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19. Cleaning
Always disconnect the device from the mains before cleaning it.
Only use a dry, soft cloth to clean the device. Do not use chemical solutions or
cleaning products because these may damage the device’s surface and/or inscrip-
tions.
Do not touch or clean the lens in the laser unit.
20. Storing the device when not in use
If you are not going to use the device for a long period of time, store
it in a dry, cool place and ensure that the device
is protected from dust and extreme temperature fluctuations.
Disconnect the mains plug from the socket and remove the batteries from the de-
vice and from the remote control.
21. Troubleshooting
Problem Possible cause Remedy
The device can-
not be switched
on.
• The batteries may
be dead.
• The mains adaptor
is not connected
properly.
If you are operating the de-
vice using batteries, check that
they are correctly inserted and
charged.
Ensure that the mains adaptor is
properly connected.
Incorrect display
of time and date
The time/date is set
incorrectly.
Set the desired time.
The device
switches off
when it is in use.
The batteries may be
dead.
Operate the device using the
mains adaptor or replace the
batteries.
No or poor radio
reception
The station signals are
too weak.
Adjust the frequency of the sta-
tions.
Move the radio to a different lo-
cation or change the direction
of the aerial to improve the re-
ception, if necessary.
No sound
The volume is set too
low.
Increase the volume as required.
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