Dukane 28A8757 user manual Maintenance, Cleaning the lens

Page 36
Maintenance

Maintenance

Cleaning the lens

1Apply a non-abrasive camera lens cleaner to a soft, dry cloth.

Avoid using an excessive amount of cleaner, and don’t apply the cleaner directly to the lens. Abrasive cleaners, solvents or other harsh chemicals might scratch the lens.

2Lightly wipe the cleaning cloth over the lens in a circular motion. If you don’t intend to use the projector immediately, replace the lens cap.

clean the lens

with a soft dry cloth and non-abrasive cleaner

34

Image 36
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