| 摘要 |
PROBLEM TO BE SOLVED: To enable a display selection item to be instructed correctly and appropriately even when display of the display selection item to be an operation instruction object is small.SOLUTION: An instructing operation position on a display screen of a display part 16 is detected by a touch panel 171 (S311). It is determined whether or not selection for a display selection item displayed at the instructing operation position is a correct selection destination desired by a user from operating conditions of the user after the selection (S316 to S319, S326). If the selection is not the correct selection destination, the instructing position is stored as an erroneous instruction position (S320). A difference between a position where the display selection item of the correct selection destination is displayed and the display position stored as the erroneous instruction position is stored as correction data (S325). Instruction position correction is performed based on the stored correction data in the case of new instruction position operation on the display screen of the display part 16 (S313). |
