六位数码管显示时分秒，通过四个按键进行时间的控制。按下"调时"按键，时间显示停止；按下"选择时分秒"按键，数码管上方的发光二极管会点亮，对应着选中的要修改的时间是小时、分钟还是秒；按下"按下增加"按键，选中的时间将会增加；按下"完成"按键，时间继续显示。-When six minutes and seconds digital display, by the time the four control buttons. Press the " transfer time"　button, time display stops　press " Select when every minute"　button above the light-emitting diode LED will light, corresponding to the selected time is to modify the hours, minutes or seconds　Press "　Press the Add " button, select the time will increase　press the"　Finish " button, the time to display.