Page 2
Welcome Package Contents 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.
Powering On Powering on the Blackwire C420-M The USB headset is automatically powered on when inserted into the USB port of the computer. 2. Adjust the Microphone Boom and Headband Rotate the microphone boom until it is aligned with your mouth.
Communicator as the default for speakerphone or system sounds. If you wish to change the Troubleshooting audio setup in Microsoft Office Communicator, refer to the Microsoft user guide. For compatibility with additional UC applications, download Plantronics software at plantronics.com/software. Problem Solution I cannot hear caller.
Need help?
Do you have a question about the Blackwire C420-M and is the answer not in the manual?
Questions and answers