Microsoft Surface Hub 2 SmCamera - Manual (Page 449)

Adjust Surface Hub 2S brightness,
volume, and input
Article • 01/03/2023
Surface Hub 2S provides an on-screen display for volume, brightness, and input control.
The Source button functions as a toggle key to switch between the volume, brightness,
and input control menus.
Press and hold the Source button for 4 seconds.
When the on-screen display is visible, use one or more buttons to reach desired
settings.
To show the on-screen display
To adjust volume