These displays are often found in railway stations and airports, where they serve as flight information display system and typically display departure or arrival information, although digital equivalents are far more common now.
这类显示装置，经常出现于铁路车站和机场，在那里作为航班信息显示系统，典型的是显示出发或到达班次的信息——尽管数字形式的现时更为常见。