Coin-operated entertainment device operating method, involves determining time of play back of play at random within play, and adjusting percentage based on play at random to be played back in percent display

摘要

The method involves converting play at random, which is obtained during play in play devices, into points that are indicated in a point indicator (25). Percentage decrement takes place about a percentage rate, during play back of play at random. A control unit determines time of play back of the play at random within the play, and adjusts percentage based on the play at random to be played back in the percent display.