MediaShout provides two ways to change the displays between screen modes—using either the Screens menu or Toolbar buttons.
Single Screen mode is what you will always use when you are not connected to additional displays, and this is all you need to create and edit your script. When you are in Single Screen mode, you can use Overlay display to preview what your script will look like when displayed in a large, full-screen format. Simply hit Escape to exit from Overlay.
Dual Screen mode is what you will use when you are presenting using a secondary display like a projector. This mode will be greyed-out or disabled when you are not connected to a display that MediaShout is able to use.
Triple Screen mode is used when you have separate displays for your audience and your platform team. This requires a separate video output for both the Main display and Stage display.