Plantronics manual Plantronics MCD100-M USB Speakerphone

For Windows Vista, click on the following: “Start”, “Control Panel”, “Hardware and Sound”, “Sound – Manage Audio Devices”. From there select the Playback tab and make any further adjustments to MCD100-M (speaker) settings. Then select the Recording tab and make any further adjustments to the MCD100-M (microphone) settings.

Plantronics MCD100-M USB Speakerphone 7