SCREEN CORRECTION METHOD FOR CATHODEERAY TUBE INDICATOR

摘要

PURPOSE:To increase the process speed by correcting the screen on CRT via the light pen and also to ensure an automatic storage of the screen data into the memory. CONSTITUTION:The codes of various types of display screens registered in computer CPU are displayed on CRT through the start operation. The corresponding screen is displayed on CRT through the code designation via light pen LPN. The various types of alteration contents corresponding to the designation areas are displayed to part of CRT by designating the altered areas in the screen via the light pen. The various types of concrete alteration data corresponding to the designated contents are displayed to part of CRT by designating the desired contents among the various altered contents via LPN. And the altered areas are altered to the altered data as designated by designating the desired one among various types of the concrete alteration data via LPN. The contents of the alteration are stored in to auxiliary memory unit BMY.