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English Manual
21
IV.
Trouble Shooting Q&A
Most of the troubleshooting issues can be easily solved. The common cases and their
respective solutions are listed in the table below. If the problem persists, please contact the
after sales service.
Problem
Possible Reason
Solution
No picture, no audio.
The battery is totally discharged.
Connect the unit to an external power
source to charge the battery.
The power cord is not properly
inserted into the unit.
Check the power lead connection.
When using the in-car power connector,
check if the power is available at the
socket.
The unit is not switched on.
Slide [POWER SWITCH] to “ON”
position.
The SD/MMC Card or USB device
is not properly inserted.
Check the SD/MMC Card or USB
device to ensure it is properly inserted
into unit.
The device does not
respond.
The lock function has been
switched on.
Check the lock switch position and
unlock.
In DVB-T mode, the
number of DVB-T
channels is not as much
as we expected.
The number of available channels
is limited due to the local
broadcasting system. The available
channels can vary depending on
the area.
Perform “Auto Search” to rescan all the
channels.
The signal quality of some TV
channels is too low.
Use the external antenna to increase
the reception sensitivity. For indoor use,
place the antenna close to a window
and place it on high point.
Some TV channels are not
available.
Only the locally free broadcasted
channels can be viewed. They can
differ depending on the area.
In DVB-T mode, all of
the channels show “no
signal or random mosaic
tiles appear on the
display.”
Some TV channels signal quality is
too low.
Use the external antenna to increase
the reception sensitivity. For indoor use,
place the antenna close to a window
and place it on high point.
Wrong antenna is used.
Use only the external antenna provided
with this unit.
No DVB-T service is provided in the
area.
Check your country DVB-T coverage
map. It is not possible to watch digital
TV/listen to digital radio in non-covered
areas.
The video is fine but
there is no sound.
The audio volume is too low.
Press [VOL+] button to raise the
volume.
The audio is muted.
Press [MUTE] button to disable the
mute function.
The earphones are not connected
properly.
Check if the earphone plug is clean and
well inserted.
The device is located close to a
strong magnetic field.
Move the device to another location
and use it again.