PLANTRONICS INC BB903 User Manual
EN
Important Safety and Operational Information
Please read the following safety and operational instructions before using your Bluetooth
®
headset 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.
This symbol identifies and alerts the user to the presence of important safety warnings.
General
Operating and storage temperature is 10°C to +40°C (50°F to +104°F)
Warnings
• Exposure to high volume sound levels or excessive sound pressure may damage your
hearing. Although there is no single volume setting that is appropriate for everyone, you
should always use your headset or 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 or 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 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
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.
• Use of a headset that covers both ears will impair your ability to hear other sounds. Use
of such a headset 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 while driving. If you use the
headset while driving ensure your attention and focus remain on driving safely.
• Observe all signs and instructions that require an electrical device or RF radio product to be
switched off in designated areas, such as gas/refuelling stations, hospitals, blasting areas,
potentially explosive atmospheres, or aircraft.
• Keep all products, cords, and cables away from operating machinery. As with all corded
products, there is a danger of strangulation if a cord should become wrapped around
your neck.
• This product is not a toy. Never allow children to play with the product—small parts may be
a choking hazard.
• Install and use eartips and earbuds in accordance with the instructions provided. Do not
force eartips or earbuds down the ear canal. If either becomes lodged in the ear canal,
seek medical attention immediately.
• Ensure eartips and earbuds are kept clean and free of ear wax buildup to maintain the
specified product performance.
• Applying excessive pressure to the headset may injure the outer ear. Do not wear the
headset while sleeping or in other situations where pressure may be exerted against
the headset.