| 摘要 |
The present invention provides a control device (1) for providing audio feedback in response to control of visual parameters, said control device comprising an audio signal transmitter, a user interface (3) for controlling the visual parameters, a communication unit (2) adapted to control the visual parameters by means of communicating control signals effected by said user interface being operated by a user, such that the audio signal transmitter transmits an audio signal in reply to the control of an associated visual parameter by means of the user interface being operated, a characteristic of which audio signal being arranged such that the signal audibly identifies the controlled visual parameter.
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