For ITV SMPTE-363M enhancements that use PIP mode, the HTML file specified in the enhancement includes information for the size and position of the video image (see
Understanding ITV Modes). For preview purposes, you can edit the size and position of the video image. This edit does not change the information in the original AEO file or the source HTML file.
The name of the image file is displayed as the HTML Page Location.
The size and position of the video image specified in that HTML page
is displayed, in pixels, in the Video Rectangle area of the dialog box.
The video is displayed in the new location.