INFORMATION INPUT DEVICE, CONTROL METHOD THEREOF AND IMAGE PROCESSING APPARATUS

An information input device includes a display unit that has a display screen and displays an image, and a touch-panel that is arranged on the display screen and specifies a designated position on the display screen. The display unit displays any of first, second and third screen images depending on the state of information input device, and the first and third screen images have a prescribed area on which information including the same character, sign or figure is displayed. If a position in the prescribed area is specified by an input unit while the first screen image is being displayed, the display unit displays the second screen image, and if a position in the prescribed area is specified while the third screen image is being displayed, the display unit maintains the display of the third screen image