| 摘要 |
The system is comprised of processing unit for executing an error monitoring process by detecting errors occurring in the video/audio devices, communication unit connecting the video/audio devices to the processing unit, and display unit connected to the processing unit to simultaneously display on a common display plane a plurality of images indicating the video/audio devices and to give an error indication in accordance with a result of the error monitoring process by the processing unit, the processing unit automatically executing the error monitoring process against respective the video/audio devices, and controlling the display unit to give the error indication by emphasizing one of the images corresponding to one of the video/audio devices from which an error is detected by the processing unit.
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