| 摘要 |
PURPOSE:To facilitate setting items and make quick response possible by constituting a keyboard of a numerical control device with a pressure-sensitive transparent film and a CRT where keys are displayed as a picture. CONSTITUTION:The numerical control device is provided with an operation board 1 which is used to input data by a user and to obtain information from display contents, and the operation board 1 is provided with a CRT2 for display and a pressure-sensitive transparent film 5, and a CRT7 for operation is provided at the rear of the operation board 1. Depressed coordinate positions of the transparent film 5 are converted to key information by an A/D converter 6. A key arrangement chart is displayed on the CRT7 for operation when a power switch is closed, and key information corresponding to said key arrangement are transmitted to the numerical control device in accordance with position information of depressed positions when the transparent film 5 on the CRT7 is depressed. If a change key is operated to rewrite said key arrangement chart, the display picture is changed, and another item can be inputted.
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