| 摘要 |
PURPOSE:To prevent a misoperation by providing a light emitting means on an operating key, and lighting the light emitting means of the operating key required for the next operation, by a lighting control means. CONSTITUTION:As for a laser pattern picture drawing device which has applied an operating panel device, a picture drawing data is inputted to a data converting part 100 from the outside, transferred to a laser pattern picture drawing device body 300 through a controlling circuit 200, and a pattern is brought to picture drawing. To the controlling circuit 200, an operating panel 400 is connected, and by the operation of its various keys, the body 300 is operated. This operating panel 400 has plural keys 30-45 and 54, and display parts 46-53, and its is formed by an illuminating key. In such a state, in order that the picture drawing device is operated in accordance with a scheduled operation sequence, the light emitting part of the key concerned is lighted and the operation is indicated, and also only the key input which is being lighted can be received. In such a way, a wrong input can be eliminated. |
