| 摘要 |
PROBLEM TO BE SOLVED: To provide a settlement terminal and a program capable of smoothly updating data introduced into a settlement terminal.SOLUTION: The settlement terminal acquires a piece of update data for updating data from a maintenance server, which includes: reservation means that notifies operation time or non-operation time of the settlement terminal to the maintenance server and makes a reservation of acquisition right of the update data; reception means that receives reservation date and time which is determined based on the operation time or the non-operation time from the maintenance server; and update means that acquires the update data from the maintenance server when the current date and time reaches the reservation date and time and updates the data introduced into the settlement terminal by using the update data.SELECTED DRAWING: Figure 5 |
