摘要 |
PROBLEM TO BE SOLVED: To enable usage of a single monitor device as a monitor device for a plurality of electronic computers. SOLUTION: A display control part 24 displays on a liquid crystal display 26, a screen displaying a screen shown by a display data 17 inputted from a second electronic computer in a window inside a screen shown by a display data 14 inputted from a first electronic computer. The position and size of the window is changed by the display control part 24, based upon a communication data for display control extracted by a communication control part and inputted from the first or the second electronic computer.
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