此程序是用来实现报警时间的，正常情况下，它是一个时钟，需要时，可以设置报警时间，也可以调整系统时间，当系统时间跟报警时间一致时，嗡明器就会响5秒钟。-This procedure is used to fulfill the alarm time, under normal circumstances, it is a clock, when necessary, can set the alarm time, you can adjust the system time, when the system time in line with the alarm time, the OM明器will ring five seconds bell.