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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 excite-
ment 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 elvel BEFORE your hearing adapts.
To establish a safe level:
•
•
Once you have established a comfortable sound level:
•
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.
Start your volume control at a low setting.
Slowly increase the sound until you can hear it comfortably and clearly, and without distor-
tion.
Set the dial and leave it there.
Decibel
THE FOLLOWING NOISES CAN BE DANGEROUS UNDER CON-
STANT EXPOSURE:
Level
30
40
50
60
70
80
Quiet library, soft whispers
Living room, refrigerator, bedroom away from traffic
Light traffic, normal conversation, quiet office
Air conditioner at 20 feet, sewing machine
Vacuum cleaner, hair dryer, noisy restaurant
Average city traffic, garbage disposals, alarm clock at
two feet
90
100
120
140
180
Subway, motercycle, truck traffic, lawn mower
Garbage truck, chain saw, pneumatic drill
Rock band concert in front of speakers, thunderclap
Gunshot blast, jet engine
Rocket launching pad
Information courtesy of the Deafness Research Fonndation.
Example