Tap the touch screen to display/select buttons for the equipment.
To switch off, tap Off or Exit/Shutdown, and then confirm with Shutdown Now.
Newer lecture ‘Digital‘ theatres have audio ‘send’ and multiple projectors and lectern monitor selectable for each input source, and separate mic(red \ ) and speaker(white \ ) mutes.
Some also have sub-menu/s for additional facilities like Camera, Lighting and Blinds controls.
MB704 TSW752 touch panel
MB653 TSW750 panel
TSW panel Shutdown confirm