| 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: When an error command is received by an error command receiving part 601 and an error annunciation control part 604 is already announcing an error based on another error command, a comparison part 605 compares the predetermined priority orders of the received error command and the error command under the execution of the error annunciation by the error annunciation control part 604. If the priority order of the received error command is lower than that of the error command under the execution of the error annunciation and when it is during the annunciation period of the received error command at the point of time of ending the annunciation based on the error command under the execution, the annunciation based on the received error command is started, and the annunciation by display based on the received error command is continuously performed during the annunciation period. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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