Mitsubishi Electronics HC7900DW user manual EN-49

Page 49

Troubleshooting (continued)

Others (continued)

Problem

Solution

 

 

The menu can’t be

• The microcomputers inside the projector may be wrongly operating because of noise.

used.

Press the POWER button to turn off the lamp and wait about 2 minutes. Then

 

unplug the power cord from the outlet, wait at least 10 minutes, and plug the

 

power cord back into the outlet. When the POWER button doesn’t function, unplug

 

the power cord from the outlet, wait at least 10 minutes, and then plug the power

 

cord back into the outlet.

 

• You cannot select grayed-out items. (See page 29.)

 

 

“TEMPERATURE!!” is

• This indication appears when the ambient temperature rises high. When the ambient

displayed.

temperature stays high, the lamp goes out.

 

Eliminate any causes of the rise in the ambient temperature.

 

• This indication appears when the intake or exhaust vents are blocked. When they are

 

kept blocked, the lamp goes out.

 

Remove the objects blocking the intake or exhaust vents.

 

 

The mark appears.

• This mark appears when ineffective operation is carried out. This isn’t a product

 

malfunction.

The remote control

• Check that the batteries are loaded in the remote control or the batteries are not

doesn’t function easily

weak. (See page 6.)

or at all.

• Check that the remote control sensor isn’t exposed to direct sunlight or fluorescent

 

light. (See page 9.)

 

• Use the remote control within its operation range. (See page 9.)

 

• Use the remote control at least 10 cm away from the projector.

 

 

The remote control of

• When you are viewing a 3D image, stop the signal being output from the 3D emitter

other device such as

temporarily by pressing the 3D SYNC PAUSE button on the remote control. (See page

DVD recorder doesn’t

26.)

function.

 

 

 

The buttons on the

• PASSWORD FUNCTION in the FEATURE menu has been set to MENU ACCESS to

control panel (except

enable the password lock.

for the POWER

Cancel the password lock or contact the person in charge of management of the

button) don’t function.

projector. (See page 41.)

Mechanical operating

• The iris produces sound while operating. This is not a malfunction.

noise (clicking sound)

 

is heard.

 

Mechanical operation

• Mechanical operation noise is heard after the power-off process, but this is not a

noise is heard after the

malfunction.

power-off process.

 

Abnormal sound is

• Because the color wheel spins at a high speed, metallic sounds may be heard in rare

heard.

occasions. Such symptom is not a malfunction.

Images are not 3D.

• Is the 3D emitter connected to the projector?

*The 3D glasses and

• Is there any block in the communication area between the 3D emitter and the 3D

3D emitter are sold

glasses? Or, is there a sticker or other such item on the infra-red reception section on

separately. They are

the 3D glasses?

not supplied with this

The 3D glasses operate by receiving signals from the 3D emitter. Check that there

product.

is not any block in the communication area between the 3D emitter and the 3D

 

glasses.

 

• Is the distance between the 3D emitter and 3D glasses too far, or too close?

 

Adjust the location of the 3D emitter.

 

• Are the direction of the 3D emitter and that of the infra-red reception section on the

 

3D glasses misaligned?

 

Adjust the direction and location of the 3D emitter.

 

• Is the 3D glasses turned off?

 

Turn on the power of the 3D glasses.

EN-49

Page 48 Page 50
Image 49
Page 48 Page 50
Contents HC7900DW Risk of Electric Shock Do not Open Contents Important safeguards Important safeguards Removing the batteries from the remote control Inserting the batteries into the remote controlPreparing your projector What’s included in the boxOverview Preparing your projectorControl panel Picture quality adjusting buttons Remote controlPicture quality selection buttons Operational range of the remote control Using the remote controlReception distance Reception angleSetting up the screen Setting up your projectorWhen the aspect ratio of the screen is Screen size and projection distanceWhen the aspect ratio of the screen is 2.351 CinemaScope Setting up your projectorWhen the aspect ratio of the image is When fine streaks are seen on projected images Adjusting the position of the projected imageWhen projected images are distorted to a trapezoid Correcting skewed or distorted imageRear projection Front projection, ceiling mountingTrigger terminal Viewing video images Connecting the projector to video equipmentBasic home theater system connection PreparationViewing video images Connecting to video equipment having a Hdmi terminalConnection for video equipment having an Hdmi terminal Connecting to a DVD player or Hdtv decoder Plugging in the power cordProjecting images To stop projecting ZOOM1 ZOOM2 Stretch ANAMORPHIC1 ANAMORPHIC2 Setting the aspect ratioWith the remote control How to change the settingsWith the Feature menu See page 29 for menu setting Plugging the power cord Connecting the projector to a computerViewing computer images About DDCViewing computer images Setting of the resolution When connecting to a notebook computerExample of the setting procedure for external output Auto Position buttonViewing 3D images Installing the 3D emitterUsable 3D glasses and 3D emitter 3D images viewingViewing 3D images To stop the signal emitted from the 3D emitter temporarilyTo convert 2D images to 3D images With the 3D menuEN-27 Menu operation You can make various settings using the displayed menusMenu operation How to set the menusPress the  or  button to select a menu to use Image menu Menu itemsSetup Auto Setting Function Advanced MenuPicture Menu Reset Screen SizeInstallation menu Feature menu Signal menu Information menu To adjust the brightness Contrast Adjusting projected imagesTo adjust the color Color and Tint With the Image menuTo adjust the tone of white Color Temp Adjusting projected imagesAbout color temperature To enable the stored color temperatureTo optically brighten or darken projected images Iris To change the Iris mode With the remote controlTo use BrilliantColor To enable the stored gamma mode To adjust the ratio of change in brightness Gamma ModeTo use Color Management BLUEMAGENTAREDLPF Progressive filter To adjust the vertical positionPassword function Advanced featuresTo enable the password function To cancel the password functionReplacing the lamp Interval of lamp replacementReplacing the lamp When the projector is mounted to the ceilingReset of the lamp operation time Cleaning of the projector and the vents MaintenanceCleaning of the lens No image appears on the screen Problem TroubleshootingNo image appears on the screen Problem Solution TroubleshootingImages are not displayed correctly Problem Solution Others Problem Solution EN-49 EN-50 Power Status Condition IndicatorsCondition Possible Solution Normal conditionDimension drawings unit mm SpecificationsHdmi SerialSupported input signals Specifications3D supported signals Separately sold items ConnectorsCOMPUTER/COMPONENT Video Hdmi 1, Hdmi VLT-HC7800LPZusho Baba, Nagaokakyo-City, Kyoto Japan
Top Page Image Contents