| 摘要 |
The invention relates to a control element for an electrical operating control device (1) comprising a freely programmable symbolic (9, 10, 11), wherein said symbolic (9, 10, 11) is projected by means of a controllable display and an illuminant system arranged therebefore, or a controllable display and an optics, or a controllable display and an optical wave guide on a side opposite to an operator in the control elements (3, 4, 5, 6, 7, 8) and said symbolic (9, 10, 11) can be visualised on the operator oriented side of a transmissive film contained in the control elements (3, 4, 5, 6, 7, 8), wherein the alternating symbolic (9, 10, 11) is generated in the display. |
