152. Projecting an Image (Basic Operation)❺ Adjusting the Picture Size and PositionUse the lens shift dial, the adjustable tilt foot lever, the zoom lever and the focus ring to adjust the picture size andposition.In this chapter drawings and cables are omitted for clarity.Adjusting the projected image’s vertical and horizontalposition [Lens shift](→ page 16)Adjusting the focus [Focus ring](→ page 18)Finely adjusting the size of an image[Zoom lever](→ page 18)Adjusting the throw angle (the height of an image)[Tilt foot](→ page 19)Adjusting the left and right tilt of an image[Rear foot] (→ page 19)Correcting the keystone distortion [Keystone](→ page 20)