Important safety instructions
2 | ADN Digital Conference System
Hazard warnings on the rear of products with mains plug
CAUTION / AVIS
RISK OF ELECTRIC SHOCK - DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR
The label shown on the left is attached to the rear of products with mains plug
(ADN CU1 central unit, ADN PS power supplies, ADN-W L10 chargers and ADN-W
CASE
UNITS). The symbols on this label have the following meaning:
Presence of uninsulated dangerous voltage within the product’s enclosure
(ADN CU1 central unit, ADN PS power supplies, ADN-W L10 chargers and ADN-W
CASE UNITS) that may be of sufficient magnitude to constitute risk of electric
shock.
CAUTION / AVIS
RISK OF ELECTRIC SHOCK - DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR
Never open the ADN CU1 central unit, the ADN PS power supplies, the ADN-W L10
chargers and the ADN-W CASE UNITS as there is a risk of electric shock. There are
no user serviceable parts inside. Refer servicing to an authorized Sennheiser ser-
vice partner.
Read and follow the safety and operating instructions contained in the instruction
manual.
Risk of fire due to overloading
Do not overload wall outlets a
nd extension cables as this may result in fire and elec-
tric shock.
Danger of hearing damage due to high volumes
These products are used for commercial purpo
ses. Commercial use is subject to the
rules and regulations of the trade association responsible. Sennheiser, as the man-
ufacturer, is therefore obliged to expressly point out possible health risks arising
from use.
When the conference participants li
sten to the floor channel via headphones, they
can adjust the volume themselves. In doing so, sound pressure exceeding 85 dB(A)
can be produced. 85 dB(A) is the sound pressure corresponding to the maximum
permissible volume which is by law (in some countries) allowed to affect your hear-
ing for the duration of a working day. It is used as a
basis according to the specifi-
cations of industrial medicine. Higher vo
lumes or longer durations can damage
your hearing. At higher volumes, the duration must be shortened in order to pre-
vent hearing damage. The following are sure signs that you have been subjected
to excessive noise for too long a time:
• You can hear ringing or whistling sounds in your ears.
• You have the impression (even for a short t
ime only) that you can no longer
hear high notes.
Inform the conference participants about these fa
cts and, if necessary, ask them to
set the volume to a medium level.
Intended use
Intended use of the products includes
• using the products for professional purposes,
• having read and understood the safety instructions and the ADN system
man
ual,
• using the products within the operating con
ditions and limitations described in
the ADN system manual.
“Improper use” means using the products other than as described in the ADN sys-
tem manual, or under operating conditions
which differ from those described
therein.
All instruction manuals for components of the ADN conference system are also
available on the Internet at www.sennheiser.com.