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Headset Safety
When using a headset, set the Cius volume to a safe level. Permanent hearing loss or damage may occur
if headsets are used at high volume.
Do not use a headset at high volume to block out other noise. Lower the volume if you cannot hear
people speaking near you.
If you experience ringing in your ears, muffled voices, or other signs of hearing loss or damage, stop
using your headset and have your hearing checked.
Avoid using a headset while operating a vehicle. Using a headset while operating a vehicle can be
distracting and dangerous, and is illegal in some areas. Likewise, avoid using a headset while
performing any activity that requires your undivided attention.
Bluetooth Wireless Headset Performance
Cisco Cius supports Bluetooth Class 2 technology when the headsets support Bluetooth. Bluetooth
enables low-bandwidth wireless connections within a range of 30 feet (10 meters). The best
performance is in the 3- to 6-foot (1- to 2-meter) range. You can connect up to five headsets, but only
the last one connected is used as the default.
Because there can be potential interference issues, it is recommended that you move 802.11b/g devices,
Bluetooth devices, microwave ovens, and large metal objects away from the wireless headset.
For a Bluetooth wireless headset to work, it does not need to be within direct line-of-sight of the phone.
Some barriers, such as walls or doors, and interference from other electronic devices can affect the
Bluetooth connection.
FCC Compliance Statements
The Federal Communications Commission requires compliance statements for the following:
• FCC Part 15.21
• FCC Receivers and Class B Digital
FCC Part 15.21 Statement
Changes or modifications not expressly approved by the party responsible for compliance could void
the user's authority to operate the equipment.
Cisco Cius User Guide
Product Safety, Security, Accessibility, and Related Information
115
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Troubleshooting
