| 摘要 |
PURPOSE:To generate high noises different from electric sounds generated by other slot machines from part of slot machine in a slot machine island. CONSTITUTION:In a slot machine island arranged with many slot machines A, the electric sound generated from a slot machine A1 at the center of the island is set to a high noise different from the electric sounds generated from other slot machines A, and few slot machines A2, A3 generating high noises are arranged in the island in addition to the slot machine Al generating a high noise at the center of the island. |
