Eiki LC-NB4S Maintenance, AIR Filter Care and Cleaning, Cleaning Projection Lens, Recommendation

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APPENDIX

MAINTENANCE

WARNING TEMP. INDICATOR

WARNING TEMP. Indicator flashes red when an internal temperature of a projector exceeds the normal temperature. This Indicator stops flashing when the temperature of a projector returns to normal.

When WARNING TEMP. Indicator continues to flash, check the items listed below.

1

Ventilation Slots of the projector may be blocked. In such an event, reposition the projector so that Ventilation Slots

are not obstructed.

2

Air Filter may be clogged with dust particles. Clean Air Filter by following the section AIR FILTER CARE AND

CLEANING below.

3

If WARNING TEMP. Indicator remains on after performing the above checks, Cooling Fans or the Internal Circuits may

be malfunctioning. Contact service personnel from an authorized dealer or a service station.

AIR FILTER CARE AND CLEANING

Removable Air Filter prevents dust from accumulating on the surface of Projection Lens and Projection Mirror. Should Air Filter become clogged with dust particles, it will reduce Cooling Fans’ effectiveness and may result in internal heat build up and adversely affect the life of the projector. Clean Air Filter following the steps below:

1

Turn off the projector, and disconnect AC power cord from the

AC outlet.

2

Turn the projector upside down and remove Air Filter by pulling

the latches upward.

3

Clean Air Filter with a brush or wash out dust and particles.

4

inserted.Replace Air Filter properly. Make sure that Air Filter is fully

CAUTION

Do not operate the projector with Air Filter removed. Dust may accumulate on LCD Panel and Projection Mirror degrading picture quality.

Do not put small parts into Air Intake Vents. It may result in malfunction of the projector.

AIR FILTER

Pull up and remove.

RECOMMENDATION

We recommend avoiding dusty/smoky environments when operating a projector. Usage in these environments may cause poor image quality.

When using under dusty or smoky conditions, dust may accumulate on a lens, liquid crystal panels, or optical elements inside the projector. This condition may degrade the quality of a projected image.

When the above symptoms are noticed, contact your authorized dealer or service station for proper cleaning.

CLEANING PROJECTION LENS

Follow these steps to clean Projection Lens:

1

Apply a non-abrasive camera lens cleaner to a soft, dry cleaning cloth. Avoid using an excessive amount of cleaner.

Abrasive cleaners, solvents or other harsh chemicals might scratch a surface.

2

3

Lightly wipe a cleaning cloth over Projection Lens.

When the projector is not in use, replace Lens Cover.

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Contents Model LC-NB4S To the Owner Safety Instructions Voor de klanten in NederlandCompliances Federal Communication Commission NoticeTable of Contents Features and Design Compact Design Digital Zoom for ComputerName of Each Part of Projector PreparationHOT AIR Exhausted Connecting AC Power Cord SETTING-UP ProjectorFor Continental Europe Preparation Positioning Projector Adjustable FeetRoom Light Preparation Moving Projector Connecting Projector Terminals of ProjectorVideo Input Jack Terminal Input JackConnecting Projector Connecting to ComputerTerminals Projector Connecting to Video Equipment TerminalsOperation of Remote Control Unit Before OperationRemote Control Batteries Installation TOP Controls and Indicators Lamp Replace IndicatorOperating ON-SCREEN Menu HOW to Operate ON-SCREEN MenuFlow of ON-SCREEN Menu Operation Guide Window Before Operation Menu BARSound Menu Basic Operation Turning on / OFF ProjectorTurning on Projector Turning OFF ProjectorAdjusting Screen Zoom AdjustmentKeystone Adjustment Picture Freeze FunctionSound Adjustment Timer FunctionBasic Operation No Show Function Direct OperationComputer Input Selecting Input SourceSelecting Computer System RGB AnalogComputer Input Compatible Computer Specifications ResolutionResolution FreqPC Adjustment Auto PC AdjustmentPC Adjust Menu Auto PC AdjComputer Input Manual PC Adjustment Display area H Display areaFull screen Picture Image Adjustments Image Level Select DirectImage Level Select Menu Image 1~4Computer Input Image Level Adjustment Image Adjust MenuPicture Screen Adjustment Screen MenuVideo Video InputVideo Component Video Signal Format Selecting Video SystemPAL / Secam / Ntsc / NTSC4.43 / PAL-M / PAL-N AV System Menu Video or S-VIDEOCinema Video Input Image Level Adjustment ColorTint SharpnessProvides image at a normal video aspect ratio of 4 Setting Menu SettingSetting Menu To change the code of the Remote Control Unit To change the code of ProjectorAppendix Lamp ReplacementLamp Replace Lamp Handling Precautions Appendix Lamp Replace CounterInstallation Operating Wireless MouseOperating Wireless Mouse Maintenance AIR Filter Care and CleaningCleaning Projection Lens RecommendationTroubleshooting Remote Control Unit Wireless MouseDoes not work Function does notTechnical Specifications Monitor OUT Terminal Analog Appendix Configurations of TerminalsDVI-I Terminal DIGITAL/ANALOG Control Port Connector Optional PartsPOA-MCSRL POA-MCMACPage Page Key to better communications Canada