You can change or adjust the items in the presenter display at any time during a presentation. Additional slideshow controls are available to you through the presenter’s view, making it easy to jump to any slide, pause your presentation on a black screen, and more.
To access the controls, move the pointer to the top edge of the Presenter Display during your presentation.
A toolbar with four buttons drops down.
Swap Displays: Reverses the display setup, so that the presenter display appears on the screen where the slideshow was, and vice versa.
Scale Slides to Display: Adjusts the size of the slide so that it fills the screen as much as possible, without changing its aspect ratio.
Customize Presenter Display: Allows you to select which items you want to appear on the presenter display and to rearrange and resize them. For details, see Customizing the Presenter Display.