Globe airline room and observing machine , it is showed  the star moving active  situation in up the the indication machine and the in the center control machine at the same time. In the other word, indicate out situation to the inner machine 航空中心 及觀察器, 上置設置行星影像活動

影像可放映置上端及內部電腦皆可 ,同時做觀察活動

及做內外部雙向顯示.​