BenQ MX850UST, MW851UST user manual Replacing the lamp

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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 screws that secure 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 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.Loosen the screw that secures the lamp.

6.Lift the handle so that it stands up.

7.Disconnect the lamp connector from the projector.

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Maintenance 53

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Contents Welcome Table of contents Refer servicing to qualified service personnel Important safety instructionsSafety Instructions Safety Instructions Locations with an ambient temperature Locations near fire alarmsLocations where the altitudes are higher Confined. Allow at least 50 cm clearanceInverted images for ceiling mount InstallationIntroduction Projector featuresIntroduction Shipping contents Front/upper side Rear/lower side Projector exterior viewControls and functions Projector ON/OFF Remote controlTest Keystone/Arrow buttons / Up DownMute Operating the Laser pointerMIC/VOL + Numeric buttonsReplacing the remote control battery Remote control effective rangeFront Ceiling Positioning your projectorChoosing a location Obtaining a preferred projected image size Projection dimensionsDiagonal Inches 1524 Screen Size Distance from Screen in mm808 1778 1508 942Connection Connecting audio Connecting video source devicesTerminal name Terminal appearance BestPlaying sound through the projector Audio Settings Microphone Volume menuAbout the microphone input DeviceOperation OperationStarting up the projector Auto-adjusting the image Adjusting the projected imageFine-tuning the image clarity Correcting keystoneUse / 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/ENTERWrite down the number and turn off your projector If you forget the passwordEntering the password recall procedure Enter a new password Changing the passwordDisabling the password function Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsAbout the aspect ratio Projectors native resolution in its Displayed in the centerScreen with a 169 aspect ratio Aspect alterationSelecting 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 DescriptionFreezing the image Remote paging operationsHiding the image Locking control keysCreating your own startup screen To activate the High Altitude ModeOperating in a high altitude environment Cable connection Adjusting the soundControlling the projector through a LAN environment If you are in a non-DHCP environment Controlling the projector remotely through a web browserIiii Iiiv Press Exit to go back to the remote network operation Shutting down the projector Direct power offMain menu Sub-menu Options Menu operationMenu system Sleep Timer System Setup BasicMin/25 min/30 min Hr/8 hr/12 hrAdvanced Description of each menu Temperature Picture ModeSave Settings Display menu Picture menu Function Description TeachingSettings TimerSearch Color SpaceOperation Function DescriptionPanel Key LockAltitude System Setup Advanced menu Function Description HighAudio LampReset All System Setup Advanced menu Function DescriptionStandby NetworkCurrent Information menu Function DescriptionSystem Status Care 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 Use the handle to slowly pull the lamp out of the projector Time will be reset to Connect the power and restart the projectorResetting the lamp timer Lamp events IndicatorsLight Status & Description Power events Troubleshooting Projector specifications SpecificationsMm W x 236.9 mm H x 322.8 mm D 339 Specifications DimensionsMinimum installation requirements Wall mount installation975 1173 1189 1181 960 Wall plate Minimum Ceiling Height mm = f + H + b + 60 + 221+ cCeiling Supported timing for PC input Timing chartSupported timing for Hdmi Hdcp input Horizontal Supported timing for Component-YPbPrinputTiming Supported timing for Video and S-Video inputs Limited warranty Warranty and Copyright informationCopyright Disclaimer