| 摘要 |
<p>The electronics user interface unit has a keyboard (4) and touch screen display (5). The keyboard has an opening (8) for push buttons (6). The buttons contact a base plate (9) which hinges into the unit position or away from it . With the base plate hinged into the unit, a first group of functions is set, whilst in the second non protected position the unit is non operational, disengaged from the touch screen and setting a second group of functions.</p> |
