| 摘要 |
<p>PURPOSE:To correctly select data on a CRT by instructing the corrected value of a viewpoint position on a touch sensitive screen, executing the coordinate correction of an input signal in accordance with the corrected value and executing plant monitoring. CONSTITUTION:A touch sensitive screen 13 is fitted on a CRT 11 and coordinate data 23 outputted by the touch sensitive screen 13 are supplied to a position signal generating device 24. The viewpoint position for the picture is inputted from a viewpoint instructing key 27 and a correcting signal is sent to the position signal generating device 24 from an origin correcting signal generating device 26 so as to become the coordinates corresponding to the viewpoint. Corrected coordinate data 29 are supplied to an operation monitoring signal generating device 31 and a plant 33 is controlled. The plant 33 is monitored by a plant monitoring system 35 and the condition is displayed on the CRT 11.</p> |
