This option will display the icone allowing you to choose the global chaining mode in the playlist.
This icone has 3 functions :By default, Mix mode, manual mode. Each click changes the mode.
All items will be "by default". AirDDO will apply chainings defined during palnification
All items in the playlist will be mixed (using inlink and outlink points). If those points doesn't exist, items will be played in "Cut mode"
Items will be played manually.