User manual NEC DT20

[. . . ] Multi-Function LCD Projector DT20 User's Manual English Deutsch Français Italiano Española Svenska Thank you for purchasing the NEC DT20 LCD Projector. Please read this manual carefully in order to use the projector properly. After reading this, please keep it in a safe place together with the warranty sheet. Features · Three handy features in a single body. Documents, catalogs and other printed matter can be projected directly from the scanner. [. . . ] · Ni-Cad batteries or other chargeable batteries cannot be used. Use manganese batteries or alkaline batteries. E-17 How to Install the Projector Installation Sequence Check the installation site and image size. Install the input devices. End See "Projection Distance and Projected Image Size" on page E-19. PC, video source, etc. Adjusting the Tilt The position and tilt angle of the projected image can be adjusted by adjusting the adjustable feet. Press both the left and right tilt adjustment levers to lift the main unit, and release them when the desired height is reached. You can fine-adjust the tilt by turning the bottom section of the adjustable feet. Turning this section counterclockwise raises the main unit, and turning it clockwise lowers the main unit. Also, you can adjust the tilt angle by turning the adjustable foot located on the rear left of the main unit. Tilt adjust levers Extends foot. Retracts foot. Retracts foot. Extends foot. Adjustable feet CAUTION · Do not tilt the main unit at extreme angles by turning only one side of the adjustable feet. Doing so may cause the main unit to slip or fall down, resulting in accidents or failures. · Vent A on the bottom of the main unit takes in air to cool the inside of the projector. As air is taken in by large suction force, cloth or paper may be sucked in against the vent. If this happens, the temperature inside may build up, and cause an accident or failure. · The rubber feet may soil the installation surface depending on where the projector is installed. E-18 How to Install the Projector Projection Distance and Projected Image Size Use the following diagrams to determine the projected image size and the type of screen required for any given projector location. · The projection distance that provides good focusing is 1. 4 m (1. 5 yd) to 13. 9 m (15. 2 yd) from the front of the lens. Install the projector within this range. Horizontal Dimension Vertical Dimension Projection Distance (1. 43 m to 13. 9 m/1. 5 yd to 15. 2 yd) 300 610 x 457 250 508 x 381 Projected Image Size 200 406 x 305 Wide 150 305 x 229 Tele 100 203 x 152 Wide: The largest image that can be projected by adjusting the image with the zoom lens. Tele: The smallest image that can be projected by adjusting the image with the zoom lens. Projected Image Size 50 (inch) 102 x 76 (cm) Width x Height 1 3 7 5 Projection Distance 9 11 13 13. 9 (m) CAUTION Installation location · Do not install the projector in excessively hot or cold locations. The ambient temperature should be within 0°C to 35°C (32°F to 95°F). · Position the projector so that the screen does not directly receive sunlight or other light from other lighting. Otherwise, the projected image becomes white and is difficult to view. In a bright room, use a curtain or other means to darken the area around the screen. · Do not install the projector where it will be subject to excessive humidity, dust, or cigarette smoke. Otherwise, image quality may deteriorate as dirt builds up on the lens, mirrors and other optical components. · Do not install the projector in a small room with poor air circulation or any place where the air vents may be blocked. [. . . ] · Make sure that the projection distance is within the focusing distance. · Keystone compensation may be applied. · Verify whether the lens cap is on. · Adjust Phase in the Sync Adjustment menu. [. . . ]