| 摘要 |
PROBLEM TO BE SOLVED: To inform a player of the alteration of the lottery probability of great success. SOLUTION: This information display device 1 is equipped for displaying the information of a pachinko machine, the pachinko machine is attached to a game island 5 of an amusement hall and the information display device 1 is attached to the game island 5 at the upper part of the pachinko machine. The information display device 1 inputs, integrates and displays the start signal of the pachinko machine. The information display device 1 inputs, integrates and displays the great success signal of the pachinko machine. The information display device 1 inputs the set value of the lottery probability in the great success of the pachinko machine and displays it when the set value is altered.
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