| 摘要 |
<P>PROBLEM TO BE SOLVED: To efficiently and effectively detect a game machine with a risk of fraudulence, or to improve the effect of preventing the fraudulence. Ž<P>SOLUTION: If announcing an error based on a power supply time specifying command or a power restoration time specifying command when a tray full error start specifying command is received by an error command receiving part 601, and when it is during the annunciation period of the tray full error start specifying command at the point of time of ending the annunciation based on the power supply time specifying command or the power restoration time specifying command, the annunciation based on the tray full error start specifying command is started, and the annunciation based on the tray full error start specifying command is continuously performed during the annunciation period. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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