| 摘要 |
<p>The system has a key panel (1) arranged at a cashier station and comprising buttons (2) and LED-lights, where the cashier station is switched-on and switched-off and/or closed and closed by the buttons. The key panel is connected with a network i.e. bus system, where the lights are provided for displaying switching-on and switching-off condition of different functions of the cashier station. The lights are partially integrated into the buttons. An electrical switch is operated by a key and provided for switching the lights.</p> |
