Plantronics Voyager 520 User Manual page 18

the level of sound you hear. If you experience hearing discomfort, you should
stop listening to the device through your headset or headphones. To protect
your hearing, some hearing experts suggest that you:
1. Set the volume control in a low position before putting the headset or
headphones on your ears.
2. Limit the amount of time you use headsets or headphones at high volume.
3.
Avoid turning up the volume to block out noisy surroundings.
4. Turn the volume down if the sound from the headset or headphones
prevents you from hearing people speaking near you. See www.
plantronics.com/healthandsafety for more information on headsets and
hearing.
BATTERY WARNINGS
To reduce the risk of fire or injury to persons, read and follow these
instructions.
• Charge the headset according to the instructions supplied with the unit.
• Do not expose the battery to high temperatures.
• Do not puncture or otherwise damage the battery. The cell contains corrosive
materials which may damage eyes and skin and may be toxic if swallowed.
• Do not short-circuit the battery, as this may result in a sudden rise in
temperature.
• Do not incinerate the battery.
• Never put batteries in mouth. If swallowed, contact your physician or local
poison control center.
• Dispose or recycle the battery according to local and regional regulatory
requirements.
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Plantronics Voyager 520