Button activation from within track

Any suggestions on how to create an active invisible button within the entirety of a track? Working on a project here that uses a track ball for navigation and we want to allow the user the ability to exit the program at any point to return to the main menu.
Any suggestions are welcome!
Thanks,
Drew

Hi Drew
You can do this using buttons-over-video, the manual can give you a better description of how to do it than I can. The buton operates in the subtitle stream so if you want the button to be invisible it's easy. BTW, your viewer could always just hit the menu button on their remote and do the same thing.
Cheers
B

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