JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Symbols used in Playlist application The following table describes the symbols used to describe the properties of items in the list— play events, sections, and the list itself. Symbol Description Locked: The item is locked and cannot be edited. Pause: At the end of playout, this item will cause playout to pause. Loop: At the end of playout, the item will repeat. GPI Output Trigger: This event or section triggers one or more GPI outputs. Parent topic: Before using Playlist application