BenQ MX720, MW721 manual Connect the power and restart the projector

Page 52

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.

52 Maintenance

Image 52

Contents

MX720/MW721 Digital Projector 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 ProjectorRemote control Remote control effective range Replacing the remote control batteriesPositioning your projector Choosing a locationFront Table Front CeilingObtaining a preferred projected image size MX720MW721 Connection ConnectionConnecting audio Connecting video source devicesPlaying sound through the projector About the microphone input Audio output portOperation Starting up the projectorAdjusting the projected image Adjusting the projection angleAuto-adjusting the image Fine-tuning the image clarityCorrecting keystone Using the menus Below is the overview of the OSD menuUsing a security cable lock Utilizing the password functionSetting a password If you forget the passwordChanging the password Entering the password recall procedureDisabling the password function Switching input signal Changing Color SpaceMagnifying and searching for details Selecting the aspect ratioAbout the aspect ratio MX720 MW721Using Wall Color Selecting a picture modeSetting 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 Setting a preferred color temperature 3D Color ManagementResetting current or all picture modes Setting the presentation timerSelection Description To cancel the timer, perform the following steps Remote paging operationsFreezing the image Top-Left Bottom-Left Top-Right Bottom-RightTo activate the High Altitude Mode Hiding the imageLocking control keys Operating in a high altitude environmentUsing the test pattern Adjusting the soundTurning off the Power On/Off Ring Tone Using the teaching templates To select Blackboard or WhiteboardDirect power off Shutting down the projectorMenu system Menu operationMain menu Sub-menu Options Basic Main menu Sub-menu Options System Setup Advanced Operation Description of each menu Picture menu Function Description Picture Mode TemperatureColor Temperature Fine Tuning 3D ColorTimer InstallationSettings SearchSystem Setup Basic menu Function Description OperationRemote ReceiverSystem Setup Advanced menu Function Description High AltitudeAudio LampSystem Setup Advanced menu Function Description Reset AllStandby NetworkSystem CurrentStatus Maintenance Care of the projectorGetting to know the lamp hour Lamp informationExtending lamp life Timing of replacing the lamp Status MessageReplacing the lamp Connect the power and restart the projector Resetting the lamp timer Indicators Light Status & Description Power eventsLamp events Thermal eventsTroubleshooting Specifications Projector specificationsDimensions Ceiling mount installationSupported timing for PC input Timing chartKHz Supported timing for Hdmi Hdcp input Supported timing for Video and S-Video inputs Supported timing for Component-YP bP r inputTiming Warranty and Copyright information Limited warrantyCopyright Disclaimer

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