Mitsubishi Electronics HC3900 user manual Correcting skewed or distorted image, To cancel the menu

Page 12

Setting up your projector (continued)

Correcting skewed or distorted image

For the best projection, project images on a flat screen installed at 90 degrees to the floor. If necessary, tilt the projector using the two adjustment feet on the bottom of the projector.

1. Tilt up the projector to the appropriate angle. . Rotate the adjustment feet for fine adjustment.

Screen

Adjustment feet

Important:

Don’t transport the projector with its adjustment feet extended. Otherwise the adjustment feet may be damaged.

When fine streaks are seen on projected images

This is due to interference with the screen surface and is not a malfunction. Replace the screen or displace the focus a little. (See page 18 or 23 for focus adjustment.)

When projected images are distorted to a trapezoid

When the screen and the projector are not placed perpendicularly to each other, projected images become trapezoidal. If you cannot make the projector and the screen perpendicular to each other by mechanical adjustments, adjust keystone.

With the INSTALLATION menu: (See page 26 for menu setting.)

1. Display the INSTALLATION menu.

. Select KEYSTONE by pressing the or button.

. Equalize the widths at the top and bottom of the screen by pressing the t or button, viewing the screen.

To cancel the menu:

4. Press the MENU button several times.

opt.

 

INSTALLATION

AV MEMORY 1

KEYSTONE

0

LAMP MODE

STANDARD

Press the t

Press the

button.

button.

When the keystone adjustment is carried out, the adjustment value is indicated. Note that this value doesn’t mean a projection angle.

The allowable range of the adjustment value in the keystone adjustment varies depending on the installation condition, Input signal and aspect settings in MENU.

When the keystone adjustment takes effect, the resolution decreases. In addition, stripes may appear or straight lines may bend in images with complicated patterns. They are not due to product malfunctions.

When the keystone adjustment is carried out, the image may not be displayed correctly because of the type of input signal.

When the keystone adjustment is performed, the displayed image may be distorted.

Depending on the installation conditions of the projector and the screen, a perfect rectangular image and the proper aspect ratio may not be obtained.

EN-12

Image 12
Contents HC3900 When using the projector in Europe Risk of Electric Shock Do not OpenContents 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 boxPreparing your projector OverviewControl panel Terminal panelRemote control Using the picture quality adjusting buttonsBottom side Using the remote control Operational range of the remote controlReception angle Setting up your projector Setting up the screenWhen the aspect ratio of the screen is Screen size and projection distanceSetting up your projector When the aspect ratio of the screen is 2.351 CinemaScopeWhen the aspect ratio of the image is When fine streaks are seen on projected images When projected images are distorted to a trapezoidWith the Installation menu See page 26 for menu setting To cancel the menuInstallation Front projection, ceiling mountingRear projection Trigger terminalConnecting 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 decoderWhen a TV tuner or VCR is connected 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 controlWith the Feature menu See page 26 for menu setting Connecting the projector to a computer Plugging the power cordViewing computer images About DDCViewing computer images ComputerWhen connecting to a notebook computer Setting of the resolutionExample of the setting procedure for external output Auto Position buttonKeystone Lamp Mode Menu operationHow to set the menus Available settings in the menusSetting Function Menu operationInstallation menu Feature menu Signal menu User menuTo store the settings To enable the stored image quality settingsAV memory Information menuAdjusting projected images To adjust the brightness Contrast and BrightnessTo adjust the color Color and Tint How to Use BrilliantColorTMAdjusting projected images To adjust the tone of white Color TempAbout color temperature To enable the stored color temperatureHow to Use Color Management To adjust the ratio of change in brightness Gamma ModeBlue Magenta RED HighTo enable the stored gamma mode To adjust the vertical positionLPF Progressive filter Advanced 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 lampTo replace the lamp Reset of the lamp operation time Maintenance Cleaning of the projector and the ventilation slotsCleaning of the lens Troubleshooting No image appears on the screen Problem SolutionTroubleshooting Images are not displayed correctly Problem SolutionOthers Problem Solution EN-43 Indicators Status Condition Possible SolutionNormal condition Abnormal conditionSpecifications Dimension drawings unit mmSpecifications Connectors Replacement part option/not included in the boxComputer IN/COMPONENT Video VLT-HC3800LPMitsubishi Electric Corporation