Datavideo iCAST MINI Instruction Manual page 26

4. PIP Mode (Front-Presenter/Rear-PowerPoint Slide): Please tap this button
to show the two video input sources which are connected to the iCAST MINI
as the "Front-Presenter/Rear-PowerPoint Slide" PIP mode to the external
monitor.
5. Camera Preset 1/2/3/4: If the Camera Preset positions are set in advance,
the thumbnails of the "CAMERA>POSITION1/2/3/4" will be shown in this area
which are shown in the following diagram.
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