1、能记录整个赛程的比赛时间，并能修改比赛时间、暂停比赛时间。



2、能随时刷新甲、乙两队在整个赛程中的比分。



3、中场交换比赛场地时，能交换甲、乙两队比分的位置。



4、比赛时间结束时，能发出报警指令-1, to record the race of the match, and can modify the playing time, suspension of playing time. 2, can be refreshed at any time A, B and two scores in the entire race. 3, midfielder exchange venues, can exchange A and B teams score position. 4, end of game time, can send alarm instructions