DurationIncludesText
value = 0: displayed duration and endtime of an item do not consider item's text duration;
value = 1: duration and endtime consider item's text duration (except if running in Auto-Mode or item is sequenced);

Change this value while runtime via menu in right part of showlist item: Settings->Include text duration or select menu item "Settings" in the system menu.
Possible values: 0, 1
Default value: 1