通常设置一台抢答器，通过数显、灯光及音响等多种手段指示出第一抢答者。同时还可以设置记分、犯规及奖励记录等多种功能-Usually set a Responder, via digital display, lighting and sound and other means to direct the first answer in person. Also can set score, fouls and award records and other functions