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Symbols on adhesive labels attached to the device
The adjoining adhesive label is attached to the devices back.
The symbols on this label have the following meaning:
This symbol is intended to alert the user to the presence of un-
insulated dangerous voltage within the product's enclosure
that may be of sufficient magnitude to constitute risk of fire or
electric shock.
This symbol is intended to alert the user to the risk of electric
shock if the unit cover or back is removed. There are no service-
able parts inside. Refer servicing to qualified personnel only.
This symbol is intended to alert the user to the presence of im-
portant operating and maintenance instructions in the litera-
ture accompanying this product.
Attention! High volume!
This is a professional transmission system.
Commercial use is subject to the safety-at-work
regulations. Sennheiser, as the manufacturer, is
therefore obliged to expressly point out possible
health risks arising from use.
This system is capable of producing sound pressure exceeding
85 dB(A). 85 dB(A) is the sound pressure corresponding to the
maximum permissible volume which is by law (in some
countries) allowed to affect your hearing for the duration of a
working day. It is used as a basis according to the specifications
of industrial medicine. Higher volumes or longer durations can
damage your hearing. At higher volumes, the duration must be
shortened in order to prevent damage. The following are sure
signs that you have been subjected to excessive noise for too
long a time:
y You can hear ringing or whistling sounds in your ears.
y You have the impression (even for a short time only) that
you can no longer hear high notes.