| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce work burdens accompanying the detaching work of a game medium receiving part over a plurality of machines. <P>SOLUTION: A plurality of card units with a machine counting function respectively installed in a game hall are grouped, and when wanting to simultaneously unlock the ball receiving tray units of the card units belonging to a certain group, a group cancellation request is transmitted from a remote controller to one of the card units belonging to the group. Then, the group cancellation request including the device ID of the card unit is transmitted from the card unit to a system controller (YES in S1 and S2), the group that the card unit belongs to is determined on the side of the system controller (S3), and a cancellation request command is simultaneously transmitted to all the other card units belonging to the group (S4). <P>COPYRIGHT: (C)2011,JPO&INPIT |
