BenQ MX662 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 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.	1
5.	Lift the handle so that it stands up.

2

50 Maintenance

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Contents MX662/MW663 Digital Projector Table of contents Important safety instructions Safety InstructionsSafety Instructions 3000 m Feet Ceiling mounting the projector Projector features IntroductionShipping contents Rear/lower side Projector exterior viewFront/upper side Controls and functions Remote control Remote control effective range Replacing the remote control batteriesFront Table Positioning your projectorChoosing a location Front CeilingMX662 Projection dimensionsObtaining a preferred projected image size Max length Offset InchMW663 Connection ConnectionTerminal name Terminal appearance Connecting video source devicesConnecting audio BestOperation Starting up the projectorAuto-adjusting the image Adjusting the projected imageAdjusting the projection angle Fine-tuning the image size and clarityCorrecting keystone Using the menus Below is the overview of the OSD menuSetting a password Using a security cable lockUtilizing the password function If you forget the passwordDisabling the password function Entering the password recall procedureChanging the password Switching input signal Changing Color SpaceMagnifying and searching for details Selecting the aspect ratioAbout the aspect ratio MX662 MW663Setting the User 1/User 2 mode Using Wall ColorSelecting a picture mode Go to the Picture Picture Mode menuSelecting a Color Temperature Fine-tuning the image quality in user modesAdjusting Brilliant Color Setting a preferred color temperature 3D Color ManagementSelection Description Setting the presentation timerResetting current or all picture modes Freezing the image To cancel the timer, perform the following stepsRemote paging operations Top-Left Bottom-Left Top-Right Bottom-RightLocking control keys To activate the High Altitude ModeHiding the image Operating in a high altitude environmentAdjusting the sound level Adjusting the soundUsing the test pattern Turning off the Power On/Off Ring ToneUsing the teaching templates To select Blackboard or WhiteboardPresenting from a USB Reader Direct power off Shutting down the projectorMain menu Sub-menu Options Menu operationMenu system Basic Advanced Description of each menu Color Temperature Picture ModeTemperature Fine Tuning 3D ColorSettings TimerInstallation SearchRemote System Setup Basic menu Function DescriptionOperation ReceiverAudio System Setup Advanced menu Function Description HighAltitude LampStandby System Setup Advanced menu Function DescriptionReset All NetworkStatus CurrentSystem Maintenance Care of the projectorExtending lamp life Lamp informationGetting to know the lamp hour Timing of replacing the lamp Status MessageReplacing the lamp Resetting the lamp timer Use the handle to slowly pull the lamp out of the projectorMaintenance Lamp events IndicatorsLight Status & Description Power events Thermal eventsTroubleshooting Specifications Projector specificationsDimensions Ceiling mount installationTiming chart Supported timing for PC inputSupported timing for Hdmi Hdcp input KHzPixel Supported timing for Component-YP bP r inputSupported timing for Video and S-Video inputs TimingCopyright Warranty and Copyright informationLimited warranty Disclaimer