NEC VT575, VT676 manual Maintenance

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6. Maintenance

6.Connect the supplied power cable, turn on the Main Power switch and turn on the projector.

7.Finally, select the menu → [Default] → [Clear Lamp Hour Meter] to reset the lamp usage hours.

NOTE: When the lamp exceeds 2100* hours (up to 3100* hours in Eco mode) of service, the projector cannot turn on and the menu is not displayed.

If this happens, press the HELP button on the remote control for ten seconds to reset the lamp clock back to zero.

When the lamp time clock is reset to zero, the LAMP indicator goes out. * VT575 and VT47: 3100 hours (up to 4100 hours in Eco mode).

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Contents VT676/VT670/VT575/VT470/VT47 DOC Compliance Notice for Canada only Safety CautionsPrecautions Place the projector in a horizontal position Important SafeguardsInstallation Important Information RF Interference for USA onlyIii Important Information Fire and Shock PrecautionsImportant Information Lamp Replacement Table of Contents Table of Contents For VT676, VT670 and VT470 only Whats in the Box?Introduction Features youll enjoyIntroduction to the Projector Introduction Rear Part Names of the ProjectorFront/Top Introduction Bottom Introduction Top Features VT676/VT670/VT575/VT470 VT47 Part Names of the Remote Control Computer 1/2 Button Volume +- ButtonHelp Button Freeze ButtonOperating Range for Wireless Remote Control Introduction Battery InstallationRemote Control Precautions Selecting a Location VT676/VT670/VT575/VT470 Setting Up the Screen and the Projector240 Installation and Connections Selecting a Location VT47Distance Chart Installation and Connections Throw Distance and Screen SizeReflecting the Image Installation and ConnectionsVT676/VT670/VT575/VT470VT47 Connecting Your PC or Macintosh ComputerMaking Connections Enabling the computer’s external displayTo connect Scart output RGB To do so Installation and Connections Connecting an External MonitorAudio Equipment To make these connections, simply OUT Turning on the Projector Projecting an Image Basic OperationTo select a menu language, follow these steps Projecting an Image Basic OperationSelecting a Source Using the Remote ControlLift the front edge of the projector VT676/VT670/VT575/VT470 ZoomProjecting an Image Basic Operation VT676/VT670/VT575/VT470 FocusManual Keystone Correction Correcting Keystone DistortionAuto Keystone Correction Press the Menu button to close the menu VT676/VT670/VT575/VT470 VT47 Turning Up or Down VolumeAdjusting the Image Using Auto Adjust Optimizing RGB Picture AutomaticallyPreparation Make sure that the projector is turned off Turning off the ProjectorAfter Use To turn off the projectorEnlarging and Moving a Picture Turning off the Image and SoundFreezing a Picture Using Remote Mouse Receiver VT676/VT670/VT470 only Using the Menus Using On-Screen MenuUsing On-Screen Menu Menu Elements Indicates the Cabinet Button Lock is enabledCOMPUTER2 List of Menu ItemsCurrent Signal All Data Menu Descriptions & Functions Picture Using the Wall Color Correction Wall ColorUsing Picture Management Picture Management Adjusting White Balance Brightness RGB/Contrast RGB Using On-Screen Menu User Adjust when using UserSelecting Base Setting Base Setting Selecting Gamma Correction Mode Gamma CorrectionSaving Vertical Keystone Correction Keystone Save Menu Descriptions & Functions ImageEnabling Auto Keystone Auto Keystone Correcting Vertical Keystone Distortion Manually KeystoneSelecting Lamp Mode Lamp Mode Menu Descriptions & Functions SetupUsing Off Timer Off Timer Selecting Menu Display Time Menu Display Time Using On-Screen Menu Selecting Menu Language LanguageEnabling Key Sound and Error Sound Beep Selecting Menu Color Menu Color SelectSecurity To enable the Security functionMenu Descriptions & Functions Advanced To disable the Security function Selecting Signal Format Signal Select Enabling High Speed Fan Mode Fan ModeTurning On Flicker Reduction Flicker Reduction Setting Auto Adjust Auto AdjustAdjusting Position/Clock when Auto Adjust is off Selecting Communication Speed Communication Speed Menu Descriptions & Functions InformationClearing Lamp Hour Meter Clear Lamp Hour Meter Menu Descriptions & Functions DefaultReturning to Factory Default Factory Default Resetting the Filter Usage Hours Clear Filter UsageTo replace the filter sponge Cleaning or Replacing the FilterTo clean the air-filter Maintenance Cleaning the Cabinet and the LensTo replace the lamp Replacing the LampInterlock Maintenance Indicator Messages TroubleshootingAppendix Problem Check These ItemsPower on process for the projector and the PC Electrical SpecificationsOptical Mechanical VT676/VT670/VT470 2.7 1.4AVT575/VT47 2.1 1.2A Cabinet Dimensions Appendix VT47 Pin No RGB Signal Analog YCbCr Signal Pin Assignments of D-Sub Computer Input ConnectorMini D-Sub 15 Pin Connector SXGA+ Compatible Input Signal ListCable Connection PC Control Codes and Cable ConnectionPC Control Codes VT676/VT670/VT575/VT470 PC Control Codes VT47Appendix PC Control Connector DIN-8P Package List Optional Presentation Remote Control Kit PR52KITPart Names and Functions of the Remote Control UP/DOWN Buttons Volume +/- ButtonsPJ OFF Mouse Slide Switch Pointer ButtonAppendix Battery Installation Using Remote Mouse Receiver Appendix Using the Laser PointerOther Troubleshooting Check ListPower Video and AudioVideo equipment Installation environmentSignal cable ComputerTravelCare Guide TravelCare a service for international travelersAsia and Middle East Application Sheet for TravelCare Service Program Condition of your TravelCare Service Program