Mute A Call - Plantronics blackwire 725 User Manual

Listening Volume
Press the volume up button
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Press the volume down button on the headset inline control to decrease listening volume.
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Mute a Call

During a call, press the mute button on the headset inline control to mute the microphone. When
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mute is on, the mute LED is solid red (you will still be able to hear the caller).
To turn mute off, press the mute button again.
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on the headset inline control to increase listening volume.
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