| 摘要 |
PROBLEM TO BE SOLVED: To suitably cope with a theft taking advantage of a loophole in a theft preventing function when performing divisional issue of an owned ball ticket capable of specifying some of owned balls which are acquired media acquired by a player.SOLUTION: When the player operates a limit button provided on each machine counter 3, a plurality of issued owned ball tickets are put in the surveillance state, and when the player operates to release the owned ball ticket under surveillance, the surveillance state is released. Thus, a use limitation is quickly put on the owned ball ticket unlawfully issued by a dishonest person, and on the other hand, there is no risk of causing a player who performs normal issue processing to feel unpleasant more than necessary. |
