| 摘要 |
PURPOSE:To correct the screen simply with conversation type without using a special hardware, by selecting a correction video element block through flickering of video element block unit on a cathode ray tube CRT screen. CONSTITUTION:The first video element block ''No. 1 system diagram'' 6a is flickered on a screen. If this part is unnecessary to erase, a CPU (not shown) flickers video element blocks 6b-6f on the screen in order. If flicker display is caused for required correction part, the video element block in flicker can be erased by inputting the erase key (not shown). A new video element block is inserted on a screen with erased correction video element block through the use of item keys an Alphanumerical keys (not shown). |
