Plantronics manual Using Your MCD100-M USB Speakerphone, Volume Up, Volume Down, and Mute

3 Using Your MCD100-M USB Speakerphone

Volume Up, Volume Down, and Mute

1Press the down arrow (left button) to decrease the speaker volume.

2Press the up arrow (right button) to increase the speaker volume.

Note A prolonged press of the Volume buttons will increase or decrease the volume several levels until you stop pressing the button. The MCD100-M will beep when a volume up button or volume down button is pressed and a series of beeps when a prolonged press is performed. Each beep signals one level of volume increase or decrease.

3Press the microphone icon (middle button) to mute the microphone. A blue light will flash indicating that the microphone is muted.

4Press this button again to unmute. The blue light will become solid indicating the microphone is unmuted.

Plantronics MCD100-M USB Speakerphone 8