Version 02.10.2017
DT3-xxx appendix B
Pa
ge
15
9.
Trouble Shooting Q&A
Most of the troubleshooting issues can be easily resolved. The most common cases and their
respective solutions are listed in the table below.
Problem
Possible Reason
Solution
No picture, no
audio.
The power connector is
not properly inserted into
the unit.
Check the power wire connection.
The unit is not switched
on.
Press [POWER] button.
Unit is in stand-by mode.
Press [POWER] button.
In DVB-T mode,
the number of
DVB-T channels is
not as much as we
expected.
The number of available
channels is limited. The
available channels can
vary depending on the
area.
Perform “Auto Search” or “Manual
Search” to rescan all the channels.
The signal quality of some
TV channels is too low.
Please use active antennas instead of
passive antennas for better reception
quality.
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.
Please use active antennas instead of
passive antennas for better reception
quality.
The antennas are not
properly connected.
Please check the connection of the
antennas.
An amplified antenna
doesn’t receive 12V power
Connect the amp. Antenna before you
connect power to the system. Take
care for the menue’s point “Ant.-
Power”
No DVB-T / DVB-T2 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.
Incorrect Regional Setting
Please check whether “Regional
Setting” is correct, and perform “Auto
Search” to rescan all of the channels.
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.
