Mitsubishi Electronics HC7800DW user manual Reset of the lamp operation time

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Replacing the lamp (continued)

4.Insert two lugs of the lamp replacement attachment into the slits (h) in the projector and fix the three taping portions (g) with the tape included in the lamp replacement attachment.

(h)

(g)

5.Pull out the lamp unit (f) in the bag by the handle

(e).

(f)

Reset of the lamp operation time

Plug in the power cord, and reset the lamp operation time by keep pressing the , , and POWER buttons on the control panel at the same time.

Important:

Unless these three 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.

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.)

(e)

6.Remove the tape fixing the lamp replacement attachment, and remove the lamp replacement attachment with the lamp unit remaining in the bag.

Caution:

Pull the lamp unit out of the projector slowly.

If it is pulled out quickly, the lamp may break, scattering glass fragments.

Do not spill liquid on the removed lamp unit or do not place it near any flammable object or where children can reach to prevent injuries or fire.

7.Insert the new lamp unit, and secure it with two screws firmly.

8.Secure the lamp cover with screw (b) back again, and mount the cover (a).

Caution:

Make sure that the lamp cover is secured firmly. Otherwise, the POWER indicator flashes red and green, disallowing the projector to be powered on.

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Contents HC7800D Risk of Electric Shock Do not Open Contents Important safeguards Important safeguards Preparing your projector Inserting the batteries into the remote controlRemoving the batteries from the remote control What’s included in the boxControl panel Preparing your projectorOverview Picture quality selection buttons Remote controlPicture quality adjusting buttons Reception angle Using the remote controlOperational range of the remote control When the aspect ratio of the screen is Setting up your projectorSetting up the screen Screen size and projection distanceWhen the aspect ratio of the image is Setting up your projectorWhen the aspect ratio of the screen is 2.351 CinemaScope When projected images are distorted to a trapezoid Adjusting the position of the projected imageWhen fine streaks are seen on projected images Correcting skewed or distorted imageRear projection Front projection, ceiling mountingTrigger terminal Basic home theater system connection Connecting the projector to video equipmentViewing video images PreparationConnecting to a DVD player or Hdtv decoder Viewing video imagesConnecting to video equipment having a Hdmi terminal Connection for video equipment having an Hdmi terminalPlugging in the power cord Projecting images To stop projecting Setting the aspect ratio ZOOM1 ZOOM2 Stretch ANAMORPHIC1 ANAMORPHIC2How to change the settings With the remote controlViewing computer images Connecting the projector to a computerPlugging the power cord About DDCViewing computer images ComputerExample of the setting procedure for external output When connecting to a notebook computerSetting of the resolution Auto Position buttonInstalling the 3D emitter Viewing 3D images3D images viewing To change the 3D viewing modeViewing 3D images To view 3D imagesEN-27 You can make various settings using the displayed menus Menu operationPress the Menu button How to set the menusMenu operation Menu selection bar is displayedMenu items Image menuScreen Size Setting Function Advanced MenuSetup Auto Vertical LocationInstallation menu Feature menu Signal menu Network menu AV memory Adjusting projected imagesInformation menu To adjust the color Color and Tint Adjusting projected imagesTo adjust the brightness Contrast and Brightness To sharpen or soften the projected image SharpnessTo enable the stored color temperature To adjust the tone of white Color TempAbout color temperature To optically brighten or darken projected images Auto IrisTo use Color Management To adjust the ratio of change in brightness Gamma ModeTo enable the stored gamma mode BLUEMAGENTAREDTo adjust the vertical position LPF Progressive filterTo enable the password function Advanced featuresPassword function To cancel the password functionAdvanced features Major functionsPJLink supported commands ConnectionNetwork password settings Initial network settingsSetting projector name Setting or clearing Dhcp Initial network settingsIP settings IP address settingsDefault gateway settings Initialization of network settingsSubnet mask settings Enabling or disabling the PJLink certificationDhcp How to use network functionGlossary Interval of lamp replacement Replacing the lampWhen the projector is mounted to the ceiling Replacing the lampReset of the lamp operation time Cleaning of the lens MaintenanceCleaning of the projector and the ventilation slots Troubleshooting No image appears on the screen ProblemImages are not displayed correctly Problem Solution TroubleshootingNo image appears on the screen Problem Solution Others Problem Solution EN-55 EN-56 Condition Possible Solution IndicatorsPower Status Condition Normal conditionSpecifications Dimension drawings unit mmSpecifications 3D supported signalsCOMPUTER/COMPONENT Video Hdmi 1, Hdmi ConnectorsReplacement part option/not included in the box VLT-HC7800LPZusho Baba, Nagaokakyo-City, Kyoto Japan