9PREPARATION10 : 011Projection lens can be moved up and down with motor-driven lens shift function. This function makes it easy toprovide projected image where you want. U/D ratio can be adjusted 10 : 0 ~ 1 : 1 (refer to figure below.). Referto P 20 for operation.Highest (10 : 0) Lowest (1 : 1)POSITIONING PROJECTORLENS SHIFT ADJUSTMENTThis projector is designed to project on a flat projectionsurface.ROOM LIGHTBrightness in a room has a great influence on picturequality. It is recommended to limit ambient lighting inorder to provide best image.SCREENBefore setting up a projector, install Projection Lens onProjector.1. Before installation, check where a projector is used andprepare suitable lens. For specifications of a Projection Lens,contact sales dealer where you purchased a projector.2. For installation, refer to installation manual in the optionallens.LENS INSTALLATIONCOVER CAPWhen install the lens, remove the cover cap in the projector.NOTE;