Coin operated slot machine controlling method, involves indicating imminent intake of profit in acoustic/optical manner using symbol indicator by unit to reproduce sound and/or by order, number, color or brightness of display fields

摘要

The method involves indicating imminent intake of profit in an acoustic and/or optical manner using a symbol indicator by a unit for reproduction of sound and/or by order, number, color or brightness of several back illuminable display fields. The level of the profit to be expected is indicated at the symbol indicator by using the type and mode of reproduction of sound and/or by controlling the back illuminable display fields.