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Important safety instructions
4
Danger due to high volume!
The equipment is used for commercial purposes.
Commercial use is subject to the rules and regulations
of the trade association responsible. Sennheiser, as
the manufacturer, is therefore obliged to expressly
point out possible health risks arising from use.
The HDE 2020 D stethoset receivers are 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 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 time
only) that you can no longer hear high notes.
Normal use of the equipment
Normal use of the equipment includes:
using the equipment for commercial purposes,
reading these instructions and, in particular, the
section "Important safety Instructions" on page 2,
only using the equipment under the operating
conditions, as described in these instructions.
Using the equipment other than as described in these
instructions or non-compliance with the operating
conditions is considered improper use.
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