| 摘要 |
A management method detects fraudulent acts in a gaming hall containing a number of slot machines. Data representing the number of inserted tokens and the number of paid-out dividend tokens, into and from each slot machine, are supplied to a computer. By using the supplied data, a payout factor for each slot machine is calculated and an alarm signal specific to the degree of the payout factor is emitted. An expected sales amount for each individual slot machine is calculated from the numbers of inserted and paid-out tokens. An actual individual sales amount is calculated in accordance with data representing the number of tokens dispensed from a token dispenser paired with each slot machine. The difference between the expected sales amount and the actual sales amount is calculated, and an alarm signal specific to the degree of the difference is emitted, e.g. in the form of a visible display.
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