InFocus LP850, LP860, LP840 manual Maintenance, Cleaning the lens, Changing the lens

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LP840-850-860 User's Guide-02.fm Page 39 Friday, February 25, 2005 12:58 PM

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 Page ÅÉë=áåëíêìÅíáçåëK= Trademarks Table of Contents Important Operating Considerations for Safety Introduction Connector Panel Positioning the projector Optional computer connections Connecting a computerRequired 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 Optional video connections Connecting a video deviceStandard video connections Connect BNC cables Displaying a video image Lens shift button on the keypad Power Save Troubleshooting your setupShutting down the projector Screen SaveComputer image projected Source Troubleshooting Problem SolutionRange Out Image clear and not cropped Page Color Lamp may need to be replaced Lamp turns on Lamp won’t turn on, Temp LED solid redLamp won’t turn on, Lamp LED blinking red Still having problems? Using the keypad buttons Troubleshooting the remote Using the remote controlConnecting external speakers Using the audioTroubleshooting audio Optimizing computer images Presentation featuresCustomizing the projector Optimizing video imagesUsing the menus Picture menu Save Settings Presets Advanced settings Settings menu Screen Save PiP Enable PiP Position Effect Key Network Changing the lens MaintenanceCleaning the lens Replacing the projection lamp Resetting the lamp timer Troubleshooting Cleaning the dust filterUsing the security lock Width Image Feet/m AppendixProjected image size LED color/behavior Meaning LED BehaviorCommunication Configuration RS-232 commandsCommand Format Setting ValueLimitations 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 If YOU Need Assistance USER’S Guide
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