| 摘要 |
<p>This method allows the user to adjust parameters such as prices. In order to carry out correctly and in the predetermined way the modification of the parameters, the order of adjustement of the parameters is entered into a computer (2) of the device through a data carrier (7) which cannot be modified by the user with respect to this order. The user has no personal influence on the adjustement of the parameters, excluding intentional or unintentional errors. The device comprises a computer (2) and a read and write device (3) for entering into the computer the data recorded on the data carrier (4). The order of adjustement of the parameters is recorded on a magnetic track (5) on the data carrier (7) and is read by a reading device delivering the data to the computer where the parameter adjustement is carried out.</p> |
