NEC VT470 manual Interlock

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6. Maintenance

3.Loosen the two screws securing the lamp housing until the phillips screwdriver goes into a freewheeling condition. The two screws are not removable.

Remove the lamp housing by holding it.

Interlock

NOTE: There is an interlock on this case to prevent the risk of electrical shock. Do not attempt to circumvent this interlock.

4. Insert a new lamp housing until the lamp housing is plugged into the socket.

CAUTION

Do not use a lamp other than the NEC replacement lamp VT75LP (VT676/VT670/VT470) or VT70LP (VT575/ VT47).

Order this from your NEC dealer.

Secure it in place with the two screws.

Be sure to tighten the screws.

5.Reattach the lamp cover.

Slip the lamp cover back until it snaps into place.

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Contents VT676/VT670/VT575/VT470/VT47 Precautions Safety CautionsDOC Compliance Notice for Canada only Important Information RF Interference for USA only Important SafeguardsInstallation Place the projector in a horizontal positionImportant Information Fire and Shock Precautions IiiImportant Information Lamp Replacement Table of Contents Table of Contents Whats in the Box? For VT676, VT670 and VT470 onlyIntroduction to the Projector Features youll enjoyIntroduction Introduction Front/Top Part Names of the ProjectorRear Introduction Bottom Introduction Top Features VT676/VT670/VT575/VT470 VT47 Part Names of the Remote Control Freeze Button Volume +- ButtonHelp Button Computer 1/2 ButtonRemote Control Precautions Introduction Battery InstallationOperating Range for Wireless Remote Control Setting Up the Screen and the Projector Selecting a Location VT676/VT670/VT575/VT470Installation and Connections Selecting a Location VT47 240Installation and Connections Throw Distance and Screen Size Distance ChartInstallation and Connections Reflecting the ImageEnabling the computer’s external display Connecting Your PC or Macintosh ComputerMaking Connections VT676/VT670/VT575/VT470VT47To connect Scart output RGB Installation and Connections Connecting an External Monitor To do soAudio Equipment To make these connections, simply OUT Projecting an Image Basic Operation Turning on the ProjectorProjecting an Image Basic Operation To select a menu language, follow these stepsUsing the Remote Control Selecting a SourceLift the front edge of the projector Focus ZoomProjecting an Image Basic Operation VT676/VT670/VT575/VT470 VT676/VT670/VT575/VT470Auto Keystone Correction Correcting Keystone DistortionManual Keystone Correction Press the Menu button to close the menu Optimizing RGB Picture Automatically Turning Up or Down VolumeAdjusting the Image Using Auto Adjust VT676/VT670/VT575/VT470 VT47To turn off the projector Turning off the ProjectorAfter Use Preparation Make sure that the projector is turned offFreezing a Picture Turning off the Image and SoundEnlarging and Moving a Picture Using Remote Mouse Receiver VT676/VT670/VT470 only Using On-Screen Menu Using the MenusUsing On-Screen Menu Indicates the Cabinet Button Lock is enabled Menu ElementsList of Menu Items COMPUTER2Current Signal All Data Using Picture Management Picture Management Using the Wall Color Correction Wall ColorMenu Descriptions & Functions Picture Selecting Gamma Correction Mode Gamma Correction Using On-Screen Menu User Adjust when using UserSelecting Base Setting Base Setting Adjusting White Balance Brightness RGB/Contrast RGBCorrecting Vertical Keystone Distortion Manually Keystone Menu Descriptions & Functions ImageEnabling Auto Keystone Auto Keystone Saving Vertical Keystone Correction Keystone SaveUsing Off Timer Off Timer Menu Descriptions & Functions SetupSelecting Lamp Mode Lamp Mode Selecting Menu Color Menu Color Select Using On-Screen Menu Selecting Menu Language LanguageEnabling Key Sound and Error Sound Beep Selecting Menu Display Time Menu Display TimeMenu Descriptions & Functions Advanced To enable the Security functionSecurity To disable the Security function Enabling High Speed Fan Mode Fan Mode Selecting Signal Format Signal SelectAdjusting Position/Clock when Auto Adjust is off Setting Auto Adjust Auto AdjustTurning On Flicker Reduction Flicker Reduction Menu Descriptions & Functions Information Selecting Communication Speed Communication SpeedResetting the Filter Usage Hours Clear Filter Usage Menu Descriptions & Functions DefaultReturning to Factory Default Factory Default Clearing Lamp Hour Meter Clear Lamp Hour Meter To clean the air-filter Cleaning or Replacing the Filter To replace the filter sponge Cleaning the Cabinet and the Lens MaintenanceReplacing the Lamp To replace the lampInterlock Maintenance Troubleshooting Indicator MessagesProblem Check These Items AppendixPower on process for the projector and the PC Optical SpecificationsElectrical VT575/VT47 2.1 1.2A VT676/VT670/VT470 2.7 1.4AMechanical Cabinet Dimensions VT676/VT670/VT575/VT470Appendix VT47 Mini D-Sub 15 Pin Connector Pin Assignments of D-Sub Computer Input ConnectorPin No RGB Signal Analog YCbCr Signal Compatible Input Signal List SXGA+PC Control Codes VT47 PC Control Codes and Cable ConnectionPC Control Codes VT676/VT670/VT575/VT470 Cable ConnectionAppendix PC Control Connector DIN-8P Part Names and Functions of the Remote Control Optional Presentation Remote Control Kit PR52KITPackage List Pointer Button Volume +/- ButtonsPJ OFF Mouse Slide Switch UP/DOWN ButtonsAppendix Battery Installation Appendix Using the Laser Pointer Using Remote Mouse ReceiverVideo and Audio Troubleshooting Check ListPower OtherComputer Installation environmentSignal cable Video equipmentTravelCare a service for international travelers TravelCare GuideAsia and Middle East Application Sheet for TravelCare Service Program Condition of your TravelCare Service Program