Sony Walkman NW-MS70D Operating Instructions Manual page 91

We Want You
Listening
For
A Lifetime
50
60
Used wisely, your new sound equipment will
provide a lifetime of fun and enjoyment. Sony 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.
Light traffic, normal conversation, quiet office
Air conditioner a t 20 feet, sewing machine
30
I Quiet library, soft whispers
8o
Living room, refrigerator, bedroom away from
40
Average city traffic, garbage disposals, alarm
clock a t two feet
90
100
70
I
Vacuum cleaner, hair dryer, noisy restaurant
Subway, motorcycle, truck traffic, lawn mower
Garbage truck, chain saw, pneumatic drill
I
140
180
Gunshot blast, jet plane
Rocket launching pad
Rock band concert in front
of
speakers,
thunderclap
120
I
Information courtesy of the Deafness Research Foundation.
SONY