Beats Electronics LLC B0516 ユーザーズマニュアル
ENGLISH
SOUND
NOISE LEVEL
(dB)
EFFECT
Whisper
30
Very quiet
Quiet Office
50-60
Comfortable hearing levels
are under 60 dB
are under 60 dB
Vacuum Cleaner,
Hair Dryer
Hair Dryer
70
Intrusive; interferes with
telephone conversations
telephone conversations
Food Blender
85-90
85 dB is the level at which hearing
damage (8 hr) begins
damage (8 hr) begins
Dustbin Lorry,
Cement Mixer
Cement Mixer
100
No more than 15 minutes of
unprotected exposure recommended
for sounds between 90-100 dB
unprotected exposure recommended
for sounds between 90-100 dB
Power Saw,
Drill/Jackhammer
Drill/Jackhammer
110
Regular exposure to sound over 100 dB
of more than 1 minute risks permanent
hearing loss
of more than 1 minute risks permanent
hearing loss
Rock Concert (varies)
110-140
Threshold of pain begins
around 125 dB
around 125 dB
* Chart information from http://www.nidcd.nih.gov/health/education/teachers/pages/common_sounds.aspx
This decibel (dB) table compares some common sounds and shows how they rank in
potential harm to hearing.
fCC StatEmENt
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
fCC raDIatIoN EXpoSUrE StatEmENt
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This transmitter must not be co-located or operating in conjunction with
any other antenna or transmitter.
any other antenna or transmitter.
This equipment complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may
cause undesired operation.
ENGLISH
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08/03/14 1:48 PM