BenQ MW82IST user manual Connect the power and restart the projector

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6. Use the handle to slowly pull the lamp out of the projector.

• Pulling it too quickly may cause the lamp to break and scatter broken glass in the projector.

• Do not place the lamp in locations where water might splash on it, children can reach it, or near flammable materials.

•Do not insert your hands into the projector after the lamp is removed. If you touch the optical components inside, it could cause color unevenness and distortion of the projected images.

7. As shown in the figure, lower the new lamp.

8.Tighten the screw that secures the lamp.

	9.	Ensure the handle is fully laid flat and locked	1
		in place.	1
		in place.
	• Loose screw may cause a bad connection, which could
		result in malfunction.	2
	• Do not over tighten the screw.		2
	• Do not over tighten the screw.

10.Replace the lamp cover on the projector.

11.Tighten the screw that secures the lamp cover.

• Loose screw may cause a bad connection, which could result in malfunction.

• Do not over tighten the screw.

12.Connect the power and restart the projector.

Do not turn the power on with the lamp cover removed.

50 Maintenance

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Contents MW821ST Table of contents Important safety instructions Safety InstructionsSafety Instructions 3000 m Feet Ceiling mounting the projector Projector features IntroductionShipping contents Projector exterior view Front/upper side Rear/lower sideControls and functions Remote control Remote control effective range Replacing the remote control batteriesFront Table Positioning your projectorChoosing a location Front CeilingProjection dimensions Obtaining a preferred projected image sizeConnection ConnectionPlaying sound through the projector Connecting video source devicesConnecting audio About the microphone input DeviceOperation Starting up the projectorAuto-adjusting the image Adjusting the projected imageAdjusting the projection angle Fine-tuning the image 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 Setting 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 environmentTurning off the Power On/Off Ring Tone Adjusting the soundUsing the test pattern Using the teaching templates To select Blackboard or WhiteboardDirect power off Shutting down the projectorMain menu Sub-menu Options Menu operationMenu system Bottom-Right/Bottom-Left Sleep Timer Disable/30 min/1 hr/2 hr/3 hr/4 Hr/8 hr/12 hrBasic Min/25 min/30 minIP Address Main menu Sub-menu Options System Setup AdvancedEquivalent Lamp Hour Color SystemDescription 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 Connect the power and restart the projector Resetting the lamp timer Lamp events IndicatorsLight Status & Description Power events Thermal eventsTroubleshooting Specifications Projector specificationsDimensions Wall mount installationMinimum Ceiling Height mm = f + H + b + 60 + 274+ c Wall plateTiming chart Supported timing for PC inputSupported timing for Hdmi Hdcp input KHzTiming Supported timing for Component-YP bP r inputSupported timing for Video and S-Video inputs Copyright Warranty and Copyright informationLimited warranty Disclaimer