Mitsubishi Electronics HC7900DW user manual Reset of the lamp operation time

Page 44

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.

EN-44

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Contents HC7900DW Risk of Electric Shock Do not Open Contents Important safeguards Important safeguards Inserting the batteries into the remote control Removing the batteries from the remote controlPreparing your projector What’s included in the boxControl panel Preparing your projectorOverview Picture quality selection buttons Remote controlPicture quality adjusting buttons Using the remote control Operational range of the remote controlReception distance Reception angleSetting up your projector Setting up the screenWhen the aspect ratio of the screen is 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 Adjusting 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 imageFront projection, ceiling mounting Rear projectionTrigger terminal Connecting the projector to video equipment Viewing video imagesBasic home theater system connection PreparationConnection for video equipment having an Hdmi terminal Connecting to video equipment having a Hdmi terminalViewing video images Plugging in the power cord Connecting to a DVD player or Hdtv decoderProjecting images To stop projecting Setting the aspect ratio ZOOM1 ZOOM2 Stretch ANAMORPHIC1 ANAMORPHIC2With the Feature menu See page 29 for menu setting How to change the settingsWith the remote control Connecting the projector to a computer Plugging the power cordViewing computer images About DDCViewing computer images When connecting to a notebook computer Setting of the resolutionExample of the setting procedure for external output Auto Position buttonInstalling the 3D emitter Viewing 3D imagesUsable 3D glasses and 3D emitter 3D images viewingTo stop the signal emitted from the 3D emitter temporarily Viewing 3D imagesTo convert 2D images to 3D images With the 3D menuEN-27 You can make various settings using the displayed menus Menu operationPress the  or  button to select a menu to use How to set the menusMenu operation Menu items Image menuSetting Function Advanced Menu Setup AutoPicture Menu Reset Screen SizeInstallation menu Feature menu Signal menu Information menu Adjusting projected images To adjust the brightness ContrastTo adjust the color Color and Tint With the Image menuAdjusting projected images To adjust the tone of white Color TempAbout color temperature To enable the stored color temperatureTo use BrilliantColor To change the Iris mode With the remote controlTo optically brighten or darken projected images Iris To adjust the ratio of change in brightness Gamma Mode To enable the stored gamma modeTo use Color Management BLUEMAGENTAREDTo adjust the vertical position LPF Progressive filterAdvanced features Password functionTo enable the password function To cancel the password functionInterval 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 vents 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-49 EN-50 Indicators Power Status ConditionCondition Possible Solution Normal conditionSpecifications Dimension drawings unit mmHdmi Serial3D supported signals SpecificationsSupported input signals Connectors Separately sold itemsCOMPUTER/COMPONENT Video Hdmi 1, Hdmi VLT-HC7800LPZusho Baba, Nagaokakyo-City, Kyoto Japan