Move the mouse over tabs and buttons for descriptions; those commencing with 'GOTO' can be clicked to simulate the touch panel action.
To show the Desktop PC on the left projector screen, touch the House PC button located under the Left Projector heading on the touch panel.
Ensure the PC audio is turned up and not muted if there is an audio commonent of the presentation and that the audio is routed to the same projector where the PC content is shown - if content shown on left projector, ensure audio follows left projector.