A projector includes: a projection unit having a light modulation device and projecting a projection image via the light modulation device; an image pickup unit picking up the projection image projected by the projection unit and generating picked-up image data; a decision unit deciding a first elimination execution time for which an elimination function to eliminate burn-in on the light modulation device is executed, based on the picked-up image data; and a processing unit executing the elimination function during the first elimination execution time decided by the decision unit.