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Article ID: 000031016
Last Modified Date: 05/15/2021
Access Level: Public

CS540 Headset Controls

Controls of the CS540 headset 1 - Volume/Mute Button
  • To increase the volume, press the volume button up (down if wearing headset on your left ear).
  • To decrease the volume press the volume button down (up if wearing headset on your left ear).
  • To mute/unmute the headset, push in the volume/mute button. When you press the mute button, you will immediately hear 3 beeps in the headset to indicate mute on and off.
2 - Call Button
  • To place, answer, or end a call, briefly press the call button.
3 - Headset Indicator Light
  • Flashes white when in use
  • Solid white when in subscription mode
Note: For your safety, do not use the headset at high volumes for extended periods of time. Doing so can cause hearing loss. Always listen at moderate levels.