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6
Hearing safety
Listen at a moderate volume.
Using headphones at a high volume can •
impair your hearing. This product can
produce sounds in decibel ranges that may
cause hearing loss for a normal person,
even for exposure less than a minute. The
higher decibel ranges are offered for those
that may have already experienced some
hearing loss.
Sound can be deceiving. Over time your •
hearing ‘comfort level’ adapts to higher
volumes of sound. So after prolonged
listening, what sounds ‘normal’ can actually
be loud and harmful to your hearing. To
guard against this, set your volume to a safe
level before your hearing adapts and leave
it there.
To establish a safe volume level:
Set your volume control at a low setting. •
Slowly increase the sound until you can •
hear it comfortably and clearly, without
distortion.
Listen for reasonable periods of time:
Prolonged exposure to sound, even at •
normally ‘safe’ levels, can also cause hearing
loss.
Be sure to use your equipment reasonably •
and take appropriate breaks.
Be sure to observe the following guidelines
when using your headphones.
Listen at reasonable volumes for •
reasonable periods of time.
Be careful not to adjust the volume as your •
hearing adapts.
Do not turn up the volume so high that •
you can’t hear what’s around you.
You should use caution or temporarily •
discontinue use in potentially hazardous
situations. Do not use headphones while
operating a motorized vehicle, cycling,
skateboarding, etc.; it may create a traffi c
hazard and is illegal in many areas.
Do not mix batteries (old and new or •
carbon and alkaline, etc.).
Remove batteries when the unit is not •
used for a long time.
o Apparatus shall not be exposed to
dripping or splashing.
p Do not place any sources of danger on
the apparatus (e.g. liquid fi lled objects,
lighted candles).
q This product may contain lead and
mercury. Disposal of these materials
may be regulated due to environmental
considerations. For disposal or recycling
information, please contact your local
authorities or the Electronic Industries
Alliance: www.eiae.org.
Caution
Use of controls or adjustments or performance of •
procedures other than herein may result in hazardous
radiation exposure or other unsafe operation.
Warning
Never remove the casing of this unit. •
Never lubricate any part of this unit.•
Place this unit on a fl at, hard and stable surface.•
Never place this unit on other electrical equipment.•
Only use this unit indoors. Keep this unit away from •
water, moisture and liquid-fi lled objects.
Keep this unit away from direct sunlight, naked fl ames
•
or heat.
Never look into the laser beam inside the unit.
•
Warning
Where the MAINS plug or an appliance coupler is used •
as the disconnect device, the disconnect device shall
remain readily operable.
EN