Mitsubishi Electronics MH2850U user manual Replacing the lamp, Interval of lamp replacement

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Replacing the lamp

This projector is equipped with a lamp to project images. This lamp is a consumable. It may burn out or its brightness may decrease during use. In such cases, replace the lamp with a new one as soon as possible. Be sure to replace the lamp with a new lamp separately sold that is exclusive to this projector. Contact your dealer for purchase of the lamp.

Spare lamp VLT-XL650LP

Warning:

•Be careful not to drop the lamp fixing screws into the inside of the projector. Don’t put a metal piece or flammable object into the projector. Using the projector with any foreign object present inside may result in electric shock or fire. When you can’t remove the foreign object from the inside, contact your dealer for removal.

•Be sure to install the lamp securely. When the lamp isn’t installed properly, it won’t illuminate. Improper installation may also result in fire.

•Don’t shake the removed lamp or don’t lift it above your face. You may be injured in your eye by flying or falling glass fragments.

•Don’t replace the lamp immediately after use because the lamp cover is very hot. You may get burned. Turn off the power using the POWER button. After the lamp goes out, wait about 2 minutes until the intake and exhaust fans for cooling the lamp stop rotating. Then unplug the power cord, and wait at least 1 hour to allow the lamp to cool down enough to the touch.

•Do not touch the lamp directly. It may break and cause injury or burn.

Interval of lamp replacement

The recommended interval of lamp replacement is about 5000 hours*1*2 of consecutive use. Such interval differs depending on the operating environment and may be shorter than 5000 hours*1*2. Decrease in luminescence and/or color brightness indicates that the lamp needs to be replaced. When the lamp operation time exceeds 3750 hours*1, the indicator will blink alternately between green and red (while the lamp is lit; when the lamp is not lit, the indicator will be lit red only) and the lamp replacement message will appear on the screen for 1 minute everytime the lamp is turned on. When the lamp has been used for about 4750 hours*1, the replacement message (LAMP EXCHANGE)

will appear on the screen for 1 minute every 25 hours*1 thereafter. When the lamp operation time exceeds 5000 hours*1*2, the projector automatically shuts off and can’t be used until the lamp is replaced and the lamp

operation time is reset.

*1: Duration when LAMP MODE of the INSTALLATION menu is set to LOW. When it is set to STANDARD, this duration will be shorted.

*2: When LAMP MODE is set to STANDARD, this duration will be shorted to 2000 hours.

Caution:

•Don’t remove the lamp for any purpose other than replacement. Unnecessary removal of the lamp may result in a breakdown.

•This projector uses a high-pressure mercury lamp as the light source. The high-pressure mercury lamp may explode or fail to illuminate permanently because of an impact, scratch, or deterioration through use. The period of time until explosion or permanent failure to illuminate varies considerably from lamp to lamp, depending on operation conditions. Therefore, the lamp may explode soon after the start of use.

•The possibility of explosion of the lamp increases if you use it beyond its replacement period. When the instruction of lamp replacement appears, replace it with a new one immediately even if the lamp is still lighting normally.

•When the high-pressure mercury lamp explodes, glass fragments will scatter inside or outside the lamp box and the gas charged inside the lamp will diffuse inside or outside the projector. The gas inside the lamp contains mercury. Be careful not to breathe it or avoid it from entering your eye or mouth. If you should breathe it or if it should enter your eye or mouth, see a doctor immediately.

•In the event that the high-pressure mercury lamp exploded, glass fragments may have been scattered inside the projector. Ask your dealer to replace the lamp and to inspect the inside of the projector. When you clean or replace the lamp by yourself, be sure to hold the handle of the lamp. You may get injured by glass fragments.

•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.

•Be sure to use the lamp exclusive to this projector, VLT-XL650LP. Use of other lamps may cause a failure of the projector.

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Contents MH2850 When using the projector in Europe Risk of Electric Shock Do not OpenContents Important safeguards Important safeguards Removing the batteries from the remote control Checking accessoriesInserting the batteries into the remote control Preparing your projectorControl area Preparating your projectorOverview Terminal boardAbout the laser beam Remote controlBottom side Reception angle Using the remote controlOperational range of the remote control Front of projector Rear of projectorSetting up your projector Front projection, ceiling mounting Setting up your projectorWall screen Rear projectionWhen the aspect ratio of the screen is Screen size and projection distanceConnecting the projector to a computer Viewing computer imagesAbout DDC Plugging the power cordViewing computer images Projecting images To stop projecting When connecting to a notebook computerSetting of the resolution AV muteWhen a TV tuner or VCR is connected Connecting the projector to video equipmentConnecting to a video player, etc Viewing video imagesViewing video images Plugging in the power cordConnecting to video equipment having a DVI-D terminal Projector + DVD player or Hdtv decoderEN-19 Volume from the speaker With the remote control Setting the aspect ratioHow to change the settings With the Feature menuMenu operation Blue Base Tone EnhancerMenu operation How to set the menusAvailable settings in the menus Installation menu Feature menu Signal menu Signal Resolution Memorize menu Signal User menuInformation menu Adjusting projected images To enable the stored color temperature Adjusting projected imagesAbout color temperature Gamma modeEN-30 To adjust the vertical position LPF Progressive filterAdvanced features Setting of the image displayed during startup or mutingTo enable the password function Advanced featuresPassword function To cancel the password functionStill ExpandPicture in Picture PinP Operation Mouse remote controlProjector + computer with USB connector PageUp buttonConnection Supervising and controlling by computerMajor functions Abnormal condition IndicatorsNormal condition ConditionReplacing the lamp Interval of lamp replacementOperation time is reset Replacing the lamp Reset of the lamp operation timeWhen removing the lamp from the ceiling-mounted projector To replace the lampCleaning of the projector and the ventilation slots MaintenanceCleaning of the air-filter Cleaning of the lensTroubleshooting No image appears on the screen Problem SolutionTroubleshooting Images are not displayed correctly Problem SolutionOthers Problem Solution Kensington LockReplacement part option/not included in the box SpecificationsSpecifications XGA85COMPUTER/COMPONENT Video IN-1/IN-2 ConnectorsDimension Drawings unit mm 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.

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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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