Dukane 28A8757 user manual Optimizing video images, Customizing the projector

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Optimizing video images

After the video device is connected properly and the image is on the screen, you can optimize the image using the onscreen menus. For general informa- tion on using the menus, see page 27.

Adjust the Keystone, Contrast, Brightness, Color, or Tint in the Picture menu. See page 28.

Change the Aspect ratio. Aspect ratio is the ratio of the image width to image height. TV screens are usually 1.33:1, also known as 4:3. HDTV and most DVDs are 1.78:1, or 16:9. Choose the option that best fits your input source. See page 28.

Select a Sharpness setting. See page 30.

Adjust the Color Temperature. Select a listed value, or select User and individually adjust the intensity of the red, green, and blue color. See page 30.

Select a different Video Standard. Auto tries to determine the standard of the incoming video. Select a different standard if necessary. See page 30.

Turn overscan on to remove noise around the video image. See page 30.

Customizing the projector

You can customize the projector for your specific setup and needs. See page 31 to page 34 for details on these features.

For rear projection, turn Rear mode on in the Settings>System menu.

For ceiling mounted projection, turn Ceiling mode on in the Set- tings>System menu.

Specify which source the projector checks first for active video during power-up.

Specify the function of the Effect Key on the remote.

Turn the projector’s display messages on and off.

Turn on power saving features.

Specify blank screen colors and startup logos.

Specify the menu language.

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Contents Audio Visual Products USERS MANUAL MODEL 28A8757Page Safety Certifications Remote Control WarningDeclaration of Conformity TrademarksTable of Contents Important Operating ConsiderationsIncluded items IntroductionCables Projector components and features networkRequired computer connections Connecting a computerOptional computer connections nector on the projector Displaying a computer image ? No startup screen? Get help on pageFirst-time projector use with Windows Skip this page if you did not connect a USB mouse cable For WindowsThe Wizard launches three times For Windows 2000, Windows ME, and Windows XPAdjusting the image Standard video connections Connecting a video deviceOptional video connections Displaying a video image press Poweradjust distance elevatorand sharpness are produced Troubleshooting your setup Shutting down the projectorPower Save Screen SaveSource troubleshooting ProblemSolution Plug power cable in and remove lens capSignal No computer image, just the words “Signal out of range”range For a laptop, disable laptop monitor or turn-on dual- display mode Remote control not controlling my computer’s mouseImage fuzzy or cropped Image clear and not croppedProjector troubleshooting Adjust keystone on keypadAdjust Sharpness in the PictureAdvanced Image not squareTurn off Ceiling in SettingsSystem menu Turn off Rear in SettingsSystem menuImage does not fit 169 screen Image upside down Image reversed left to rightAdjust color, tint, color temperature COLORCOLOR Change Video Standard inMove projector, adjust zoom, adjust height adjust horizontal or vertical position in PictureAdvanced menuLamp must be replaced page Lamp turns onUsing the keypad buttons Regarding this projectorUsing the remote control Troubleshooting the remoteTroubleshooting audio Using the audioConnecting external speakers Presentation features Optimizing computer imagesOptimizing video images Customizing the projectorUsing the menus Picture menu Presets The provided Presets optimize the projector for displaying com Advanced settings Settings menu Blank shows an empty screen Mute turns off all sound Service Maintenance Cleaning the lensReplacing the projection lamp Resetting the lamp timer WARNINGSUsing the security lock computer inSpecifications AccessoriesAppendix DimensionsProjected image size Optional AccessoriesDistance to screen DiagonalNumerics Page USB, using your mouse Video connector 11 video images optimizingtemperature limits 38 Tint 13 Troubleshooting 14 VESA port 6 Video button 12 video connections optional 11 standardSERVICE & REPAIR FIVE-YEAR LIMITED WARRANTYLEGAL INFORMATION Parts & Service 676-2486584-5156 676-2487