VII. Set Audio Preferences for MSN, AIM, Yahoo
In MSN, sometimes called Windows Messenger, click Tools->Audio and Video Tuning Wizard. Set the Microphone and Speakers to USB Headset.. To test the volume level in the Audio and Video Tuning Wizard, press the Call/Hangup button once to hear the test sound. When testing the microphone level, look for the green levels to change when speaking.
Dialog Phone User Guide
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