How to mute the call of the 1750/1 Miro video handset

Press and hold the button with one 'dot' for 5 seconds

The LED will flash yellow

Press the button with three dots

Each time you press the button you will hear the monitor cycle between LOUD, LOW and MUTE

When you have chosen a call volume or mute, press and hold the button with one 'dot' for 5 seconds