Mitsubishi Electronics HC6800 user manual Important safeguards continued, Never remove the cabinet

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Important safeguards (continued)

Important safeguards (continued)

WARNING:

Unplug immediately if there is something wrong with your projector.

Do not operate if smoke, strange noise or odor comes out of your projector. It might cause fire or electric shock. In this case, unplug immediately and contact your dealer.

Never remove the cabinet.

This projector contains high voltage circuitry. An inadvertent contact may result in an electric shock. Except as specifically explained in the User Manual do not attempt to service this product by yourself. Please contact your dealer when you want to fix, adjust or inspect the projector.

Do not modify this equipment.

It can lead to fire or electric shock.

Do not keep using the damaged projector.

If the projector is dropped and the cabinet is damaged, unplug the projector and contact your dealer for inspection. It may lead to fire if you keep using the damaged projector.

Do not face the projector lens to the sun.

It can lead to fire.

Use correct voltage.

If you use incorrect voltage, it can lead to fire.

Do not place the projector on uneven surface. Place the projection on a leveled and stable surface only. Please do not place equipment on unstable surfaces.

Do not look into the lens when it is operating.

It may hurt your eyes. Never let children look into the lens when it is on.

Do not unplug the power cord during operation.

It can lead to lamp breakage, fire, electric shock or other trouble. It is best to wait for the fan to turn off before turning the main power off.

Do not touch the air outlet grille and bottom plate, which become hot.

Do not touch them or put other equipment in front of the air outlet grille. The air outlet grille and bottom plate, when heated, may cause injury or damage to

other equipment. Also, do not set the projector on the desk which is easily affected by heat.

Do not look into the air outlet grille when projector is operating.

Heat, dust, etc. may blow out of it and hurt your eyes.

Do not block the air inlet and outlet grilles.

If they are blocked, heat may be generated inside the projector, causing deterioration in the projector quality and fire.

Do not use flammable solvents (benzene, thinner, etc.) and flammable aerosols near the projector. Flammable substances may ignite causing fire or breakdown because the temperature inside the projector rises very high while the lamp is illuminating.

Do not use the projector with condensation on it. It can lead to breakdown or other failure.

Place of installation

For safety’s sake, refrain from setting the projector at any place subjected to high temperature and high humidity. Please maintain an operating temperature, humidity, and altitude as specified below.

Operating temperature: between +41°F (+5°C) and +95°F (+35°C)

Operating humidity: between 30% and 90%

Never put any heat-producing device under the projector so that the projector does not overheat.

Do not attach the projector to a place that is unstable or subjected to vibration.

Do not install the projector near any equipment that produces a strong magnetic field. Also refrain from installing near the projector any cable carrying a large current.

Place the projector on a solid, vibration free surface; otherwise it may fall, causing serious injury to a child or adult, and serious damage to the product.

Do not stand the projector; it may fall, causing serious injury and damage to the projector.

Slanting the projector more than ±10°(right and left) or ±15°(front and rear) may cause trouble or explosion of the lamp.

Do not place the projector near air-conditioning unit, heater, or humidifier to avoid hot or moist air to the exhaust and ventilation hole of the projector.

EN-5

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Contents HC6800 MODELHC6800 LCD PROJECTORREFER SERVICING TO QUALIFIED SERVICE PERSONNEL SHOCK, DO NOT REMOVE COVER OR BACK NO USER-SERVICEABLE PARTS INSIDETHE PROJECTOR IS IN THE POWER ON MODE CAUTION TO REDUCE THE RISK OF ELECTRICTrademark, Registered trademark ContentsEN-4 Important safeguardsDo not keep using the damaged projector Important safeguards continuedDo not look into the lens when it is operating Do not unplug the power cord during operationPreparing your projector Checking accessoriesInserting the batteries into the remote control Preparing your projector continued Indicator areaOverview Attaching the lens capUsing the picture quality adjusting buttons Remote controlBottom side Adjustment feetOperational range of the remote control Using the remote controlReception angle Front of projectorSetting up the screen Setting up your projectorWhen the aspect ratio of the screen is Screen size and projection distanceWhen the aspect ratio of the screen is 2.351 CinemaScope Setting up your projector continuedScreen size and projection distance continued When the aspect ratio of the image isWhen fine streaks are seen on projected images Adjusting the position of the projected imageWhen projected images are distorted to a trapezoid Correcting skewed or distorted imageRear projection Front projection, ceiling mountingTRIGGER terminal Viewing video images A. Connecting the projector to video equipmentBasic home theater system connection PreparationConnecting to a DVD player or HDTV decoder Connecting to a video player, etcViewing video images continued When a TV tuner or VCR is connectedConnection for video equipment having an HDMI terminal Connecting to video equipment having a HDMI terminalEN-16 EN-17 B. Plugging in the power cordEN-18 C. Projecting imagesEN-19 To stop projectingEN-20 Setting the aspect ratioWith the FEATURE menu See page 26 for menu setting How to change the settingsWith the remote control B. Plugging the power cord A. Connecting the projector to a computerViewing computer images About DDCViewing computer images continued Setting of the resolution When connecting to a notebook computerAUTO POSITION button Example of the setting procedure for external outputEN-25 Menu operationAvailable settings in the menus How to set the menusMenu operation continued 1. IMAGE menuEN-27 2. INSTALLATION menuEN-28 3. FEATURE menu5. USER menu 4. SIGNAL menuEN-29 To store the settings AV memoryTo enable the stored image quality settings 6. INFORMATION menuTo adjust the brightness CONTRAST and BRIGHTNESS Adjusting projected imagesTo adjust the color COLOR and TINT To sharpen or soften the projected image SHARPNESSTo adjust the tone of white COLOR TEMP Adjusting projected images continuedTo adjust the tone of white To customize the color temperature About color temperatureNoise reduction To adjust the ratio of change in brightness GAMMA MODETo enable the stored gamma mode TRNR temporal recursive noise reductionLPF Progressive filter How to adjust the image supplied from the computer using the menuSimple method to adjust the image position To adjust the horizontal positionPassword function Advanced featuresTo enable the password function To cancel the password functionReplacing the lamp Interval of lamp replacementReset of the lamp operation time Replacing the lamp continuedTo replace the lamp EN-38 When removing the lamp from the ceiling-mounted projectorCleaning of the lens Cleaning of the projector and the ventilation slotsEN-39 For the air-filter whiteProblem TroubleshootingSolution EN-40Images are not displayed correctly Troubleshooting continuedNo image appears on the screen. continued Others Images are not displayed correctly. continuedAbnormal condition IndicatorsNormal condition Dimension drawings unit mm SpecificationsEN-45 Specifications continuedSpecification of RGB signals in each computer mode of the projector EN-46 ConnectorsReplacement part option/not included in the box 1 Zusho Baba, Nagaokakyo-City, Kyoto Japan MITSUBISHI ELECTRIC CORPORATION