Apparatus with a built-in teletext broadcasting decoder and teletext display adjustment apparatus

摘要

In an apparatus such as a television set with a built-in teletext broadcasting decoder which displays character data multiplexed with a video signal on the display screen in such a manner that the character data is superposed on the image formed by the video signal, movement instructing data is set to move a character display by teletext broadcasting, and the character display is moved in correspondence to the movement instructing data thus set, so that the position of the character display on the display screen is corrected with ease.