Press 'down', 'right', 'n', 'enter', 'page down' or 'spacebar' for next slide
Press 'left', 'top', 'p' or 'page up' for previous slide
Press 'f5' to enter fullscreen, then press 'escape' to exit again.
Open the 'projector' preview on the side to see the current projector view.
Live projector