NEC HT410 User Manual

Also see for HT410 Series: Supplementary guide Control commands Command guide Command guide Control commands

Contents

NEC HT410 User Manual Manual pdf 23 page image

E-12NOTE: Distances may vary +/-5%.Distance ChartB = Vertical distance between lens center and screen centerC = Throw distanceα = Throw angleThrow Distance and Screen SizeThe following shows the proper relative positions of the projector and screen. Refer to the table to determine theposition of installation.(B)WARNING* Installing your projector on the ceiling must be done by a qualified technician. Contact your NECdealer for more information.* Do not attempt to install the projector yourself.• Only use your projector on a solid, level surface. If the projector falls to the ground, you can be injured and theprojector severely damaged.• Do not use the projector where temperatures vary greatly. The projector must be used at temperatures be-tween 41˚F (5˚C) and 95˚F (35˚C).• Do not expose the projector to moisture, dust, or smoke. This will harm the screen image.• Ensure that you have adequate ventilation around your projector so heat can dissipate. Do not cover the ventson the side or the front of the projector.Rear Projection ApplicationsThe projector has the ability to be used in a rear projection application. When used with a third party mirror andframe system, rear projection allows you to achieve a larger image size in less distance than a traditional frontprojection installation. If space constraints exist, please contact your authorized NEC reseller regarding a rearprojection solution. Refer to page E-38 on how to change the projector orientation for use in a rear projectionapplication.Screen BottomScreen HeightScreen WidthScreen DiagonalScreen centerThrow Distance (C)Throw Angle (α)Lens Center2. INSTALLATION AND CONNECTIONS