Operating instructions

• Active subwoofer US 5108/1 / US 5110/1
4
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 han-
dling 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 220–240 V~/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 mains adapter with wet hands.•
Check the unit regularly for damage.•
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 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.
Only use suitable wall brackets for mounting. 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.).
Attention
Risk of damage!
Power overload due to lightning strike may
damage or destroy the unit.
If the unit is to be left unsupervised for a long period •
(e.g. during a holiday), or if a thunderstorm is forecast,
disconnect it from the mains power supply.