| 摘要 |
PROBLEM TO BE SOLVED: To prevent a malpractitioner from canceling the error notification. SOLUTION: At least one is selected at random from two or more switches (a door key switch, a setting key switch, a resetting key switch or the like) which are disposed in a game machine to be used for canceling the error notification. A liquid crystal display section displays which switch is selected. The outputs of the two or more switches are supervised. When the selected switch is operated, the error notification is canceled and when the switch other than the selected switch is operated, the error notification is not canceled and the situation is maintained until a power source is cut off. COPYRIGHT: (C)2007,JPO&INPIT
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