Sennheiser Set 820 S Bedienungsanleitung Seite 38

A battery has a service life of 1-2 years and should be replaced if the ope-
rating time decreases.
Sennheiser batteries can be recycled. Please dispose of the batteries as
special waste or return them to your specialist dealer. To protect the envi-
ronment, only dispose of totally exhausted batteries which cannot be re-
charged.
Additional information
The audio transmission technology used with this unit is basically that of
a radio. According to today's scientific knowledge, the radio waves
emitted by this unit are not harmful to humans or animals.
Varnish or furniture polish may degrade the rubber feet of the transmitter.
Place the transmitter on a nonslip pad to avoid potential staining of furni-
ture.
Use a soft cloth for cleaning the units. Do not use abrasive cleaners.
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