| 摘要 |
An AVC system in which apparatuses each including a device for handling at least one of data sets concerning video, audio, and information and a controller are interconnected through transmission channels, wherein the device has at least one display part constituting an operation screen and control code corresponding to the display part, the controller reads the display part and control code from the device, displays the display part on the display screen, and transmits, if the user operates the display part on the display screen, the control code corresponding to the display part and the operation information to the device, the device executes the function specified by the display part according to the received control code and operation information. An operation environment easy for the user to understand is realized using a simple construction, and the system can be adapted to a device having a new function which cannot be foreseen at present.
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