InFocus LP850, LP860 manual Maintenance, Cleaning the lens, Changing the lens

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Maintenance

NOTE: When you are performing maintenance activities on your projector, keep in mind that you should only remove screws that are single-slot, or flathead, screws. Any other type of screw, such as a phillips or star should not be removed. These types of screws should only be removed by technical support experts.

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.

Changing the lens

clean the lens

with a soft dry cloth and non-abrasive cleaner

turn off and unplug the projector

Long throw and short throw lenses are available with your projector.

 

 

 

front

slide lever in slot to

1

Turn off the projector and unplug the power cable.

lens release holes

pop open cover

bezel

2

Turn the projector upright with the lens facing upward and use a screw-

 

 

 

cover

 

 

 

 

driver to remove the two screws from the front bezel release holes on the bottom of the projector.

3Lift off the front bezel.

4 Gently place a flathead screwdriver into the slot on the top of the projec- tor (it is by the right speaker) and slide the small lever toward the right speaker. The cover that protects the lens and the lamp housing pops up.

5Loosen the captive screw to the door that covers the lens housing.

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Contents USER’S Guide Trademarks Table of Contents Important Operating Considerations for Safety Online Registration AccessoriesProjector components and features back IntroductionConnector Panel Positioning the projector Connecting a computer Required computer connectionsOptional computer connections Visit our website for information on ProjectorNet Displaying a computer image First-time projector use with Windows For Windows 2000, Windows ME, and Windows XP Wizard launches two timesAdjusting the image Connecting a video device Standard video connectionsOptional video connections Connect BNC cables Displaying a video image You can also adjust the zoom and focus via the menus. See Screen Save Troubleshooting your setupPower Save Shutting down the projectorComputer image projected SolutionRange Out Image clear and not cropped Page Color Lamp won’t turn on, Temp LED solid red Lamp won’t turn on, Lamp LED blinking redLamp may need to be replaced Lamp turns on Still having problems? Using the keypad buttons Troubleshooting the remote Using the remote controlUsing the audio Troubleshooting audioConnecting external speakers Optimizing computer images Presentation featuresCustomizing the projector Optimizing video imagesUsing the menus Picture menu Presets Advanced settings Settings menu Screen Save PiP Enable PiP Position Effect Key Network Maintenance Cleaning the lensChanging the lens Replacing the projection lamp Resetting the lamp timer Cleaning the dust filter Using the security lockTroubleshooting Appendix Projected image sizeWidth Image Feet/m LED color/behavior Meaning LED BehaviorSetting Value RS-232 commandsCommunication Configuration Command FormatLimitations Error ConditionsINT at RW Disable Enable IR Receiver front IRF at RW = Japanese = Korean = Portuguese = Russian = Norwegian NND Page Ntsc Numerics IndexPage XGA Warranty Limitation and Exclusion Limited WarrantyDisclaimer of Unstated Warranties
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