扳动定义为“开始”（即enable）的开关后，一排指示灯变亮，之后抢答开始，有4个扳动开关代表4个抢答器，数码管将显示出最先被扳动的开关的序号，同时发出声音，表示抢答成功。若未按“开始”前，有任意开关被扳动，则数码管显示被扳动开关的序号，并发出另一种声音，表示有人抢答。-reached for the definition of "start" (enable) the switch, a row of bright lights changed, after Responder, a four flick of a switch on behalf of four Responder, digital controls are to be shown first to be reached for the switch serial number, also issued voices saying Responder success. If the failure to "start" before it was switched on the flick, Digital Display was the flick of a switch the serial numbers, and issued another voice, someone Responder.