BenQ SP840 user manual Replacing the lamp, English, Maintenance

Page 58
Replacing the lamp

English

Replacing the lamp

If lamp replacement is performed while the projector is suspended upside-down from the ceiling, make sure that no one is underneath the lamp socket to avoid any possible injury or damage to the human eyes caused by fractured 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.

If lamp replacement is performed while the projector is suspended upside-down from the ceiling, make sure that no one is underneath the lamp socket to avoid any possible injury or damage to the human eyes caused by fractured lamp.

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. Press the lamp cover down as shown and the cover pops up.

3. Remove the lamp cover.

58 Maintenance

Image 58
Contents SP840 Digital Projector User Manual WelcomeWarranty and Copyright Table of contentsImportant safety EnglishImportant safety instructions Safety InstructionsSafety Instructions Continued 4 Important safety instructions12. Do not place this projector in any of the following environments Ceiling mounting the projector 6 Important safety instructionsProjector features IntroductionStandard accessories Shipping contentsOptional accessories Projector exterior view Front/upper sideProjector Controls and functionsSee Using the menus on page 26 for details Remote control See Auto-adjusting the image on page 30 for details Operating the LASER pointerSee Switching input signal on page 29 for details Remote control effective range Replacing the remote control batteryPositioning your projector Choosing a locationObtaining a preferred projected image size Positioning your projectorHow to determine the recommended screen size for a given distance 16 Positioning your projectordiagonal SP840 projection dimensions169 screen InchesConnections Connecting a computer or monitorConnecting a computer To connect the projector to a notebook or desktop computerConnecting a monitor To connect the projector to a monitorBest video quality Connecting Video source devicesConnecting Audio Better video qualityConnecting HDMI source devices To connect the projector to an HDMI source deviceTo connect the projector to a Component Video source device Connecting Component Video source devicesTo connect the projector to an Audio source device To connect the projector to an S-Video source device Connecting S-Video source devicesS-Video Cable AV device Audio Cable To connect the projector to a composite Video source device Connecting Composite Video source devices24 Connections Operation Starting up the projectorSecuring the projector Using the menusUsing a security cable lock remote control to turn the OSD menu onSetting a password Utilizing the password functionIf you forget the password Disabling the password function Entering the password recall procedureChanging the password password next time the projector is startedSwitching input signal Changing Color SpaceAuto-adjusting the image Adjusting the projected imageAdjusting the projection angle Fine-tuning the image size and clarityUsing Auto Keystone Correcting keystoneKeystone function Selecting the aspect ratio Magnifying and searching for details32 Operation 4. Letter Box About the aspect ratio5. Real Optimizing the image Setting the User 1/User 2/User 3 modeSelecting a picture mode Adjusting Contrast Fine-tuning the image quality in user modesAdjusting Brightness Adjusting ColorSelecting a Color Temperature Adjusting Clarity ControlSelecting a Color Temperature UserFine Tuning Selecting a Gamma SelectionSelecting a White Peaking Adjusting Brilliant Color3D Color Management 1. Go to the PICTURE Advanced menu and highlight 3D Color Management Selecting Color Space ConversionSelecting a Video Format 2. Press MODE/ENTER and the 3D Color Management page displaysSelecting a Film Mode Remote paging operationsSelecting a 3D Comb Filter Locking control keys Setting the Sleep TimerHiding the image Operating in a high altitude environment Adjusting the soundFreezing the image INPUT SOUCERAdjusting the Bass level Adjusting the sound levelAdjusting the Treble level Turning off the Power on/off Ring ToneControlling the projector through a Lan environment Configuring the Lan Control SettingsIf you are in a DHCP environment Controlling the projector remotely through a web browser If you are in a non-DHCP environmentii. To switch input source, click on your desired signal Personalizing the projector menu display Shutting down the projectorMain menu Menu operationMenu system Sub-menuDisable/30 min/1 hr/2 hr/3 hr/4 hr/8 VolumePower on/off MuteEquivalent Lamp Hour Description of each menu for details Menu display time Menu position52 Operation Mute default setting DESCRIPTION default setting/valuevalue Cleaning the projector case MaintenanceCleaning the lens Care of the projectorLamp information Setting Lamp mode as EconomicSetting Auto Power Off Getting to know the lamp hourStatus Timing of replacing the lampSee Setting Lamp mode as Economic on page MessageReplacing the lamp 58 Maintenance4. Loosen the screws that secure the lamp Resetting the lamp timer SETUP Advanced Lamp SettingsPower events IndicatorsPower LightThe password is incorrect TroubleshootingRemote control does not work The projector does not turn onSpecifications Projector specifications132.4 DimensionsCeiling Mount Installation 254325Timing chart Supported timing for COMPUTER inputSupported timing for Component-YPbPr input EnglishSupported timing for Video and S-Video inputs Supported timing for HDMI HDCP input68 Specifications Copyright Warranty and Copyright informationLimited warranty DisclaimerEEC statement Regulation statementsFCC statement WEEE directiveAccessibility Requirements for Rehabilitation Act of 1973, Section Regulation statements
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