To show the desktop PC on the projector screens, touch the Projectors tab and the Computer button.
If there is an audio component on your computer presentation make sure the desktop PC audio is turned up and not muted. Touch the Audio tab and then touch and slide the Program volume button do adjust the volume.
Hover the mouse over the tabs and buttons for a description. Tabs and buttons with descriptions commencing with ‘GOTO’ can be clicked for more information.