Dukane 28A8757 user manual Adjusting the image

Page 12
Adjusting the image

Adjusting the image

adjust height

Adjust the height of the projector, if necessary, by pressing the release but- ton to extend the elevator foot.

Rotate the leveling foot, if necessary.

Manual backgroundelevator foot

rotate level- ing foot

Position the projector the desired distance from the screen at a 90 degree

 

angle to the screen.

adjust distance

See page 39 for a table listing screen sizes and distances.

 

Adjust the zoom or focus rings by rotating them until the desired image size

and sharpness are produced.

adjust zoom and focus

 

zoom Manual background

focus Manual background

If the image is not square, adjust the keystone by using the buttons on the

keypad.

adjust keystone

Press the upper Keystone button to reduce the upper part of the image, and press the lower Keystone button to reduce the lower part.

Adjust the Contrast or Brightness in the Picture menu.

adjust Contrast or Brightness

See page 27 for help with the menus.

contrast

Manual background brightness

10

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Contents Audio Visual Products USERS MANUAL MODEL 28A8757Page Safety Certifications Remote Control WarningDeclaration of Conformity 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 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 Connecting a video device Standard video connectionsOptional 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 capNo computer image, just the words “Signal out of range” Signalrange 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 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 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 standardFIVE-YEAR LIMITED WARRANTY SERVICE & REPAIRLEGAL INFORMATION Parts & Service 676-2486584-5156 676-2487