SPARK WIRELESS
Operating Instructions
6) If you begin to hear buzzing or ringing in the ears (tinni-
tus), experience a loss of hearing or ‘mued’ hearing, stop
using the headphones immediately. If the symptoms continue
after a few hours, consult an ENT doctor immediately. In
some cases, immediate treatment may avoid permanent
hearing problems.
Exposure to excessive volumes (over 85dB) for more than
one hour can cause irreparable damage to your hearing.
7) Set the volume to minimum before connecting your Focal
headphones, then turn up the volume. Once the headphones
are in place, gradually increase the volume to a comfortable
and reasonable level. Always use the headphones with the
protective ear cushions or tips.
8) NEVER drive a vehicle (car, motorbike, boat...) or ride
a bike while wearing the headphones. Not only is this
behaviour dangerous, it is also illegal. In some countries, a
breach of the highway code for driving without due care and
attention (if the driver’s concentration is reduced in any way)
may result in a penalty.
We advise against wearing the headphones while riding a
bike, running, walking or carrying out any other activities in
busy places. If you do wear the headphones in such places,
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General
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