BenQ MW82IST user manual Replacing the lamp

Page 49

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.

•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.

5.

Lift the handle so that it stands up.

1

2

Maintenance 49

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Contents MW821ST Table of contents Safety Instructions Important safety instructionsSafety Instructions 3000 m Feet Ceiling mounting the projector Introduction Projector featuresShipping contents Front/upper side Rear/lower side Projector exterior viewControls and functions Remote control Replacing the remote control batteries Remote control effective rangeChoosing a location Positioning your projectorFront Table Front CeilingObtaining a preferred projected image size Projection dimensionsConnection ConnectionConnecting audio Connecting video source devicesPlaying sound through the projector Device About the microphone inputStarting up the projector OperationAdjusting the projection angle Adjusting the projected imageAuto-adjusting the image Fine-tuning the image clarityCorrecting keystone Below is the overview of the OSD menu Using the menusUtilizing the password function Using a security cable lockSetting a password If you forget the passwordChanging the password Entering the password recall procedureDisabling the password function Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsAbout the aspect ratio Selecting a picture mode Using Wall ColorSetting the User 1/User 2 mode Go to the Picture Picture Mode menuAdjusting Brilliant Color Fine-tuning the image quality in user modesSelecting a Color Temperature 3D Color Management Setting a preferred color temperatureResetting current or all picture modes Setting the presentation timerSelection Description Remote paging operations To cancel the timer, perform the following stepsFreezing the image Top-Left Bottom-Left Top-Right Bottom-RightHiding the image To activate the High Altitude ModeLocking control keys Operating in a high altitude environmentUsing the test pattern Adjusting the soundTurning off the Power On/Off Ring Tone To select Blackboard or Whiteboard Using the teaching templatesShutting down the projector Direct power offMenu system Menu operationMain menu Sub-menu Options Basic Sleep Timer Disable/30 min/1 hr/2 hr/3 hr/4 Hr/8 hr/12 hrBottom-Right/Bottom-Left Min/25 min/30 minEquivalent Lamp Hour Main menu Sub-menu Options System Setup AdvancedIP Address Color SystemDescription of each menu Temperature Picture ModeColor Temperature Fine Tuning 3D ColorInstallation TimerSettings SearchOperation System Setup Basic menu Function DescriptionRemote ReceiverAltitude System Setup Advanced menu Function Description HighAudio LampReset All System Setup Advanced menu Function DescriptionStandby NetworkSystem CurrentStatus Care of the projector MaintenanceGetting to know the lamp hour Lamp informationExtending lamp life Status Message Timing of replacing the lampReplacing the lamp Connect the power and restart the projector Resetting the lamp timer Light Status & Description Power events IndicatorsLamp events Thermal eventsTroubleshooting Projector specifications SpecificationsWall mount installation DimensionsWall plate Minimum Ceiling Height mm = f + H + b + 60 + 274+ cSupported timing for PC input Timing chartKHz Supported timing for Hdmi Hdcp inputSupported timing for Video and S-Video inputs Supported timing for Component-YP bP r inputTiming Limited warranty Warranty and Copyright informationCopyright Disclaimer