Patent ID: 8641204

Claim:
A projector comprising: a light source; a light modulation device configured to modulate a light emitted from the light source in accordance with an image signal for each of colored lights for color display; a projection optical system configured to project each of the colored lights modulated by the light modulation device; an operation accepting section configured to accept an operation; a registration adjustment section configured to perform correction of the image signal corresponding to each of the colored lights based on the operation accepted by the operation accepting section so that a displacement occurring in at least one of a horizontal direction and a vertical direction in a projection screen between the colored lights is reduced, and supply the light modulation device with the image signal corrected if the displacement occurs; a correction direction display control section configured to display a correction direction, in which the correction of the image signal by the registration adjustment section is performed, in the projection screen as an icon indicating a direction; and a maximum correction amount storage section configured to store a maximum correction amount as a largest correction amount by the registration adjustment section, wherein a color of the icon indicating the correction direction displayed by the correction direction display control section is a color corresponding to a color represented by the image signal on which the correction is performed, and the correction direction display section changes the color of the icon to a predetermined color if the correction amount by the registration adjustment section becomes the maximum correction amount.