Steren BAF-1295/USB, Руководство пользователя

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ENGLISH
ENGLISH-04
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. Steren recommend you avoid prolonged
exposure to excessive noise. This list of sound levels is included for
your protection.
The following noises can be dangerous under constant exposure:
Level Example
90 Subway, motorcycle, truck traffic, lawn mower
100 Garbage truck, chainsaw, pneumatics drill
120 Rock band concert in front of speakers
140 Gunshot blast, jet plane
180 Rocket launching pad
Level Example
30 Quiet library, soft whispers
40 Living room, refrigerator, bedroom away from traffic
50 Light traffic, normal conversation
60 Air conditioner at 20ft, sewing machine
70 Vacuum cleaner, hair dryer, noisy restaurant
80 Average city traffic, garbage disposals, alarm clock at 2ft