| 摘要 |
PROBLEM TO BE SOLVED: To effectively present a specified symbol. SOLUTION: Light sources 21 are respectively provided at a back side of each reel of a slot machine in correspondence with stopping positions of respective symbols. Three kinds of LED 42 for emitting lights of red, blue, and green colors are included in each light source 21. Each light source 21 is controlled to emit either single color of red, blue, or green, or combined plurality of colors after receiving a driving signal from a control section.
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