5
SAFETY PRECAUTIONS (CONTINUED)
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
Example
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 NOISES CAN BE DANGEROUS UNDER 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.
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LISTENING
For A Lifetime
Want You
DB3000.O/M.QXD 1/24/03 4:06 PM Page 5
