BenQ MX761 user manual Replacing the lamp

Page 65

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 qualified 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 power outlet. If the lamp is hot, avoid burns by waiting for approximately 45 minutes until the lamp has cooled.

2.Loosen the screw that secures the lamp

cover on the side of the projector until the lamp cover loosens.

3.Remove the lamp cover from the projector.

4.Remove and dispose of the lamp protection film.

•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.

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5.Disconnect the lamp connector from the

projector as illustrated.

6. Loosen the screw that secures the lamp.

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Maintenance 65

Image 65

Contents MX760/MX761 Digital Projector WelcomeTable of contents Safety Instructions Important safety instructionsRefer servicing to qualified service personnel Important safety instructionsSafety Instructions Locations with an ambient temperature Locations near fire alarmsLocations where the altitudes are higher Confined. Allow at least 50 cm clearanceIt from the power supplys power outlet InstalledServiced Do not step on the projector or placeIntroduction Projector featuresIntroduction Shipping contents Rear/lower side Projector exterior viewFocus ring Power indicator lightZoom ring LeftTest Remote controlAuto Keystone/Arrow buttons / Up DownMute Operating the Laser pointerMIC/VOL + Numeric buttonsApprox.+15º Remote control effective rangeReplacing the remote control batteries Choosing a location Positioning your projectorFront Table Front CeilingObtaining a preferred projected image size Projection dimensionsShifting the projection lens When the projector position is fixedVideo cable Hdmi cable Connection ConnectionConnecting audio Connecting video source devicesTerminal name Terminal appearance BestDevice Playing sound through the projectorAbout the microphone input Page Operation OperationStarting up the projector Adjusting the projection angle Adjusting the projected imageAuto-adjusting the image Fine-tuning the image size and clarityCorrecting keystone Use / to highlight the System Setup Basic menu Using the menusFollowing example describes how to set the OSD language Utilizing the password function Using a security cable lockSetting a password Highlight Change Security Settings and press MODE/ENTEREntering the password recall procedure If you forget the passwordChanging the password Write down the number and turn off your projectorDisabling the password function Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsAdjustments Projectors native resolution in its Displayed in the centerAbout the aspect ratio Screen with a 169 aspect ratioSelecting a picture mode Using Wall ColorSetting the User 1/User 2 mode Go to the Picture Picture Mode menuFine-tuning the image quality in user modes Every adjustment made will reflect to Press To highlight Saturation and adjust its3D Color Management Range at 0, only pure red in the projectedTo cancel the timer, perform the following steps Setting the presentation timerCount Up Increases from 0 to the preset time Count Down Selection DescriptionRemote paging operations Utilizing FAQ functionFreezing the image Hiding the imageUsing the remote control To activate the High Altitude ModeLocking control keys Operating in a high altitude environmentAdjusting the sound level Adjusting the soundAdjusting the microphone volume Turning off the Power On/Off Ring ToneCable connection Controlling the projector through a LAN environmentIf you are in a Dhcp environment If you are in a non-DHCP environmentHighlight Wireless LAN and press MODE/ENTER Wireless connectionControlling the projector remotely through a web browser Page Page Iii Operation Page Operation Page Displaying images through Q Presenter Downloading and installing Q PresenterUsing Q Presenter Operation Operation Presenting from a USB Reader Shutting down the projector Direct power offOnce the cooling process finishes, a Power Off Ring Menu system Menu operationMain menu Sub-menu Options BasicAdvanced Advanced Network Description of each menu Temperature Picture ModeManagement Save Settings Display menu Picture menu Function Description TeachingTimer System Setup Basic menu Function Description Quick AutoSettings SearchPanel Key Settings Security DescriptionBackground LockReset All System Setup Advanced menu Function DescriptionBaud Rate Test PatternCurrent Features ServiceSystem StatusCare of the projector MaintenanceSetting Auto Power Off Setting Lamp Mode as EconomicLamp information Getting to know the lamp hourStatus Message Timing of replacing the lampReplacing the lamp Tighten the screw that secures the lamp Tighten the screw that secures the lamp cover Connect the power and restart the projectorResetting the lamp timer Light Status & Description Power events IndicatorsLamp events Thermal eventsTroubleshooting Projector specifications SpecificationsMm W x 128 mm H x 252 mm D DimensionsCeiling Mount screw M4 x 8 Max L = 8 mm Unit mmSupported timing for PC input Timing chartSupported timing for Hdmi Hdcp input Supported timing for Video and S-Video inputs Supported timing for Component-YPbPrinputTiming HorizontalLimited warranty Warranty and Copyright informationCopyright DisclaimerFCC statement for United States users Regulation statementsEEC statement for European users Weee directive