ArcSoft SHOWBIZ 2 - Manual (Page 48)

Chapter 4: Create
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Click here to save your background as a
reusable template under the Themes section.
Click and drag audio to this spot to have
music/narration play during the current menu.
Check this box to animate the
menu thumbnails (the
respective chapter will play
within the chapter button for
the specified time). Click
"Preview Animation" to see it at work.
When you are
working in the Set Chapters tab, an area like this appears beneath
the preview area, showing you a "tree view" of your menu and
submenus.