About Auto Subclip mode
In Auto-Subclip mode, you simply set mark-in, then set mark-out. On setting mark-out, the subclip is automatically generated and ejected, and a new subclip name is loaded in the Subclip display.
Auto Subclip mode is useful when you want to create subclips while a source clip is playing. You simply load a clip, press play, then create subclips by selecting In, Out, In, Out, etc.
To enable Auto Subclip mode: