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Safety notes
Caution icons
You will fi nd the following caution icons used in these
instructions :
Danger High risk !
Failure to observe the warning may result in
severe personal injury or death.
Attention Moderate risk !
Failure to observe the warning may result in
property damage.
Minor risk!
Points which should be observed when handling
the unit.
Safety notes
Danger Risk of electric shock!
Faulty installation of electrical equipment or
mains voltage which is too high can cause
electric shocks.
• The device is only suitable for use with a power supply
voltage of 230V~/50 Hz.
• If the unit's case or mains cable is defective or shows
other signs of visible damage, disconnect the mains
adapter immediately from the socket and do not oper-
ate the device.
• If the unit emits smoke or smells of burning or other
unusual odours, disconnect it immediately from the
power supply and do not operate it.
• Never open the unit case.
Repairs may only be carried out by an authorised
specialist workshop. Only use parts which conform
with the original unit specifi cations. There are electrical
and mechanical parts in this unit which are essential in
order to avoid exposure to sources of danger.
• Do not insert any object through the vent slots in the
case.
• Only use the unit in indoor areas.
• Do not operate the unit in moist areas and protect it
from drops of water or splash water.
Also take care not to stand vases or other containers of
liquid on or near the unit in order to avoid liquid getting
into the case. If water or other foreign objects should
enter the case, disconnect the device immediately from
the mains power supply and remove any batteries. Send
the unit to our service address.
• Never touch the plug with wet hands.
• Check the unit regularly for damage.
4
• Columa 300 R
Danger Danger to children!
Children can become trapped in the packing
fi lm when playing and suffocate.
• Do not allow children to play with the unit or the pack-
ing fi lm. Danger of suffocation.
• Ensure that children do not remove small parts from
the unit or take them off of the unit (e.g. control knobs
or plug adapters). They could swallow the parts and
choke. Never allow children to use electrical devices
without supervision.
Danger Danger to hearing!
Loud noise may lead to hearing loss.
There is a potential risk of sudden very high
noise pressure especially when activating the subwoofer
which is set to full volume. This may have psychological
consequences and also cause physical injury. Children
and pets are particularly at risk.
• Set your signal source unit volume control to a low
setting.
• When the volume is set high, always keep a certain
distance from the unit and never place your ear directly
on the speaker.
• To avoid damage to health, avoid extended listening at
high volume.
Danger Danger of chemical burns!
Leaking battery acid may lead to chemical
burns.
• Do not allow battery acid to come into contact with
skin, eyes or mucus membranes. In case of contact
with acid rinse the affected location immediately with
plenty of plain water and if necessary see a doctor.
Danger Danger of injury/damage!
Incorrect location may result in damage.
• Never use the unit unmounted in vehicles, in unstable
locations, on wobbly tripods or furniture, on underdi-
mensioned brackets etc. The speakers could tip or fall
down and cause injury to persons or be damaged.
• Arrange the speakers so that they cannot be knocked
over accidentally and make sure that the cables do not
pose a trip hazard.
• Ensure that any wall mounting is performed in a profes-
sional manner.
• Use suitable wall brackets for mounting only. Check the
carrying capacity of the walls.
• Do not place the unit near sources of heat (e.g. heat-
ers, ovens, other heat generating equipment such as
amplifi ers etc.)
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