An over head projector and control method

摘要

An over head projector including an image inputting device for inputting an image data of a manuscript; a projecting optical system for projecting the image data onto a screen by a first magnification; and an image data magnifying device for dividing a plurality of character image data from the image data of the manuscript into one or more groups of character image data which each group fits a displaying area having a predetermined size, to magnify the character image data by a second magnification, and for transmitting the magnified character image data by each group of character image data onto the projecting optical system.