Deleting an Item in the past: Anything (Playlists, Videos, Audio, Graphics, Events) that lies completely in the past cannot be deleted.
Deleting an Item in the present (= On Air): Playlists, Audio and Graphics that are currently On Air may be deleted. A warning will be shown.
Videos which are On Air cannot be deleted but skipped by clicking the Play Next button in the On Air window.
Deleting an Item in the future: Anything (Playlists, Videos, Audio, Graphics, Events) that lies in the future may be deleted without warning.
