Plantronics Blackwire C320 - Headset Basics and Controls; Headset Inline Controls Overview

Headset inline control icons Function
Answer/End button*
Answers or ends a call
Incoming call
Flashes green
On a call
Solid green
Volume up button
Increases the listening volume
Volume down button
Decreases the listening volume
Mute/Unmute button
Mutes/unmutse the headset
microphone
Solid red when muted
* Plantronics software required. Plantronics software enables call control features including call
answer/end control.
Headset Basics
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