Mitsubishi Electronics HC4900 user manual To adjust the vertical position, Lpf

Page 33

Adjusting projected images (continued)

This projector automatically and properly projects video signals supplied from the computer. However, some video signals may not be projected, depending on the type of the computer. In such a case, press the AUTO POSITION button. (See page 23.) When the signal is still not projected properly, adjust the projected image using the SIGNAL menu.

How to adjust the image supplied from the computer using the menu:

Carry out the following procedures according to the symptoms.

Wide strips appear

Adjust TRACKING in the SIGNAL menu.

The projected image flickers.

 

 

 

The projected image is blurred

Adjust FINE SYNC. in the SIGNAL menu.

The projected image is displaced horizontally

Adjust HORIZ.POSITION in the SIGNAL menu. Every time the

 

W button is pressed, the image moves to the right. Every time

 

the X button is pressed, the image moves to the left.

The projected image is displaced vertically

Adjust VERT.POSITION in the SIGNAL menu. Every time the W

 

button is pressed, the image moves down. Every time the X

 

button is pressed, the image moves up.

The top part of the image flags

Change the setting of HOLD in the SIGNAL menu. Select ON

 

,

 

 

 

press the ENTER button, and adjust BEGIN or END to minimize

 

the flagging.

A solid black or solid white appears in the image

Adjust CLAMP POSITION or CLAMP WIDTH in the SIGNAL -

 

USER menu.

The motion doesn’t run smoothly

Adjust VERT. SYNC. in the SIGNAL - USER menu. Select

 

AUTO for normal use.

Noise appears on the right or left half of the image

Adjust SHUTTER(LS) or SHUTTER(RS) in the SIGNAL - USER

 

menu.

Noise appears on the top or bottom part of the image..

Adjust SHUTTER(U) or SHUTTER(L) in the SIGNAL - USER

 

menu.

1.Display the SIGNAL menu.

2.Press the S or T button to select an item to adjust.

3.Adjust the selected item by pressing the W or X button.

To cancel the menu:

4. Press the MENU button.

• Do not change the settings of the SIGNAL menu in normal use.

Simple method to adjust the image position

To adjust the horizontal position:

1.Align the left edge of the image with the left side of the screen by adjusting HORIZ.POSITION. Then, align the right edge of the image with the right side of the screen by adjusting TRACKING.

2.Repeat step 1 above to complete the adjustment of the horizontal position.

To adjust the vertical position:

3. Align the upper edge of the image with the upper side of the screen by adjusting VERT.POSITION.

LPF

You can select whether or not to enable the LPF.

Vertical or horizontal streak noise may appear on the projected image, depending on the type of the DVD player you use. In such a case, you can reduce such streak noise by enabling the LPF. However, projected images become softened slightly.

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Contents HC4900 Risk of Electric Shock Do not Open When using the projector in EuropeContents Important safeguards Important safeguards Checking accessories Inserting the batteries into the remote controlPreparing your projector Overview Preparing your projectorControl area Terminal panelUsing the picture quality adjusting buttons Remote controlAdjustment feet Bottom sideOperational range of the remote control Using the remote controlReception angle Front of projector Rear of projectorSetting up the screen Setting up your projectorBasic setup Adjusting the projection angleFront projection, ceiling mounting Setting up your projectorTrigger terminal Rear projectionWhen the aspect ratio of the screen is When the aspect ratio of the image isScreen size and projection distance Viewing video images Connecting the projector to video equipmentBasic home theater system connection PreparationConnecting to a DVD player or Hdtv decoder Connecting to a video player, etcWhen a TV tuner or VCR is connected Viewing video imagesConnection for video equipment having a DVI-D terminal Connection for video equipment having an Hdmi terminalPlugging in the power cord Projecting images To stop projecting ZOOM1 ZOOM2 Stretch Setting the aspect ratioHow to change the settings With the remote controlWith the Feature menu See page 25 for menu setting Plugging the power cord Connecting the projector to a computerViewing computer images About DDCProjecting images Viewing computer imagesWhen connecting to a notebook computer Example of the setting procedure for external outputAuto Position button Display Input Menu operationAvailable settings in the menus How to set the menusMenu operation Image menuInstallation menu Feature menu User menu Signal menuTo enable the stored image quality settings To store the settingsAV memory Information menuTo adjust the brightness Contrast and Brightness Adjusting projected imagesTo adjust the color Color and Tint To sharpen or soften the projected image SharpnessTo adjust the tone of white Color Temp Adjusting projected imagesAbout color temperature To enable the stored color temperatureTo enable the stored gamma mode To adjust the ratio of change in brightness Gamma ModeHigh MIDLPF To adjust the vertical positionPassword function Advanced featuresTo enable the password function To cancel the password functionReplacing the lamp Interval of lamp replacementWhen removing the lamp from the ceiling-mounted projector Reset of the lamp operation timeReplacing the lamp To replace the lampCleaning of the air-filter MaintenanceCleaning of the projector and the ventilation slots Cleaning of the lensNo image appears on the screen Problem Solution TroubleshootingImages are not displayed correctly Problem Solution TroubleshootingOthers Problem Solution Status Condition Possible Solution IndicatorsNormal condition Abnormal conditionSpecifications Dimension drawings unit mmSpecifications Replacement part Option/not included in the box ConnectorsComputer IN/COMPONENT Video Hdmi DVI-D HdcpMitsubishi Projector Contact Information