（1）能记录整个赛程的比赛时间，并能在比赛开始前设定比赛时间，在比赛过程中能暂停比赛时间。

（2）能随时刷新甲、乙两队在真个赛程中的比分，即对甲乙两队的分数进行加分和减分。

（3）中场交换比赛场地时，能交换甲、乙两队比分的位置。

（4）比赛结束时能发出报警提示。

（5）在每次交换球权后24秒能手动赋初值，进攻超过24秒计时暂停知道按下继续开始计时。

-(1) to record the entire leg and time, and can set the game time before the start of the game, pause the game time during the race. (2) at any time to refresh the A and B teams score really a race, namely A and B teams scores extra points and minus points. (3) the midfield exchange venue to exchange the position of the A and B teams were. (4) the end of the game which could give the alarm. (5) 24 seconds after each time the ball is exchanged manually given initial attack more than 24 seconds pause timing to know the press continue to start timing.