Being the manner which adjusts the adjustment mannered null

摘要

A projection display includes a projection unit projecting an image on a screen, an image processor capable of adjusting an image display area where an image is projected on the screen by processing an image signal to be input to the projection unit, and an image-outline adjusting mechanism supporting the projection unit and capable of adjusting the image display area by positioning the projection unit. The image processor is capable of adjusting the image display area in one translational degree of freedom, and the image-outline adjusting mechanism is capable of positioning the projection unit in five degrees of freedom except for one translational degree of freedom.