Laser DVBT-C30B Manuale Utente
DVBT-C30B
USER MANUAL
21
TROUBLE SHOOTING
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
Technical support.
Problem
Possible Reason
Solution
No video, no audio.
The battery is totally
discharged.
discharged.
Change the battery
The power adapter is not
plugged properly.
plugged properly.
Check whether the connector of the
power adapter is completely plugged into
the power jack of the device.
power adapter is completely plugged into
the power jack of the device.
The device is not powered
on.
on.
Slide [POWER SWITCH] to “ON” position.
The program table is empty.
Perform “Auto Search” to discover the
available channels.
available channels.
In DVB-T mode, the
number of DVB-T
channels is not as
much as expected.
number of DVB-T
channels is not as
much as expected.
The number of available
channels is limited due to
the local broadcasting
system. The available
channels can vary
depending on the area.
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.
channels.
The signal quality of some
TV channels is too low.
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.
reception sensitivity. For indoor use,
place the antenna close to a window and
place it on high point.
Some TV channels are not
available.
available.
Only the locally free broadcasted
channels can be viewed. They can differ
depending on the area.
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.”
of the channels
show “no signal or
random mosaic
tiles appear on the
display.”
Some TV channels signal
quality is too low.
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.
reception sensitivity. For indoor use,
place the antenna close to a window and
place it on high point.
No DVB-T service is provided
in the area.
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.
It is not possible to watch digital
TV/listen to digital radio in non-covered
areas.
There is no sound
output.
output.
The audio volume is too low. Press [VOL+] button to raise the volume.
The earphones are not
connected properly.
The earphones are not
connected properly.
Check if the earphone plug is clean and
well inserted.
well inserted.
The device is located close
to strong magnetic field.
to strong magnetic field.
Move the device to another location and
use it again.
use it again.