CHECKOUT SYSTEM, CHECKOUT SYSTEM CONTROL PROGRAM, AND CHECKOUT SYSTEM CONTROL METHOD

摘要

A checkout system performs checkout of articles. The checkout system includes an LCD touch screen 11 for specifying a second article different from a first article having data on the article registered as first article data, a barcode scanner 12 for recognizing a presented article which is the first article presented, and a control unit 314 that determines whether the presented article specified as the second article by the LCD touch screen 11 is not the second article.