Pioneer PD-F904 Operating Instructions Manual page 3

{FOR U.S. MODEL]
CAUTION
exposure
Information to User
ING
AR EENING
Dear Customer:
To establish a safe level:
Decibel
Level Example
30 Quiet library, soft whispers
40
Living room, refrigerator, bedroom away from traffic
50
Light traffic, normal conversation, quict 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.
3
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