[. . . ] Plantronics Blackwire TM C610-M Blackwire C620-M U SER GU ID E 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. [. . . ] Identify the Components 1 Adjustable Headband 2 Receiver 3 Click Stop Turret 4 Clothing Clip 5 Headset Cord 6 Ear Cushion 7 Boom 8 Noise-Canceling Microphone 7 8 3 3. 1 Front Back 3. 2 3. 4 3. 3 3. Adjust the Mouthpiece 3. 1 Hold the receiver securely against your ear with one hand. With your other hand, adjust the clickstop turret and the microphone so that the tip sits two finger- widths from the corner of your mouth. (To prevent breath noise, avoid putting the microphone in front of your mouth. ) 3. 2 Carefully bend and shape the boom with both hands as shown. Avoid bending or twisting the boom near the microphone or earpiece. 4 5 USING YOUR HEADSET Answering/Ending/Making Calls with Microsoft Office Communicator To make a call, select a contact or dial the number via Office Communicator. To answer or end a call, simply press the call answer end button. TROUBLESHOOTING Problem I cannot hear caller. Solution · The USB adapter is not set as the default audio device. Use the Audio settings in Windows under Sounds and Audio Devices to select "Plantronics Blackwire C610-M/C620-M" as the audio device. Use the Voice settings in Windows under Sounds and Voice Devices to select "Plantronics Blackwire C610-M/C620-M" as the voice device. · Lower the listen volume on your softphone until the distortion disappears. · Adjust volume on headset. Adjusting Volume To increase listening volume, press the upper end (+) of the volume button. To adjust the listen or speak volume of the Microsoft Office Communicator, please refer to the softphone user documentation. [. . . ] Plantronics, the logo design, Blackwire and Sound Innovation are trademarks or registered trademarks of Plantronics, Inc. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the US and/or other countries. [. . . ]