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Welcome
Welcome to the Plantronics family of headset products. Plantronics provides a wide range of
products from mission-critical and business-critical applications to personal communications
and entertainment. For additional information visit our web site at plantronics.com, where
you can visit our 24/7 support, browse through our knowledge base, chat live or ask a
question. We also feature a variety of installation tutorials to make set up quick and easy.
Please refer to the safety information found in the Quick Start Guide for important
product safety information prior to installation or use of the product.
Features
Package Contents
3
2
WARNING Do not use headphones/headsets at high volumes for an extended
period of time. Doing so can cause hearing loss. Always listen at moderate levels. See
plantronics.com/healthandsafety for more information on headsets and hearing.
Mute/Unmute LED
Volume Up
Volume Down
Registering your product online 2
Technical assistance 2
Package contents 3
Features 3
Powering on 4
Headset features 4
Using the headset 6
Troubleshooting 7
Blackwire C210-M
Blackwire C220-M
Registering Your Product Online
Visit plantronics.com/productregistration to register your product online so that we can
provide you with the best possible service and technical support.
Technical Assistance
Visit our web site at plantronics.com/support for technical support including frequently
asked questions, compatibility and accessibility information. The Plantronics Technical
Assistance Center (TAC) is also ready to assist you. Dial (800) 789-4971.
Answer/End