NEC VT57, VT58, VT480 manual Correcting Keystone Distortion, Adjusting with buttons on the cabinet

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3. Projecting an Image (Basic Operation)

Correcting Keystone Distortion

Correcting Keystone Distortion

If the screen is tilted vertically, keystone distortion becomes large. Proceed with the following steps to correct keystone distortion

NOTE: The Keystone correction can cause an image to be slightly blurred because the correction is made electronically.

NOTE: The Keystone correction range can be made narrower, depending on a signal or its aspect ratio selection.

Adjusting with buttons on the cabinet

1. Press the SELECT or button with no menus displayed

After the Keystone screen is displayed, press the SELECT or button to correct the keystone distortion.

2. Press the EXIT button.

The Keystone screen will be closed. The changes will take effect.

NOTE: When the menu is displayed, the above operation is not available. When the menu is displayed, press the MENU button to display the menu and start the Keystone correction from the menu.

From the menu, select [Setup] [General] [Keystone]. The changes can be saved with [Keystone Save]. (page 43)

Adjusting with the Remote Control

1. Press the MENU button.

The menu will be displayed.

2.

Press the SELECT

button to select [Setup] and press the ENTER button.

3.

Press the SELECT

button to select [Keystone].

4.

Press the SELECT

or button.

Adjust so that the image is rectangular.

5.Press the MENU button. The menu will be closed.

NOTE: The Keystone correction can cause an image to be slightly blurred because the correction is made electronically.

TIP: The changes can be saved with [Keystone Save]. (page 43)

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Contents VT580/VT480/VT58/VT57/VT48 Page Safety Cautions PrecautionsDOC Compliance Notice for Canada only Disposing of your used productImportant Safeguards InstallationImportant Information RF Interference for USA onlyFire and Shock Precautions IiiLamp Characteristic Remote Control PrecautionsLamp Replacement Table of Contents Table of Contents Convenient FeaturesUsing On-Screen Menu MaintenanceWhats in the Box? For VT580 and VT480 onlyFeatures youll enjoy Introduction to the ProjectorIntroduction Congratulations on Your Purchase of the ProjectorRear Part Names of the ProjectorFront/Top Introduction Bottom Attaching the supplied carrying handleTop Features Introduction Terminal Panel Features VT58/VT57/VT48Part Names of the Remote Control PowerIntroduction Battery Installation Operating Range for Wireless Remote ControlSetting Up the Screen and the Projector Selecting a Location VT580/VT480/VT58/VT57Installation and Connections Selecting a Location VT48 240Installation and Connections Throw Distance and Screen Size Distance ChartVT580/VT480/VT58/VT57 VT48Installation and Connections Reflecting the ImageEnabling the computer’s external display Connecting Your PC or Macintosh ComputerMaking Connections Installation and Connections To connect Scart output RGB Installation and Connections Connecting an External Monitor Daisy chain connection is not possibleAudio cable not supplied Video cable not supplied Lamp Projecting an Image Basic Operation Turning on the ProjectorProjecting an Image Basic Operation Press the Enter button to execute the selectionSelecting a Source Detecting the Signal AutomaticallyUsing the Remote Control Lift the front edge of the projector Adjusting the Picture Size and PositionAdjust the Tilt Foot Projecting an Image Basic Operation Zoom FocusAdjusting with buttons on the cabinet Adjusting with the Remote ControlCorrecting Keystone Distortion Correcting Keystone DistortionPress the Select or button to select On Optimizing RGB Picture Automatically Turning Up or Down VolumeAdjusting the Image Using Auto Adjust Turning off the Projector To turn off the projectorAfter Use Enlarging a Picture Turning off the Image and SoundFreezing a Picture Changing Lamp Mode Convenient FeaturesTo enable the Security function Preventing the Unauthorized Use of the ProjectorSelect Yes and press the Enter button To disable the Security function Type in your keyword and press the Enter buttonUsing Remote Mouse Receiver VT580/VT480 only Connecting the remote mouse receiver to your computerWhen operating a computer via the remote mouse receiver When connecting using the USB terminalAbout Drag Mode SelectUsing On-Screen Menu Using the MenusUsing On-Screen Menu For Adjusting items Slide barFor Selecting items Solid triangle For Selecting items Radio buttonIndicates the Control Panel Lock is enabled Menu ElementsList of Menu Items PictureReset Preset Detail Settings Selecting Reference Setting ReferenceSelecting Gamma Correction Mode Gamma Correction Adjusting Color Temperature Color TemperatureUsing On-Screen Menu Adjusting White Balance White Balance Adjusting Brightness, Contrast, Sharpness, Color and HueReset Menu Descriptions & Functions Image OptionsSelecting Noise Reduction Level Noise Reduction CopyrightMenu Descriptions & Functions Setup Selecting Communication Speed Communication Speed Disabling the Cabinet Buttons Control Panel LockSetting Auto Adjust Auto Adjust Enabling Power Management Power ManagementSelecting Menu Color Menu Color Select Selecting Menu Display Time Menu Display TimeUsing On-Screen Menu Enabling Fan Speed Mode Fan Mode Selecting Signal Format Signal SelectEnabling Key Sound and Error Sound Beep Enabling the deinterlace DeinterlaceSource Menu Descriptions & Functions InformationUsage Time Menu Descriptions & Functions Reset Using On-Screen Menu VersionReturning to Factory Default Reset Clearing Lamp Hour Meter Clear Lamp HoursTo replace the filter sponge Cleaning or Replacing the FiltersTo clean the air-filter Reinstall the new filter cover Clear the filter hours used Cleaning the Cabinet and the LensMaintenance Replacing the Lamp To replace the lampReattach the lamp cover Remove the lamp housingInstall a new lamp housing Maintenance Troubleshooting Indicator Messages Power IndicatorProblem Check These Items AppendixPage Electrical SpecificationsOptical VT580/VT480 3.1 1.3A VT58/VT57/VT48 2.4 1.0AMechanical VT580/VT480/VT58/VT48Cabinet Dimensions 120.8Pin Assignments of D-Sub Computer Input Connector Mini D-Sub 15 Pin ConnectorCompatible Input Signal List PC Control Codes and Cable Connection PC Control Codes VT580/VT480PC Control Codes VT58/VT57/VT48 Cable ConnectionAppendix PC Control Connector DIN-8P Troubleshooting Check List PowerComputer TravelCare a service for international travelers TravelCare GuideAsia and Middle East Application Sheet for TravelCare Service Program Condition of your TravelCare Service Program