当进入调整功能时，按第一个键K1进行减运算，按第二个键K2进行加运算。

按下第三个键K3,实现日期\时间调整及\定时功能，等数字闪烁后，按一二键进行加减，从而可以进行具体日期时间调整。

按下第四个键K4，可以进行时间\日期切换，8位LED数码管将显示时间或日期，采用24小时制。

时间显示格式为：时-分-秒；日期显示格式为：日-月-年。

具有实时显示当前计算机系统时间和日期的功能。-When entering the adjustment, press the first key K1 to subtract, press the second key K2, the additional operations. Press the third key K3, implementation date \ time to adjust and \ timing functions, and other digital flashes, press the plus or minus one or two keys to the specific date and time can be adjusted. Press the fourth key K4, can be time \ date switch, 8-bit LED digital tube will display the time or date, a 24-hour clock. Time display format is: Time- minutes- seconds　date display format: day- month- year. Computer system with real-time displays the current time and date functions.