Dukane 28A8757 user manual Picture menu

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Picture menu

Picture menu

To adjust the following five settings, highlight the setting, press Select, use the up and down arrows to adjust the values, then press select to confirm the changes.

Keystone: adjusts the image vertically and makes a squarer image. You can also adjust keystone from the keypad.

Contrast: controls the degree of difference between the lightest and darkest parts of the picture and changes the amount of black and white in the image.

Brightness: changes the intensity of the image.

Color: (video sources only) adjusts a video image from black and white to fully saturated color.

Tint: (NTSC video sources only) adjusts the red-green color balance in the image.

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. The default is 4:3, which displays the input resized up or down to fill the display area.

increasing keystone

Aspect ratio

decreasing keystone

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Contents Audio Visual Products USERS MANUAL MODEL 28A8757Page Declaration of Conformity Safety CertificationsRemote Control Warning TrademarksTable of Contents Important Operating ConsiderationsIntroduction Included itemsCables Projector components and features networkConnecting a computer Required computer connectionsOptional computer connections nector on the projector Displaying a computer image ? No startup screen? Get help on pageFirst-time projector use with Windows The Wizard launches three times Skip this page if you did not connect a USB mouse cableFor Windows For Windows 2000, Windows ME, and Windows XPAdjusting the image Connecting a video device Standard video connectionsOptional video connections adjust distance Displaying a video imagepress Power elevatorand sharpness are produced Power Save Troubleshooting your setupShutting down the projector Screen SaveSolution Source troubleshootingProblem Plug power cable in and remove lens capNo computer image, just the words “Signal out of range” Signalrange Image fuzzy or cropped For a laptop, disable laptop monitor or turn-on dual- display modeRemote control not controlling my computer’s mouse Image clear and not croppedAdjust Sharpness in the PictureAdvanced Projector troubleshootingAdjust keystone on keypad Image not squareImage does not fit 169 screen Image upside down Turn off Ceiling in SettingsSystem menuTurn off Rear in SettingsSystem menu Image reversed left to rightCOLOR Adjust color, tint, color temperatureCOLOR Change Video Standard inLamp must be replaced page Move projector, adjust zoom, adjust heightadjust horizontal or vertical position in PictureAdvanced menu Lamp turns onUsing the keypad buttons Regarding this projectorUsing the remote control Troubleshooting the remoteUsing the audio Troubleshooting 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 inAppendix SpecificationsAccessories DimensionsDistance to screen Projected image sizeOptional Accessories DiagonalNumerics Page temperature limits 38 Tint 13 Troubleshooting 14 USB, using your mouseVideo connector 11 video images optimizing VESA port 6 Video button 12 video connections optional 11 standardFIVE-YEAR LIMITED WARRANTY SERVICE & REPAIRLEGAL INFORMATION 584-5156 Parts & Service676-2486 676-2487