| 摘要 |
PURPOSE:To select a screen easily and speedily by providing a CRT display part with a main display part and an auxiliary display part obtained by contracting and abstracting the whole objective area of monitor control, and inputting this display part with a light pen. CONSTITUTION:A wide range monitoring graphic display 22 controls the CRT display 1 by the indication of an electronic computer 5, and the CRT display screen is divided into the main display part and auxiliary display part obtained by contracting and abstracting the whole objective area of monitor control. The auxiliary display part is provided at part of the CRT display screen at an optional position. A wide range monitoring graphic display controller 22 is equipped with the light pen 21 and when the objective area of monoitor control is specified over a look at the auxiliary display part, the electronic computer 5 collects and edits information in the area and displays the result at the main display part 1 of the CRT1. This suits to the monitor control of the process control of a computer system. |
