| 摘要 |
PROBLEM TO BE SOLVED: To quickly select an adjustment device to perform adjustment according to a state of each adjustment device.SOLUTION: A POS system comprises: a registration device for registering an item to be purchased by a customer; and a plurality of adjustment devices for performing adjustment processing operated by the customer based on transaction data of the registered item. The registration device comprises display means for displaying whether each adjustment device is in use or available. Each adjustment device comprises: reception means for receiving the transaction data; and adjustment means for making the adjustment device available when the adjustment processing is finished based on the received transaction data. The display means displays that an adjustment device for which the transaction data is received is in use, and displays that an adjustment device for which the transaction data is received and the adjustment processing is finished or an adjustment device for which the transaction data is not received is available.SELECTED DRAWING: Figure 1 |
