Mitsubishi Electronics HC7900DW user manual To optically brighten or darken projected images Iris

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Adjusting projected images (continued)

To optically brighten or darken projected images (IRIS):

IRIS is a function that controls the lamp light by opening or closing the iris to optically adjust the contrast. This projector is equipped with IRIS which automatically controls the iris according to the images to be projected.

IRIS has four modes as follows.

AUTO 1

When there are white images in an entirely dark scene, black is automatically deepened.

AUTO 2

In comparison with AUTO 1, black is made lighter automatically.

AUTO 3

This mode provides deeper blacks than the other modes.

OFF

The IRIS is kept fully opened.

To change the IRIS mode:

With the remote control:

1.Press the IRIS button.

Every time the IRIS button is pressed, the IRIS mode changes from AUTO 1 to AUTO 2, AUTO 3, to OFF, and back to AUTO 1.

With the IMAGE menu:

(See page 29 for menu setting.)

1.Display the IMAGE menu.

2.Select IRIS by pressing the p or q button.

 

 

 

 

 

 

 

 

IRIS

AUTO 1

 

 

 

 

 

 

 

 

3.Select your desired IRIS mode by pressing the t or u button.

To use BrilliantColor™:

You can enable or disable BrilliantColor™ using the menu.

(See page 29 for menu setting.)

1.Display the ADVANCED MENU from the IMAGE menu.

2.Select BrilliantColor™ by pressing the p or q button.

3.Select ON or OFF by pressing the t or u button.

To cancel the menu:

4. Press the MENU button.

ON

Even in a bright home theater environment, you can view crisp and sharp images. Select ON when you want to view bright images such as when viewing 3D images.

OFF

BrilliantColor™ is disabled and the middle tone is adjusted to natural brightness.

EN-38

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Contents HC7900DW 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 distance Using the remote controlOperational range of the remote control Reception angleWhen 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 imageFront projection, ceiling mounting Rear projectionTrigger terminal Basic home theater system connection Connecting the projector to video equipmentViewing video images 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 Viewing computer images Connecting the projector to a computerPlugging the power cord About DDCViewing computer images Example of the setting procedure for external output When connecting to a notebook computerSetting of the resolution Auto Position buttonUsable 3D glasses and 3D emitter Installing the 3D emitterViewing 3D images 3D images viewingTo convert 2D images to 3D images To stop the signal emitted from the 3D emitter temporarilyViewing 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 menuPicture Menu Reset Setting Function Advanced MenuSetup Auto Screen SizeInstallation menu Feature menu Signal menu Information menu To adjust the color Color and Tint Adjusting projected imagesTo adjust the brightness Contrast With the Image menuAbout color temperature Adjusting projected imagesTo adjust the tone of white Color Temp 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 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 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 Condition Possible Solution IndicatorsPower Status Condition Normal conditionHdmi SpecificationsDimension drawings unit mm Serial3D supported signals SpecificationsSupported input signals COMPUTER/COMPONENT Video Hdmi 1, Hdmi ConnectorsSeparately sold items VLT-HC7800LPZusho Baba, Nagaokakyo-City, Kyoto Japan