电路通电后进入初始化状态：灯L1亮，数码管全亮，蜂鸣器接通，1s后全部关闭，显示时间设定11-50-59。(The circuit is energized to enter the initialization state: the lamp L1 bright, the digital tube is full bright, the buzzer is connected, the 1s all closes, the display time set 11-50-59.)