| 摘要 |
Incorrect entry of meter values read from LP gas meters has been found. The determination as to whether entry of a meter value by a person in charge is correct or incorrect must be left to that person. Incorrect entry of meter values has an enormous impact on the business since the meter values are used for delivery prediction, etc. In order to address this problem, the present invention determines whether an entered meter value is correct or not. If the entered meter value is correct, the present invention stores the meter value in a predetermined data region as the last meter value data, whereas if the entered meter value is incorrect, then the present invention prompts reentry of a meter value and clears the previously entered meter value. |
