Plantronics 510 USB User Guide - Page 9

USING YOUR HEADSET Adjusting Volume To increase listening volume, press the upper end (+) of the volume button. To decrease listening volume, press the lower end (-). To adjust the listen or speak volume of the softphone, please refer to the softphone user documentation. To adjust the listen or speak volume of the audio device on the computer, use the Sound and Audio Device section on the control panel. Muting a Call During a call, briefly press the power/mute button to mute the microphone. When muted, the headset will sound two tones every 30 seconds. To unmute press the button again. INDICATOR LIGHTS Headset Indicator Lights Headset Status Power Charging Fully Charged Battery Low Pairing Bluetooth Device Connected to Headset Light Flashes Blue Flashes Red Solid Blue Flashes Red Flashes Red and Blue Flashes Blue Bluetooth USB Adapter Indicator Lights Action Disconnected from the Headset Connected to the Headset Radio Link Active Pairing Mode Light Flashes Purple Solid Blue Flashes Blue Flashes Red and Blue 16 0 0 17