| 摘要 |
PURPOSE:To easily distinguish a selected input means and to reduce the number of keys by changing the display state of a key input means and display information when the key input means on a display means is selected. CONSTITUTION:The figure shows a picture obtained after depressing an area key on a touch panel and ending the first picture and one area. When a HELP key 432 is depressed, the screen is turned to a picture displaying the contents of operation. When a manual key 434 is depressed, the screen is turned to a numeral display picture displaying coordinate data by numerals. When area number up and down keys 430, 431 are depressed, the contents of the screen are successively changed to the information of an area number specified by 435. An ALL CLEAR key 433 clears all area information. Thus, the display state of the selected input means are changed and the contents of the display device are also changed to instruct key entry.
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