开机时显示12.00 ，按下s1对‘时’进行调整，每按一下时加1；按下S2对‘分’进行调整，每按一下分加1；按S3对‘秒’进行调整，每按一下秒。加1-12.00.00 boot display, press s1 on the ' time' adjustment for each click when you add 1 press S2 on the ' points' to adjust, plus 1 point for every click by S3