To easily construct a system for recording a program or for transmitting a program in a short time and to enhance operability with respect to setting and operation control of each system.

In order to constitute each system, equipments are connected to a center unit 50 by referencing an outline drawing 120 or a system diagram 121 displayed on a computer 55. Furthermore, the actual system configuration is confirmed by displaying a drawing showing a connection state of each equipment at a preset point of time by a system explorer 122. Then, a desired equipment (symbol) is selected on the system diagram 121 or a drawing by the system explorer 122, various sets of information for each equipment are confirmed on an information menu 123 with respect to the equipment and the operating parameter is set on the basis of a setting menu 131.