| 摘要 |
PROBLEM TO BE SOLVED: To improve the operability and increase the processing speed by performing the operation, which directly displays the upper end, the lower end, the left end, or the right end of a display area on the picture, by an indication means of the operation indication part in the case of the display area larger than the picture display. SOLUTION: This controller consists of a display part 1, an operation indication part 2a, a control part 3, a buffer 4, and a storage device 10, and the operation indication part 2a is provided with an indication means 20 which indicates the direct display of the picture of the upper end, the lower end, the left end, or the right ens of the display area. A prescribed control key or a prescribed character key and a cursor key are used as the indication means 20. If the size of the display area is larger than that of the picture display, the operation to display some of the upper end, the lower end, the left end, or the right end of the display area on the picture is performed by the indication means 20 of the operation indication part 2a, and thereby, a control part 3 logically calculates the sides (right and left), the bottom, and the top of the display area based on the current display position, and the picture of the upper end, the lower end, the left end, or the right end of the display area is directly displayed based on the current display position by the display part 1. |
