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busylights. To re-activate the Busylight function, hold the Volume up and Volume down buttons
simultaneously for 5 seconds.
This video demonstrates how to use the Busylights
https://www.youtube.com/watch?v=QhM75KoN3sk&list=PLlt1pufV0_bWPEzfZ7HMQJpz0U5sMr
xR8&index=4
4.5 Active Noise Cancellation
Active Noise Cancellation (ANC) reduces outside disturbance to a minimum, allowing you to fully
focus on your work or call.
Press the ANC button to switch Active Noise Cancellation on/off.
4.6 Listen-in
Listen-in enables you to hear your surroundings without having to take off the headset. Your music
and calls will be muted (but not paused) when Listen-in is on.
