A projector which can call for distribution of materials on each participant in a meeting, can improve the production in presentation by clearly specifying a form in which the materials are to be distributed, can make presentation go on smoothly without interrupting the meeting by the distribution of the materials, and is easy to handle. On a plane of projection formed on a set-up table whereon the projector is set up, an image of a predetermined content is projected in such a manner as to go around on the plane of projection based on the movement of the operator of the projector.
