BenQ cp270 user manual Replacing the lamp, Loosen the screw that secures the lamp Maintenance

Page 48

Replacing the lamp

To reduce the risk of electrical shock, always turn the projector off and disconnect the power cord before changing the lamp.

To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before replacing the lamp.

To reduce the risk of injuries to fingers and damage to internal components, use caution when removing lamp glass that has shattered into sharp pieces.

To reduce the risk of injuries to fingers and/or compromising image quality by touching the lens, do not touch the empty lamp compartment when the lamp is removed.

This lamp contains mercury. Consult your local hazardous waste regulations to dispose of this lamp in a proper manner.

To assure optimal performance from the projector, it is recommended that you purchase a BenQ projector lamp for lamp replacement.

1.Turn the power off and disconnect the

projector from the wall socket. If the lamp is hot, avoid burns by waiting for approximately 45 minutes until the lamp has cooled.

2. Turn the projector over. Then loosen the screws on the lamp cover.

3.Remove the lamp cover from the

projector.

Do not turn the power on with the lamp

cover removed.

• Do not insert your fingers between the lamp and the projector. The sharp edges inside the projector may cause injuries.

4.Loosen the screw that secures the lamp.

48 Maintenance

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Contents Welcome CP270 Digital ProjectorTable of contents Important safety instructions Refer servicing to qualified service personnelFuture reference Projector lamp is on Do not look straight at the projectorSafety Instructions Do not block the ventilation holes This Apparatus Must be Earthed Projector features IntroductionIntroduction Shipping contents Projector exterior view Front/upper sideControls and functions ProjectorRemote control Remote control effective range Replacing the remote control batteryPull out the battery holder Set Rear Table in the System Setup Basic Projector Positioning your projectorChoosing a location Front TableObtaining a preferred projected image size Page Projection dimensions Connecting a computer ConnectionTo connect the projector to a notebook or desktop computer ConnectionConnecting Video source devices Best video qualityBetter video quality Least video qualityConnecting a Component Video source device To connect the projector to a Component Video source deviceAV device Component Video to VGA D-Sub adaptor cable Connecting an S-Video source device To connect the projector to an S-Video source deviceAV device Video cable Connecting a composite Video source device To connect the projector to a composite Video source deviceOperation Starting up the projectorOperation Using the menus Use / to highlight the System Setup Basic menuUtilizing the password function Setting a passwordIf you forget the password Security SettingsEntering the password recall procedure Changing the passwordDisabling the password function Enter a new passwordSwitching input signal Adjusting the projected imageAdjusting the projection angle Auto-adjusting the image Fine-tuning the image size and clarityMagnifying and searching for details Correcting keystoneAt the bottom of the image Selecting the aspect ratio About the aspect ratioUse of the screen without altering the images aspect Ratio Selecting a picture mode Picture modes for different types of signalsPC input signals D-Sub / Comp. analog RGB Video input signals S-Video, Video, D-Sub / Comp. YPbPrUsing Wall Color Fine-tuning the image quality in user modesSetting the User 1/User 2 mode Adjusting BrightnessAdjusting Color Adjusting TintAdjusting Sharpness Adjusting Brilliant ColorPress Mode/Enter and the 3D Color Management page displays Setting the presentation timer Top-Left Bottom-Left Top- Right Bottom-RightTo cancel the timer, perform the following steps How to use the Timer On key?Or go to the System Setup Basic Panel Hiding the imageUtilizing FAQ function Freezing the imageInformation menu Based on the information you want to know Press Mode/EnterTo activate the High Altitude Mode System Setup Advanced menu isTo highlight High Altitude Mode Operating in a high altitude environmentShutting down the projector Menu operation Menu systemMain menu Sub-menu Options Lamp mode Normal/Economic Lamp SettingsBasic AdvancedDescription of each menu Picture menu Source 4. System Setup Basic menumenu Color TemperatureSave Settings TimerBlank Timer Sleep TimerSettings Panel KeyReset All FAQ-Image InstallationFeatures Service Information menuMaintenance Care of the projectorSetting Lamp mode as Economic Setting Auto Power OffLamp information Getting to know the lamp hourTiming of replacing the lamp Loosen the screw that secures the lamp Maintenance Replacing the lampPage Resetting the lamp timer Setup Advanced Lamp Settings menuDisplays. Press to highlight Reset lamp Tighten the screws that secure the lamp CoverIndicators Troubleshooting Specifications Projector specificationsDimensions Timing chartResolution Mode Supported timing for PC inputSignal Format Supported timing for Component-YPbPrinputSupported timing for Video and S-Video inputs HorizontalWarranty and Copyright information Limited warrantyCopyright DisclaimerRegulation statements FCC statementEEC statement Weee directive