Mitsubishi Electronics MH2850U user manual Replacing the lamp, To replace the lamp

Page 39

Replacing the lamp (continued)

To replace the lamp:

(b)1. Unplug the power cord.

2.Loosen the screw (a) using a Phillips screwdriver (+), and remove the lamp cover (b).

3.Loosen the screws (c) using a Phillips screwdriver (+).

4.Pull the handle.

(a)

5. Pull out the lamp box by the handle while holding the

 

projector.

 

• Pull the lamp box out of the projector slowly. If it is

 

pulled out quickly, the lamp may break scattering glass

(c)

fragments.

• Do not spill liquid on the removed lamp box or do not

 

 

place it near any flammable object or where children

 

can reach to prevent injury or fire.

(c)

(a)

Important:

6.Load a new lamp box securely into the projector in the right orientation.

7.Put the handle back to the original position.

• Make sure that the handle is locked.

8.Tighten up the screws (c) using a Phillips screwdriver (+).

9.Tighten up the screw (a) using a Phillips screwdriver (+) to secure the lamp cover.

Reset of the lamp operation time

Plug in the power cord and reset the lamp operation time by holding down the W, X, and POWER buttons on the control panel at the same time about three seconds.

•Unless these 3 buttons are pressed at the same time, the lamp operation time isn’t reset.

•Make sure that the STATUS indicator is lit twice and the lamp operation time is reset successfully.

•The projector doesn’t turn on if the lamp cover isn’t attached securely.

•Be sure to reset the lamp operation time whenever you replace the lamp.

•Do not reset the lamp operation time unless you replace the lamp.

When removing the lamp from the ceiling-mounted projector

When removing the lamp from the ceiling-mounted projector, use the lamp replacement tray packed with the projector or option lamp to prevent glass fragments from scattering.

•Assemble the lamp replacement tray according to the procedure shown on it.

1.Follow steps 1 to 4 shown above.

2.Attach the lamp replacement tray to the projector as shown

Tape

 

in the figure.

3.

Secure the lamp replacement tray on the projector using

 

 

 

the tape packed with the tray.

 

4

Pull out the lamp box by the handle while holding the

 

 

projector.

 

 

• Hold the lamp replacement tray to prevent glass

 

 

fragments from scattering.

 

 

• Don’t put the lamp directly on the lamp replacement

 

 

tray because it may fall.

 

5.

Detach the lamp replacement tray together with the

 

 

removed lamp.

Important:

• The lamp is fragile. If it is broken, be careful not to cut yourself with glass fragments.

Caution:

•This projector uses a lamp that contains mercury. Disposal of the lamp or the projector with the lamp may be regulated due to environmental considerations. For disposal or recycling information, please contact your local authorities or the Electronic Industries Alliance: www.eiae.org. (For the U.S. only.)

EN-39

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Contents MH2850 Risk of Electric Shock Do not Open When using the projector in EuropeContents Important safeguards Important safeguards Preparing your projector Checking accessoriesInserting the batteries into the remote control Removing the batteries from the remote controlTerminal board Preparating your projectorOverview Control areaRemote control Bottom sideAbout the laser beam Front of projector Rear of projector Using the remote controlOperational range of the remote control Reception angleSetting up your projector Rear projection Setting up your projectorWall screen Front projection, ceiling mountingScreen size and projection distance When the aspect ratio of the screen isViewing computer images Connecting the projector to a computerPlugging the power cord Viewing computer imagesAbout DDC Projecting images AV mute When connecting to a notebook computerSetting of the resolution To stop projectingViewing video images Connecting the projector to video equipmentConnecting to a video player, etc When a TV tuner or VCR is connectedProjector + DVD player or Hdtv decoder Plugging in the power cordConnecting to video equipment having a DVI-D terminal Viewing video imagesEN-19 Volume from the speaker With the Feature menu Setting the aspect ratioHow to change the settings With the remote controlBlue Base Tone Enhancer Menu operationHow to set the menus Available settings in the menusMenu operation Installation menu Feature menu Signal Resolution Memorize menu Signal User menu Signal menuInformation menu Adjusting projected images Gamma mode Adjusting projected imagesAbout color temperature To enable the stored color temperatureEN-30 LPF Progressive filter To adjust the vertical positionSetting of the image displayed during startup or muting Advanced featuresTo cancel the password function Advanced featuresPassword function To enable the password functionExpand Picture in Picture PinPStill PageUp button Mouse remote controlProjector + computer with USB connector OperationSupervising and controlling by computer Major functionsConnection Condition IndicatorsNormal condition Abnormal conditionInterval of lamp replacement Operation time is resetReplacing the lamp To replace the lamp Reset of the lamp operation timeWhen removing the lamp from the ceiling-mounted projector Replacing the lampCleaning of the lens MaintenanceCleaning of the air-filter Cleaning of the projector and the ventilation slotsNo image appears on the screen Problem Solution TroubleshootingImages are not displayed correctly Problem Solution TroubleshootingKensington Lock Others Problem SolutionSpecifications Replacement part option/not included in the boxXGA85 SpecificationsConnectors Dimension Drawings unit mmCOMPUTER/COMPONENT Video IN-1/IN-2 Mitsubishi Electric Corporation
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MH2850, MH2850U specifications

The Mitsubishi Electronics MH2850U is a standout model in the projector market, designed to cater to both professional and educational environments. Its impressive set of features and advanced technologies make it a versatile tool for presentations, lectures, and even home entertainment. This projector is known for its high performance and reliability, making it a preferred choice among users.

One of the key features of the MH2850U is its native WUXGA resolution (1920 x 1200 pixels), which provides exceptional clarity and sharpness. This resolution is particularly beneficial for displaying detailed visuals, graphs, and charts, making it ideal for business presentations and educational purposes. The projector's brightness level, rated at 2,850 lumens, ensures that images remain vibrant even in well-lit environments. Users can expect sharp and vivid visuals, regardless of lighting conditions.

The MH2850U also employs advanced DLP (Digital Light Processing) technology, which enhances color accuracy and image quality. DLP projectors are known for their reliability and low maintenance needs, which adds to the MH2850U's appeal. Coupled with a high contrast ratio, the projector delivers deeper blacks and brighter whites, elevating the viewing experience significantly.

Connectivity options are another strong point of the MH2850U. It includes multiple HDMI ports, allowing users to connect various devices such as laptops, Blu-ray players, and streaming devices easily. Additionally, it features USB and VGA ports, providing flexibility for different multimedia applications.

The projector also supports a range of image adjustment features, including keystone correction and lens shift capabilities. These features ensure that users can effortlessly set up their presentations without the hassle of complicated adjustments. Furthermore, the auto power-off function contributes to energy efficiency, turning the projector off when it's not in use.

In terms of portability, the MH2850U is designed with user convenience in mind. Its lightweight and compact design make it easy to transport, making it an excellent choice for on-the-go professionals or educators who frequently travel between locations.

Overall, the Mitsubishi Electronics MH2850U stands out due to its combination of high resolution, brightness, connectivity, and versatility. Whether used in a classroom, conference room, or at home, this projector delivers excellent performance, making it a worthy investment for anyone in need of high-quality projection solutions.
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