| 摘要 |
PROBLEM TO BE SOLVED: To provide a system provided with control units (13, 23 and 33) for controlling devices by sending control signals to the devices (11, 21 and 31) depending on control data. SOLUTION: The control units are provided with data input means (14, 24, 34 and 44) for inputting control data. The devices are provided with an interpretation means adapted to translate the control signals into an action. Aiming to indicate for a user of the control unit, which action the device is arranged to take when activating the data input means, a visual indicator is arranged on the data input means. The data input means are provided with variable presentation means (45 and 57) for realizing the indicator. The control unit is provided with a first storage means (53) storing visual data presentable with a presentation unit. The control unit is provided with several separate data input means having the presentation means. It is desirable that the respective presentation means have separate displays presenting a picture depending on the visual data. COPYRIGHT: (C)2006,JPO&NCIPI
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