatible
There are two versions of the
APP, the mobile version cannot
be installed on the tablet
Find the tablet version of the
app
The screen does not change
when the vehicle is reversing
The reversing light status signal
line is not connected, or the
rear view camera is not
compatible with this unit
The camera signal line must be
connected to the rear car line
of the power harness, and only
supports CCD cameras
No sound from the speaker
during a Bluetooth call
The hands-free call is muted or
the listening position in the
sound setting is not in the
center or the speaker cable is
incorrectly connected,
especially the front speaker
cable
Turn on the Bluetooth call in
the sound setting, or adjust
the listening position to the
center in the sound setting or
double check the speaker wire
connection and make sure that
the front speaker wire is