| 摘要 |
<p>PROBLEM TO BE SOLVED: To facilitate the inspection of a candidate for illegal operation of an operator in a short time by retrieving data stored by an illegal objective data storing means to visibly output data of the same operating item by the same operator. SOLUTION: When operation which can be the illegal object of an operator among the various kinds of operation of a merchandise register memory and input parts such as a keyboard 15 and a scanner 18 is executed, an operation code identifying this operation item and data generated by this operation are accumulate-stored with an operator code identifying an operator in an illegal objective data storing means in an operation history file 5. Data stored by this illegal objective data storing means is retrieved from the operation history file 5 to visibly output data of the same operating item by the same operator on a display 16. Thereby the candidate of the illegal operation of the operator is inspected with ease and in a short time.</p> |
