Pioneer CT-W505R Operating Instructions Manual page 19

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Selecting fine audio equipment such as the unit you've just pur-
chased is only the start of your musical enjoyment. Now it's time to
consider how you can maximize the fun and excitement your equip-
ment offers. This manufacturer and the Electronic Industries
Association's Consumer Electronics Group want you to get the
most oul of your equipment by playing it at a safe level. One that
lets the sound come through loud and clear without annoying blar-
ing or distortion-and, most importantly, without affecting your sen-
sitive 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 dam-
age or loss in the future. After all, we want you listening for a life-
time.
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
al 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 plane
180 Rocket launching pad
Information courtesy of the Deafness Research Foundation.
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