Accessibility Skip to content
Article ID: 000028195
Last Modified Date: 12/10/2021
Access Level: Public

Blackwire 500 Series: How to Mute a Call

The following procedure details how to mute your Blackwire C510/C520/C510-M/C520-M headset during a call.
1. To mute the microphone during a call, press the mute button on the headset. NOTE: The mute LED turns solid red when the mute button is on.

Blackwire C510_C520 Mute button image
2. To turn mute off, press the mute button again.