24小时制式，前面四位数码管分别显示小时值和分钟值 *

* 发光二极管用来表示秒钟十位值，第五位数码管显示秒钟的个位值 *

* 秒钟的读数方法是:发光二极管的点亮个数 ＋ 第五位数码管显示值 *

* 如发光二极管亮3个，第五位数码管显示6，表示当前秒钟值为36妙-24-hour format, respectively, in front of four digital tube display hours and minutes value* value * light-emitting diode used to represent the value of 10 seconds, the fifth digital display second digit value* * second reading method are: the number of LED lights+ fifth digital display value* * If LED light 3, the fifth digital display 6, said current value is 36 seconds of magic