| 摘要 |
An entry unit (2) receives primary data from a magnetic track card (1) and has a keyboard (3) for selecting the payment mode. A first terminal (4) at the point of sale has a keyboard (5) to receive secondary data such as price and service and sends primary and secondary data to a second terminal (8) at a financial authority. The entry unit notifies a third management terminal (9) with alternative calculation means (10,11) of currency or compensatory unit payment. |
