Using a second display as a teleprompter is called dual-screen prompting. To control whether Presentation Prompter uses one or two displays:

  1. Show the Preview window if it is not already displayed by choosing Window ‣ Preview ⌥⌘P.
  2. Click the “Use second display” checkbox to set dual-screen use.

    Use second display button

If “Use second display” and the options below it are disabled or highlighted, the bottom of the Preview window tells you why (e.g., “second display is not connected”). If the problem can be fixed with a display configuration change, a button will be provided to do so. More about this.

When “Use second display” is on, the Preview window is what the talent sees.

Tip: When “Use second display” is on, click the green window Zoom button Window zoom button to match your document window to the output size.

Text flipping

Text flipping flips content either horizontally or vertically on the talent screen for use with a mirror enclosure.

Example of horizontal flipping:

Operator window example Talent window example
Operator screen Talent screen

Example of vertical flipping:

Operator window example Talent window example
Operator screen Talent screen

To use text flipping:

  1. Ensure “Use second display” is on as described above.
  2. Set horizontal text flipping on or off with the “Flip horizontally” checkbox in the Preview window.

    Flip text for talent button

  3. Set vertical text flipping on or off with the “Flip vertically” checkbox in the Preview window.

    Flip text for talent button

When any text flipping options are used, the Preview window continues to display an unflipped preview so you can follow along with the talent in Edit mode.

Video mirroring

If you need dual-screen prompting but do not need to use text flipping, you can video mirroring in macOS for even more performance. See how to set extended desktop or video mirroring for more information.

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