BenQ PB2140/PB2240 user manual Maintenance, Cleaning the Lens, Cleaning the Projector Case

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Maintenance

Your projector needs little maintenance. Things you have to do on a regular basis are keep the lens clean.

Never remove any parts of the projector except the lamp. Contact your dealer if other parts needs replacing.

Cleaning the Lens

Clean the lens whenever you notice dirt or dust on the surface.

Use a canister of compressed air to remove dust.

If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens cleaner to gently wipe the lens surface.

Never rub the lens with abrasive materials.

Cleaning the Projector Case

Before you clean the case, turn the projector off and unplug the power cord.

To remove dirt or dust, wipe the case with a soft, dry, lint-free cloth.

To remove stubborn dirt or stains, moisten a soft cloth with water and a neutral detergent. Then wipe the case.

Never use wax, alcohol, benzene, thinner or other chemical detergents. These can damage the case.

Storing the Projector

If you need to store the projector for an extended time, please follow the instructions below.

Make sure the temperature and humidity of the storage area are within the recommended range for the projector. Please refer to the Spec. page in the manual or consult your dealer about the range.

Retract the adjuster feet.

Remove the batteries from the remote control.

Pack the projector in its original packing or equivalent.

Transporting the projector

It is recommended that you ship the projector with its original packing or equivalent. When you carry the projector yourself, please use the provided soft carry case.

Maintenance 29

Image 33 Contents
Welcome Disclaimer CopyrightTable of Contents Ordering Parts or Getting Information Iv Table of ContentsImportant Safety Instructions But could fail if power cuts or surgesImportant Safety Instructions Safety Instructions Do not block the ventilation holes Introduction Projector FeaturesShipping Contents Projector Exterior View Optional AccessoriesFront / Upper Side Rear SideControls and Functions Adjusts the focus of the projected image IntroductionExternal Control Panel Turns the projector on or offFunctions Descriptions Remote Control DescriptionRemote Control Effective Range Installing or Replacing the BatteryRestore the image. Refer to page 20 for more information Connection Connecting to a Laptop or Desktop ComputerConnecting Video and S-Video Devices Connecting Equipment to the Component Video InputVideo devices Video cable Audio cable ConnectionVideo devices Video cable Audio cable Installation Choosing a LocationIV. Ceiling rear Press the adjuster button again to retract the foot Adjusting the HeightZoom ring Installation Screen SizeScreen size chart 169 aspect ratio Screen size chart 43 aspect ratioOperation Start UpOperation Shutdown Disconnect the power cord from the wall socketFor example Digital Keystone CorrectionSource Selection Auto AdjustmentBlank Zoom / FocusingMenu System Menu OperationUsing the Menus Picture Menu Preset ModeKeystone BrightnessColor TintIncreases or decreases the color intensity of the image Pro-Picture Menu Volume OSD Time Setting Menu Reset MuteAdvance Menu Information Menu ResolutionSource Lamp HourCleaning the Lens MaintenanceCleaning the Projector Case Storing the ProjectorLamp Information Replacing the LampMessage Status For 45 minutes until the lamp has cooled Indicators Light Status & Description Power Temp Lamp Power eventsTemp Information Thermal events Lamp eventsNew one immediately Please contact your dealer for assistanceAccessories included in the standard package Service InformationOptional Accessories not included in the standard package Ordering Parts or Getting InformationPlug the power cord into the AC inlet on TroubleshootingMake sure that it is switched on Cause RemedyProjector Specifications SpecificationsSupported Timing for PC Input Timing ChartSupported Timing for Component-YPbPrInput Supported Timing for Video and S-Video InputsUnit mm Dimensions DimensionsWarranty Limited WarrantyWarranty FCC Statement Regulation StatementsEEC Statement MIC Statement