PLANTRONICS INC M165 ユーザーズマニュアル
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en
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Important Safety and Operational Information
Please read the following safety and operational instructions before
using your headset/headphones and accessories. Please keep these
instructions for your reference. Additional warnings may be present
on the product, packaging, or in the user instructions. This symbol
Please read the following safety and operational instructions before
using your headset/headphones and accessories. Please keep these
instructions for your reference. Additional warnings may be present
on the product, packaging, or in the user instructions. This symbol
identifies and alerts the user to the presence of important safety
warnings.
General
General
Operating, storage and charging temperature is 0°C to 40°C (32°F
to 104°F).
to 104°F).
Warnings
• Exposure to high volume sound levels or excessive sound pressure
may cause temporary or permanent damage to your hearing.
Although there is no single volume setting that is appropriate
for everyone, you should always use your headset/headphones
with the volume set at moderate levels and avoid prolonged
exposure to high volume sound levels. The louder the volume, the
less time is required before your hearing could be affected. You
may experience different sound levels when using your headset
/headphones with different devices. The device you use and its
settings affect the level of sound you hear. If you experience
hearing discomfort, you should stop listening to the device
through your headset/headphones and have your hearing checked
by your doctor. To protect your hearing, some hearing experts
suggest that you:
Although there is no single volume setting that is appropriate
for everyone, you should always use your headset/headphones
with the volume set at moderate levels and avoid prolonged
exposure to high volume sound levels. The louder the volume, the
less time is required before your hearing could be affected. You
may experience different sound levels when using your headset
/headphones with different devices. The device you use and its
settings affect the level of sound you hear. If you experience
hearing discomfort, you should stop listening to the device
through your headset/headphones and have your hearing checked
by your doctor. To protect your hearing, some hearing experts
suggest that you:
1. Set the volume control in a low position before putting your
headset or headphones on your ears and use as low a volume
as possible.
as possible.
2. Avoid turning up the volume to block out noisy surroundings.
Whenever possible, use your headset or headphones in a quiet
environment with low background noise.
environment with low background noise.
3. Limit the amount of time you use headsets or headphones at
high volume levels.
4. Turn the volume down if the sound from the headset/
headphones prevent you from hearing people speaking near
you.
you.
See www.plantronics.com/healthandsafety for more information on
headsets/headphones and hearing.
• Use of a headset/headphones that cover both ears will impair
headsets/headphones and hearing.
• Use of a headset/headphones that cover both ears will impair
your ability to hear other sounds. Use of such headset/
headphones while operating a motor vehicle or riding a bicycle
may create a serious hazard to you and/or others, and is illegal in
most regions.
headphones while operating a motor vehicle or riding a bicycle
may create a serious hazard to you and/or others, and is illegal in
most regions.
• Check local laws regarding use of a mobile phone and headset/
headphones while driving. If you use the headset/headphones
while driving ensure your attention and focus remain on driving
safely.
while driving ensure your attention and focus remain on driving
safely.
• Observe all signs and instructions that require an electrical device