NEC VT440, VT540 user manual Factory Default Advanced mode, White Balance

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White Balance:

Phase: Use this item to adjust the clock phase or to reduce video

 

noise, dot interference or cross talk. (This is evident when

 

part of your image appears to be shimmering.) Use the

 

 and  buttons to adjust the image.

 

Use “Phase” only after the “Clock” is complete.

 

This adjustment is made automatically when the Auto

 

Adjust is turned on.

 

Resolution (when Auto Adjust is off):

This allows you to adjust the white balance. Brightness for each color (RGB)is used to adjust the black level of the screen; Contrast for each color (RGB)to adjust the white level of the screen.

First use the up or down buttons to select R, G, or B for the bright- ness and the contrast. Next use the  or  buttons to adjust the level.

Auto Adjust:

When “Auto Adjust” is set to “On”, the projector automatically determines the best resolution for the current RGB input signal to project an image using NEC’s Advanced AccuBlend Intelli- gent Pixel Blending Technology.

The image can be automatically adjusted for geometry and sta- bility; “Horizontal Position”, “Vertical Position”, “Clock” and “Phase”.

On:

Automatically adjusts image “Horizontal Position”, “Ver-

 

tical Position”, “Clock” and “Phase”.

Off:

User can adjust the image display functions (“Horizontal

 

Position”, “Vertical Position”, “Clock” and “Phase”)

 

manually.

Position/ Clock (when Auto Adjust is off)

This allows you to manually adjust the image horizontally and vertically, and adjust Clock and Phase.

Horizontal/Vertical Position:

Adjusts the image location horizontally and vertically using the  and  buttons.

This adjustment is made automatically when the Auto Adjust is turned on.

Clock: Use this item with the “Auto Adjust off” to fine tune the computer image or to remove any vertical banding that might appear. This function adjusts the clock frequen- cies that eliminate the horizontal banding in the image. Press the  and  buttons until the banding disappears. This adjustment may be necessary when you connect your computer for the first time. This adjustment is made au- tomatically when the Auto Adjust is turned on.

This allows you to activate or deactivate the Advanced AccuBlend feature.

Auto: Turns on the Advanced AccuBlend feature. The projec- tor automatically reduces or enlarges the current image to fit the full screen.

Native: Turns off the Advanced AccuBlend feature. The projec- tor displays the current image in its true resolution.

NOTE: While you are displaying an image with higher resolu- tion than the projector's native resolution, even when you are in the Native mode, the image is displayed full screen using the Advanced AccuBlend feature.

Factory Default (Advanced mode)

Changes all adjustments and setting to the factory preset for each source individually except Lamp Usage Hours. (To reset the lamp usage time, see “Clear Lamp Hour Meter” on page E-32.)

All Data:Reset all the adjustments and settings for all the signals to the factory preset.

Current Signal: Resets the adjustments for the current signal to the factory preset levels.

The items that can be reset are: Picture, Color Temperature, Gamma Correction, Aspect Ratio, Noise Reduction, Color Matrix, White Balance, Position/Clock and Resolution.

E–30

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Contents MultiSync VT440/VT540 MultiSync VT440/VT540 LCD Projector User’s Manual Important Information PrecautionsCleaning Important SafeguardsInstallation Power SupplyFire and Shock Precautions Lamp ReplacementTable of Contents Introduction Features you’ll enjoyGetting Started Whats in the Box? ConnectQuick Guide ManualUsersCarrying the Projector Slot for Card Remote Control Rear/ Side FeaturesTop Features Terminal Panel Features Remote Control Remote Control FeaturesRemote Control Precautions Operating Range Adjusting the Tilt Foot InstallationSetting up Your Projector Using a Tabletop or CartZoom Lens Tele Distance ChartDistance Chart Zoom Lens WideReflecting the Image Ceiling InstallationMonitor Wiring DiagramAudio cable Connecting Your PCSignal cable supplied IBM VGA or CompatiblesTo connect to a Macintosh, simply Connecting Your Macintosh ComputerMacintosh Notebook type Macintosh Desktop typeExamples of DIP switch setting Settings for Monitor ModeExternal monitor Connecting an External MonitorOptional 15-pin-to-RCA3 cable Connecting Your DVD PlayerDVD player Audio EquipmentDocument camera Connecting Your VCR or Laser Disc PlayerVCR/ Laser disc player Audio equipmentGeneral Controls OperationEnlarging and Moving a Picture Using the Menus Basic/ Advanced Menu Sub Menu Menu TreeItems Menu Elements Picture VolumeMenu Descriptions & Functions Source SelectGamma Correction Advanced mode Lamp ModeAdvanced Options Advanced mode White Balance Factory Default Advanced modeMenu SetupHelp ContentsInformation Replacing the Lamp MaintenanceTo replace the lamp Cleaning or Replacing the Filters Remote Control Battery InstallationProblem Check These Items TroubleshootingPower/ Status Light Messages Common Problems & SolutionsElectrical SpecificationsMechanical VT440 / VT540 Cabinet DimensionsPin No RGB Signal Analog YCbCr Signal Mini D-Sub 15 Pin ConnectorSub Pin Assignments Timing Chart Communication Protocol PC Control Connector DIN-8PPC Control Codes Cable Connection7841139