BenQ MX722 user 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(s) 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.

3

•

Do not insert your fingers between the lamp and the projector.

The sharp edges inside the projector may cause injuries.

4.Disconnect the lamp connector from the projector as illustrated.

5.Loosen the screw that secures the lamp.

6.Lift the handle so that it stands up.

5

4 6

Maintenance 51

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Contents MX722 Digital Projector Table of contents Safety Instructions Important safety instructionsSafety Instructions 3000 m Feet Ceiling mounting the projector Introduction Projector featuresShipping contents Projector exterior view Front/upper sideRear/lower side Projector Controls and functionsRemote control ON/ OFF+/PAGE Test Remote control effective rangeOperating the Laser pointer MuteReplacing the remote control batteries Front Ceiling Positioning your projectorChoosing a location Front TableInch Max Average Projection dimensionsObtaining a preferred projected image size OffsetConnection ConnectionConnecting video source devices Connecting audioPlaying sound through the projector Device About the microphone inputStarting up the projector OperationFine-tuning the image size and clarity Adjusting the projected imageAdjusting the projection angle Auto-adjusting the imageCorrecting keystone Below is the overview of the OSD menu Using the menusHighlight Change Security Settings and press MODE/ENTER Using a security cable lockUtilizing the password function Setting a passwordIf you forget the password Entering the password recall procedureChanging the password Switching input signal Disabling the password functionChanging Color Space Selecting the aspect ratio Magnifying and searching for detailsAbout the aspect ratio Go 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 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 keysUsing the test pattern Adjusting the soundUsing the teaching templates Shutting down the projector Direct power offWall Color Menu operationMenu system Main menu Sub-menu Options12 hr System Setup BasicSleep Timer Min/30 minMain menu Sub-menu Options System Setup Advanced StatusIP Address Current System Status Description of each menu Fine Tuning 3D Color Picture ModeTemperature Color TemperatureColor Space TimerInstallation SearchRemote System Setup Basic menFunction Description OperationLamp System Setup Advanced menu Function Description HighAltitude AudioNetwork System Setup Advanced menu Function DescriptionReset All StandbyStatus Information menu Function DescriptionCurrent SystemCare of the projector MaintenanceGetting to know the lamp hour Setting Lamp Mode as EconomicSetting Auto Power Off Lamp informationStatus 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 Resolution Mode Frequency KHz MHzTiming Supported timing for Component-YPbPrinputSupported timing for Video and S-Video inputs Disclaimer Warranty and Copyright informationLimited warranty Copyright
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MX722 specifications

The BenQ MX722 is a highly versatile and feature-rich projector designed for both educational and professional environments. With its advanced technologies and user-friendly features, it delivers exceptional performance and reliability.

One of the standout features of the BenQ MX722 is its impressive brightness of 4000 ANSI lumens. This high level of brightness ensures that presentations and videos are clear and vibrant, even in well-lit rooms. Coupled with a native XGA resolution of 1024x768 pixels, the projector produces sharp images with excellent detail, making it ideal for showcasing detailed content.

The MX722 utilizes DLP technology, which enhances image quality and reliability. DLP projectors are known for their ability to produce consistent color and contrast, which is vital for maintaining viewer engagement during presentations. The projector's 15,000:1 contrast ratio further enhances image quality by providing deeper blacks and brighter whites, ensuring that visuals are striking and impactful.

In terms of connectivity, the BenQ MX722 is equipped with a comprehensive range of ports, including HDMI, USB, and VGA inputs. This diverse range of connection options allows users to easily connect various devices, from laptops to media players, without the need for additional adapters. The projector also features a built-in speaker, which enhances the audio experience during presentations without requiring external sound systems.

User-friendliness is another hallmark of the MX722. The projector is designed with a simple interface, making it easy to navigate settings and adjust parameters. It also features an automatic vertical keystone correction function, which helps to maintain image integrity even when the projector is not perfectly aligned with the screen.

In addition to its performance features, the BenQ MX722 is designed with energy efficiency in mind. It incorporates eco-friendly technologies that reduce power consumption, making it a cost-effective option for long-term use. The projector also has a long lamp life of up to 10,000 hours in Eco Mode, which minimizes maintenance costs and downtime.

Overall, the BenQ MX722 stands out as a reliable and high-performing projector suited for various professional and educational needs. With its robust features, impressive image quality, and user-friendly design, it provides an exceptional tool for presentations, lectures, and multimedia sharing.
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