BenQ MX620ST user manual Maintenance

Page 52

4.Disconnect the lamp connector from the

	projector as illustrated.	2
5.	Loosen the screw that secures the lamp.	1
6.	Lift the handle so that it stands up.	3
6.	Lift the handle so that it stands up.

7.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.

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

9.	Tighten the screw that secures the lamp.
10.	Ensure the handle is fully laid flat and locked	1
	in place.	1
11.	Reconnect the lamp connector.	2
• Loose screw may cause a bad connection, which could		3
• Loose screw may cause a bad connection, which could
	result in malfunction.

• Do not over tighten the screw.

52 Maintenance

Image 52

Contents MS619ST/MX620ST/MW621ST 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 batteriesPositioning your projector Choosing a locationFront Table Front CeilingProjection dimensions Obtaining a preferred projected image sizeScreen size Distance from screen mm Diagonal LengthMW621ST Connection ConnectionConnecting video source devices Connecting audioTerminal name Terminal appearance BestOperation Starting up the projectorAdjusting the projected image Adjusting the projection angleAuto-adjusting the image Fine-tuning the image size and clarityCorrecting keystone Using the menus Below is the overview of the OSD menuUsing a security cable lock Utilizing the password functionSetting a password Highlight Change Security Settings and press MODE/ENTEREntering the password recall procedure If you forget the passwordChanging the password Switching input signal Disabling the password functionMagnifying and searching for details Changing Color SpaceSelecting the aspect ratio About the aspect ratio MS619ST/ MW621STUsing 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 environmentAdjusting the sound Using the test patternAdjusting the sound level 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 projectorMenu system Menu operationMain menu Sub-menu Options Basic Advanced Description of each menu Teaching Template Description Apply 3D Settings3D Sync Invert Picture menu Function Description Picture Mode TemperatureReference ModeFine Tuning 3D Color Reset PictureSettings Quick Auto TimerSystem Setup Basic menu Function Description OperationRemote ReceiverSystem Setup Advanced menu Function Description High AltitudeAudio LampReset All StandbyNetwork CurrentMaintenance Care of the projectorGetting to know the lamp hour Lamp informationExtending lamp life Timing of replacing the lamp Status MessageReplacing the lamp Maintenance Resetting the lamp timer Indicators Light Status & Description Power eventsLamp events Thermal eventsTroubleshooting Specifications Projector specificationsDimensions Ceiling mount installationTiming chart Supported timing for PC inputSupported timing for Hdmi Hdcp input KHzSupported timing for Component-YPbPrinput TimingSupported timing for Video and S-Video inputs Warranty and Copyright information Limited warrantyCopyright Disclaimer