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Dear Customer:
Selecting fine audio equipment such as the unit you've just purchased is only the start of
your musical enjoyment. Now it's time to consider how you can maximize the fun and
excitement your equipment offers. This manufacturer and the Electronic Industries
Association's Consumer Electronics Group want you to get the most out of your equipment
by playing it at a safe level. One that lets the sound come through loud and clear without
annoying blaring or distortion and, most importantly, without affecting your
sensitive hearing.
Sound can be deceiving. Over time your hearing "comfort level" adapts to higher volumes
of sound. So what sounds "normal" can actually be loud and harmful to your hearing. Guard
against this by setting your equipment at a safe level BEFORE your hearing adapts.
To establish a safe level:
• Start your volume control at a low setting.
• Slowly increase the sound until you can hear it comfortably and clearly, and
without distortion.
Once you have established a comfortable sound level:
• Set the dial and leave it there.
Taking a minute to do this now will help to prevent hearing damage or loss in the future.
After all, we want you listening for a lifetime.
We Want You Listening For A Lifetime
Used wisely, your new sound equipment will provide a lifetime of fun and enjoyment. Since
hearing damage from loud noise is often undetectable until it is too late, this manufacturer
and the Electronic Industries Association's Consumer Electronics Group recommend you
avoid prolonged exposure to excessive noise. This list of sound levels is included for
your protection.
Decibel
Level
30 Quiet library, soft whispers
40 Living room, refrigerator, bedroom away from traffic
50 Light traffic, normal conversation, quiet office
60 Air conditioner at 20 feet, sewing machine
70 Vacuum cleaner, hair dryer, noisy restaurant
80 Average city traffic, garbage disposals, alarm clock at two feet
THE FOLLOWING
CONSTANT EXPOSURE:
90 Subway, motorcycle, truck traffic, lawn mower
100 Garbage truck, chain saw, pneumatic drill
120 Rock band concert in front of speakers, thunderclap
140 Gunshot blast, jet engine
180 Rocket launching pad
Information courtesy of the Deafness Research Foundation.
Example
NOISES CAN BE DANGEROUS
3
UNDER
We
Want You
LISTENING
For A Lifetime
EIA
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