[. . . ] Plantronics Entera TM USB HW121N-USB & HW111N-USB 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. [. . . ] 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 "HW121N-USB or HW111N-USB" as the audio device. Align the headset boom with your mouth. Adjusting Volume · The USB adapter is not set as the default Voice device. Use the Voice settings in Windows under Sounds and Voice Devices to select "HW121N-USB or HW111N-USB" as the voice device. · Lower the listen volume on your softphone until the distortion disappears. The other headset I was using to listen to music does not work any more. · The USB adapter will set itself as the default audio device in Windows. Use the Audio settings in Windows under Sounds and Audio Devices to change the device used for audio. [. . . ] Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the US and/or other countries. Patents EM 001024681-0001; 001024681-0002; Patents Pending 81997-01 (05. 09) [. . . ]