| 摘要 |
<p>A point of sale (POS) system and a control method thereof are provided. The POS system comprises a bar code scanner scanning a bar code attached to the goods, a key input unit for selectively cancelling or shelving the scanned goods, a POS terminal receiving goods information from the bar code scanner or the key input unit, and a scan/key input indication unit having one or more indication lamps turned on in certain color through receiving a specified data signal from the POS terminal when the bar code scanner scans the bar code of goods, or the key input unit cancels or shelves the scanned goods whereby when a salesperson manipulates the key input unit so as to cancel or shelve the scanned goods by intention or by mistake after the bar code of goods is scanned, the corresponding indication lamp is turned on so that a manager or others as well as the salesperson recognizes the situation.</p> |
