| 摘要 |
PURPOSE: To reduce the number of times of page change-over operation such as a setting input over multiple pages, etc. CONSTITUTION: In changing-over a screen page by operating a function key on the screen (A) of a graphic display concerning the selection of an operation set value and a device function at every relay element, the function key of the graphic display is provided with a 'next page' function key B1 , a 'preceding page' function key B2 and a 'quick jump' function key B3 for designating an optional page from the first page till the last one by a key operation, so that change-over to a nearest page to the intended one or the intended page can be executed by the one time operation of the 'quick jump' function key at the time of change-over from the screen to be the multiple pages to the intended one. |
