BenQ MW721, MX720 manual Replacing the lamp

Page 51

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

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Contents MX720/MW721 Digital Projector 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 viewProjector Controls and functionsRemote control Replacing the remote control batteries Remote control effective rangeFront Ceiling Positioning your projectorChoosing a location Front TableMX720 Obtaining a preferred projected image sizeMW721 Connection ConnectionConnecting video source devices Connecting audioPlaying sound through the projector Audio output port About the microphone inputStarting up the projector OperationFine-tuning the image clarity Adjusting the projected imageAdjusting the projection angle Auto-adjusting the imageCorrecting keystone Below is the overview of the OSD menu Using the menusIf you forget the password Using a security cable lockUtilizing the password function Setting a passwordEntering the password recall procedure Changing the passwordDisabling the password function Changing Color Space Switching input signalSelecting the aspect ratio Magnifying and searching for detailsMX720 MW721 About the aspect ratioGo to the Picture Picture Mode menu Using Wall ColorSelecting a picture mode Setting the User 1/User 2 modeFine-tuning the image quality in user modes Adjusting Brilliant ColorSelecting a Color Temperature 3D Color Management Setting a preferred color temperatureSetting the presentation timer Resetting current or all picture modesSelection Description Top-Left Bottom-Left Top-Right Bottom-Right To cancel the timer, perform the following stepsRemote paging operations Freezing the imageOperating in a high altitude environment To activate the High Altitude ModeHiding the image Locking control keysAdjusting the sound Using the test patternTurning off the Power On/Off Ring Tone To select Blackboard or Whiteboard Using the teaching templatesShutting down the projector Direct power offMenu operation Menu systemMain menu Sub-menu Options Basic Main menu Sub-menu Options System Setup Advanced Operation Description of each menu Fine Tuning 3D Color Picture menu Function Description Picture ModeTemperature Color TemperatureSearch TimerInstallation SettingsReceiver System Setup Basic menu Function DescriptionOperation RemoteLamp System Setup Advanced menu Function Description HighAltitude AudioNetwork System Setup Advanced menu Function DescriptionReset All StandbyCurrent SystemStatus Care of the projector MaintenanceLamp information Getting to know the lamp hourExtending lamp life Status Message Timing of replacing the lampReplacing the lamp Connect the power and restart the projector Resetting the lamp timer Thermal events IndicatorsLight Status & Description Power events Lamp eventsTroubleshooting Projector specifications SpecificationsCeiling mount installation DimensionsTiming chart Supported timing for PC inputKHz Supported timing for Hdmi Hdcp input Supported timing for Component-YP bP r input Supported timing for Video and S-Video inputsTiming Disclaimer Warranty and Copyright informationLimited warranty Copyright
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MW721, MX720 specifications

The BenQ MX720 and MW721 are two versatile projectors designed to meet the demands of educational and corporate environments, providing high performance and remarkable features that enhance presentations and classroom interactions.

Starting with the BenQ MX720, this projector boasts a maximum brightness of 4000 ANSI lumens, ensuring that images remain clear and vibrant even in well-lit rooms. Its native XGA (1024x768) resolution is complemented by a high contrast ratio of 13,000:1, which produces crisp images and detailed visuals. The MX720 employs DLP technology, known for its reliability and color accuracy, making it an ideal choice for presentations that require excellent image quality.

The MX720 also features a range of connectivity options, including HDMI, VGA, and USB ports, enabling users to easily connect various devices such as laptops, document cameras, and media players. With a 1.1x optical zoom lens, the projector allows flexible installation and easy adjustments to image size, ensuring that users can achieve the perfect projection for any setting.

On the other hand, the BenQ MW721 offers a higher resolution of WXGA (1280x800), making it suitable for displaying widescreen content. This projector also provides an impressive brightness level of 4000 ANSI lumens and a similar high contrast ratio of 13,000:1, ensuring excellent image quality across different lighting conditions. The DLP technology used in the MW721 contributes to sharp visuals and vibrant colors, making it a great option for movies, presentations, and detailed graphics.

Both projectors incorporate features like SmartEco technology, which adjusts lamp power dynamically to extend the lamp life while reducing energy consumption. This smart management prolongs the lifespan of the lamp to up to 10,000 hours, resulting in cost savings over time.

In addition, both models come equipped with 3D support, providing an immersive experience that can be leveraged for educational purposes or engaging presentations. The intuitive user interface of the projectors also simplifies setup and operation, allowing educators and professionals to focus more on their content and less on technology.

In summary, the BenQ MX720 and MW721 are powerful projectors that deliver exceptional image quality, versatility in connectivity, and advanced technologies. They cater to a wide range of environments, making them ideal tools for both education and professional presentations. Their combination of performance, reliability, and user-friendly features ensures that they meet the needs of modern users effectively.
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