Under the Proj Input menu on the left, choose the item you wish to appear on the screen.
Display a Different Image on Each Projector
Tap Full System On Separate Images.
Under Main Projector, choose the item you wish to show on the main screen.
Under the Smartboard menu, choose the item you wish to show on the wall-mounted screen. Note: the menu for this room says Smartboard. The second screen is not a Smartboard.