Computer Lab Style 1 By rachael February 14, 2024 Display on Screen: Tap Projector On. Select the Screen you want. You can choose to display in one or both rooms. Step 1-2 Choose the input or device you wish to display on the projector screen. Note: the Blank Screen option will stop the currently selected image from projecting. Step 3 When Finished: Tap Return to Main Page. Choose System Off.