| 摘要 |
PROBLEM TO BE SOLVED: To prevent interruption on a big prize operation. SOLUTION: The big prize operation is temporarily stopped when the prescribed conditions are met, then it is resumed when retention release conditions are met, therefore any trouble occurring during the big prize operation can be coped with at a margin without anxiety, not to impair the interest of players. The hall side has excellent effects such as the reduction of failures of game machines and troubles with the players, quick responses by workers, and the prevention of the deterioration of the fiduciary relation with the players.
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