Lenovo M500 manual Cleaning the projector, Cleaning the lens, Cleaning the case

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4.Press the up or down cursor button or the Enter button. A message screen appears.

5.Using the remote, press the cursor buttons in this order: down, up, left, right. The Status menu displays the Lamp Hours reset to zero.

Cleaning the projector

Cleaning the projector to remove dust and grime will help ensure trouble-free operation.

Attention: Be sure to turn off and unplug the projector at least an hour before cleaning. Use only a dampened cloth when cleaning. Do not allow water to enter the ventilation openings on the projector. If any water gets into the projector interior while cleaning, leave unplugged in a well-ventilated room for several hours before using. If a lot of water gets into the projector interior when cleaning, have the projector serviced.

Cleaning the lens

You can purchase optic lens cleaner from most camera stores. Refer to the following to clean the projector lens.

1.Apply a little optic lens cleaner to a clean soft cloth. (Do not apply the cleaner directly to the lens.)

2.Lightly wipe the lens in a circular motion.

Attention: Do not use abrasive cleaners or solvents. To prevent discoloration or fading, avoid getting cleaner on the projector case.

Cleaning the case

Refer to the following to clean the projector case.

1.Wipe off dust with a clean dampened cloth.

2.Moisten the cloth with warm water and mild detergent (such as used to wash dishes), and then wipe the case.

3.Rinse all detergent from the cloth and wipe the projector again.

Attention: To prevent discoloration or fading of the case, do not use abrasive alcohol-based cleaners.

Appendix A. Maintenance A-3

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Contents M500 Projector User’s Guide Page M500 Projector User’s Guide Ii M500 Projector User’s Guide Contents Iv M500 Projector User’s Guide Safety information Vi M500 Projector User’s Guide Service General safety guidelinesPower cords and power adapters Extension cords and related devicesHeat and product ventilation BatteriesCD and DVD drive safety M500 Projector User’s Guide Registering your option Xii M500 Projector User’s Guide Product Description Packing checklist Top view Top view of the projectorOn-Screen Display OSD buttons and LEDs Rear view Rear view of the projectorBottom view of the projector Remote control partsBottom view Product Description Remote control operating range Projector and remote control buttons 10M500 Projector User’s Guide Inserting remote control batteries Setup and OperationConnecting to a USB device Connecting input devicesConnecting devices Description Starting and shutting down the projector Setting access passwords security lock Setup and Operation Adjusting the projected image position Adjusting zoom, focus and keystone Adjusting with the projector quick menu button Adjusting volumeOSD menu controls On-screen display OSD menu settingsNavigating the OSD Function2M500 Projector User’s Guide Quality menu Setting the OSD languageQuality menu functions available for connected source Description DefaultComponent Function Video Composite videoProperties menu Properties menu functions available for connected source Advance features User Color Description Default Options menu Setup menu Language menu Setup menu functions available for connected sourceInformation menu 14M500 Projector User’s Guide Replacing the projection lamp Appendix A. MaintenanceResetting the lamp Cleaning the lens Cleaning the projectorCleaning the case Using the Kensington lock Common problems and solutions Appendix B. TroubleshootingTroubleshooting tips LED error messagesLamp problems Image problemsAudio problems Remote control problemsServicing the projector 4M500 Projector User’s Guide Specifications Appendix C. SpecificationsProjection distance vs. projection size Frequency H Signal Resolution KHz Video Digital Analog Timing mode table4M500 Projector User’s Guide Online technical support Appendix D. Service and SupportTelephone technical support 2M500 Projector User’s Guide Part 1 General Terms Appendix E. Lenovo Statement of Limited WarrantyWhat Lenovo Will Do to Correct Problems Limitation of Liability Part 2 Country-unique TermsBolivia Canada Malaysia Following Terms Apply to ALL Emea Countries Governing Law Following Terms Apply to ALL EU Countries Second paragraph does not apply Egypt Slovakia Warranty Period Part 3 Warranty InformationTypes of Warranty Service Type of WarrantyCountry or Region Telephone Number Worldwide telephone listAppendix E. Lenovo Statement of Limited Warranty E-15 16M500 Projector User’s Guide Guarantee supplement for Mexico 18M500 Projector User’s Guide Appendix F. Notices Trademarks For Home or Office USE Appendix G. Electronic emission noticesAvis de conformité à la directive de l’Union Européenne Unione Europea Directiva EMC Conformidad électromagnética 4M500 Projector User’s Guide Page Part Number 40Y7881