| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to perform black-and-white reverse printing with simple and high definition picture quality even if graphic screen is reversed in black-and-white for execution of operation monitoring of a plant, efficiently perform high definition and high picture quality printing, and obtain high reliability and high quality of a product.SOLUTION: In a printing method of an instrumental operator's console according to the invention, in order to solve the above-mentioned problem, an instrumental operator's console is connected with a plant controller comprising a processing device and a process input and output interface via a communication line, and when a screen used for operation monitoring displayed on a graphic screen of the instrumental operator's console for operating and monitoring a control state of the plant controller is printed by a printer according to an application or a purpose, if a background color of the graphic screen is black whereas a display color is white and printing is performed by reversing this black-and-white, the printing is performed after execution of color adjustment to screen correction by anti-aliasing. |
