Mitsubishi Electronics HC6800 user manual Important safeguards, EN-4

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Important safeguards

Important safeguards

Please read all these instructions regarding your projector and retain them for future reference. Follow all warnings and instructions marked on the projector.

1.Read instructions

All the safety and operating instructions should be read before the appliance is operated.

2.Retain instructions

The safety and operating instructions should be retained for future reference.

3.Warnings

All warnings on the appliance and in the operating instructions should be adhered to.

4.Instructions

All operating instructions must be followed.

5.Cleaning

Unplug this projector from the wall outlet before cleaning it. Do not use liquid aerosol cleaners. Use a damp soft cloth for cleaning.

6.Attachments and equipment

Never add any attachments and/or equipment without the approval of the manufacturer as such additions may result in the risk of fire, electric shock or other personal injury.

7.Water and moisture

Do not use this projector near water or in contact with water.

8.Accessories

Do not place this projector on an unstable cart, stand, tripod, bracket or table. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the projector. Any mounting of the appliance should follow

the manufacturer’s instructions and should use a mounting accessory recommended by the manufacturer.

An appliance and cart combination should be moved with care. Quick stops, excessive force and uneven surfaces may cause the appliance and cart combination to overturn.

9.Ventilation

Slots and openings in the cabinet are provided for ventilation, ensuring reliable operation of the projector and to protect it from overheating. Do not block these openings or allow them to be blocked by placing the projector on a bed, sofa, rug, or bookcase. Ensure that there is adequate ventilation and that the manufacturer’s instructions have been adhered to.

10.Power sources

This projector should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power, please consult your appliance dealer or local power company.

11.Power-cord protection

Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them. Pay particular attention to cords at plugs, convenience receptacles, and points where they exit from the appliance. Do not put the power cord under a carpet.

12.Overloading

Do not overload wall outlets and extension cords as this can result in a fire or electric shock.

13.Objects and liquids

Never push objects of any kind through openings of this projector as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid of any kind on the projector.

14.Servicing

Do not attempt to service this projector by yourself. Refer all servicing to qualified service personnel.

15.Damage requiring service

Unplug this projector from the wall outlet and refer servicing to qualified service personnel under the following conditions:

(a)If the power-supply cord or plug is damaged.

(b)If liquid has been spilled, or objects have fallen into the projector.

(c)If the projector does not operate normally after you follow the operating instructions. Adjust only those controls that are covered by the operating instructions. An improper adjustment of other controls may result in damage and may often require extensive work by a qualified technician to restore the projector to its normal operation.

(d)If the projector has been exposed to rain or water.

(e)If the projector has been dropped or the cabinet has been damaged.

(f)If the projector exhibits a distinct change in performance - this indicates a need for service.

16.Replacement parts

When replacement parts are required, be sure that the service technician has used replacement parts specified by the manufacturer or parts having the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock or other hazards.

17.Safety check

Upon completion of any service or repair to this projector, ask the service technician to perform safety checks determining that the projector is in a safe operating condition.

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Contents MODEL HC6800HC6800 LCD PROJECTORSHOCK, DO NOT REMOVE COVER OR BACK NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNELTHE PROJECTOR IS IN THE POWER ON MODE CAUTION TO REDUCE THE RISK OF ELECTRICContents Trademark, Registered trademarkImportant safeguards EN-4Important safeguards continued Do not keep using the damaged projectorDo not look into the lens when it is operating Do not unplug the power cord during operationInserting the batteries into the remote control Checking accessoriesPreparing your projector Indicator area Preparing your projector continuedOverview Attaching the lens capRemote control Using the picture quality adjusting buttonsBottom side Adjustment feetUsing the remote control Operational range of the remote controlReception angle Front of projectorSetting up your projector Setting up the screenWhen the aspect ratio of the screen is Screen size and projection distanceSetting up your projector continued When the aspect ratio of the screen is 2.351 CinemaScopeScreen size and projection distance continued When the aspect ratio of the image isAdjusting the position of the projected image When fine streaks are seen on projected imagesWhen projected images are distorted to a trapezoid Correcting skewed or distorted imageTRIGGER terminal Front projection, ceiling mountingRear projection A. Connecting the projector to video equipment Viewing video imagesBasic home theater system connection PreparationConnecting to a video player, etc Connecting to a DVD player or HDTV decoderViewing video images continued When a TV tuner or VCR is connectedEN-16 Connecting to video equipment having a HDMI terminalConnection for video equipment having an HDMI terminal B. Plugging in the power cord EN-17C. Projecting images EN-18To stop projecting EN-19Setting the aspect ratio EN-20With the remote control How to change the settingsWith the FEATURE menu See page 26 for menu setting A. Connecting the projector to a computer B. Plugging the power cordViewing computer images About DDCViewing computer images continued When connecting to a notebook computer Setting of the resolutionAUTO POSITION button Example of the setting procedure for external outputMenu operation EN-25How to set the menus Available settings in the menusMenu operation continued 1. IMAGE menu2. INSTALLATION menu EN-273. FEATURE menu EN-28EN-29 4. SIGNAL menu5. USER menu AV memory To store the settingsTo enable the stored image quality settings 6. INFORMATION menuAdjusting projected images To adjust the brightness CONTRAST and BRIGHTNESSTo adjust the color COLOR and TINT To sharpen or soften the projected image SHARPNESSAdjusting projected images continued To adjust the tone of white COLOR TEMPTo adjust the tone of white To customize the color temperature About color temperatureTo adjust the ratio of change in brightness GAMMA MODE Noise reductionTo enable the stored gamma mode TRNR temporal recursive noise reductionHow to adjust the image supplied from the computer using the menu LPF Progressive filterSimple method to adjust the image position To adjust the horizontal positionAdvanced features Password functionTo enable the password function To cancel the password functionInterval of lamp replacement Replacing the lampTo replace the lamp Replacing the lamp continuedReset of the lamp operation time When removing the lamp from the ceiling-mounted projector EN-38Cleaning of the projector and the ventilation slots Cleaning of the lensEN-39 For the air-filter whiteTroubleshooting ProblemSolution EN-40No image appears on the screen. continued Troubleshooting continuedImages are not displayed correctly Images are not displayed correctly. continued OthersNormal condition IndicatorsAbnormal condition Specifications Dimension drawings unit mmSpecification of RGB signals in each computer mode of the projector Specifications continuedEN-45 Replacement part option/not included in the box ConnectorsEN-46 MITSUBISHI ELECTRIC CORPORATION 1 Zusho Baba, Nagaokakyo-City, Kyoto Japan