Mitsubishi Electronics XD700U, WD720U user manual Others Problem Solution

Page 55

Troubleshooting (continued)

Images are not displayed correctly. (continued)

Problem

Solution

 

 

Projected images

• Connect the plugs of the cables to external devices securely.

become wavy.

• Keep the projector away from equipment generating interfering radio waves.

 

• When the keystone adjustment is carried out, the image may not be displayed

 

correctly because of the type of input signal. This isn’t a product malfunction. In this

 

case, readjust the keystone so that the amount of keystone correction is as small as

 

possible.

Hue is not appropriate.

• Check that the cables connected to the external devices are not broken.

Tint in projected

• Check that Computer Input in the Signal menu is correctly set. (See page 25.)

images is incorrect.

• Check that the cable connected to the external device isn’t broken.

Different color tint.

• When comparing images projected by two projectors, tints in the displayed images may be

 

different because of variation between their optical components. This is not a malfunction.

 

• When comparing the image projected by this projector with those displayed on the

 

television or PC monitor, tints in the displayed images may be different because of

 

difference in the range of color reproducibility. This is not a malfunction.

Only the motion areas

• This is caused by the computer being used. Contact the manufacturer of your

in the images supplied

computer.

from the computer

 

aren’t displayed.

 

Projected images are

• Match the output resolution of your computer with the resolution of the projector.

obscured.

For the method to change the output resolution of the computer, contact the

 

manufacturer of your computer. (See page 60.)

 

• Some images and texts appear obscured during the keystone adjustment. In such

 

cases, use the projector without applying the keystone adjustment. (See page 16.)

Projected images are

• After the POWER button or ON button on the remote has been pressed, or the Lamp

flickering.

Mode setting has changed, images may be flickering until the lamp lights stably. This

 

is an expected behavior.

 

• When selecting the input signal, Auto Position, and Image, the projected image may

 

be flickering temporarily. This is not a product malfunction.

Projector images are

• Projector may be vibrating. Set Auto Keystone to Off or lower the VOLUME button

twitching.

of the Remote control.

Others

 

 

 

Problem

Solution

 

 

The exhaust vents

• This air comes out after cooling the inside of the projector. You may feel hot, but this

emit warm air.

is not a malfunction.

No audio is output.

• Check that the volume isn’t set to low.

 

• Check the Audio Input setting.

 

• When the external device is connected with an HDMI cable, set the audio output of

 

the device to PCM output.

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 unplug the power cord from the

 

wall outlet. Wait about 10 minutes, plug the power cord in, and try again.

“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 8.)

or at all.

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

 

light. (See page 8.)

 

• Use the remote control within its operation range. (See page 8.)

 

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

EN-55

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Contents XD700U WD720U Risk of Electric Shock Do not Open Contents Important safeguards Do not block the intake and exhaust vents Important safeguardsNever remove the cabinet Do not modify this equipment Use correct voltageControl panel Terminal panel Overview1011 12 13 Overview Bottom side Remote controlInserting the batteries into the remote control Remote controlBattery installation Operation range of the remote controlFor WD720U InstallationScreen size and projection distance For XD700UWhen the aspect ratio of the image is InstallationWhen the aspect ratio of the screen is When the aspect ratio of the image is 1610 WxgaFront projection, ceiling mounting Ceiling mount installationRear projection Projector + AV device Basic connectionsProjector + DVD player or Hdtv decoder Connection for video equipment having an Hdmi terminal Basic connectionsFor computer with mini D-SUB Projector + ComputerPreparation Adjusting the position of the projected imagePreparation for projection Preparation Adjustment of the projection angleWhen projected images are distorted to a trapezoid Using the adjustment feet frontStatus Power Power-onBasic operation Basic operation With the Picture menu Setting the aspect ratioWhen connecting to a laptop computer Watching 3D content With the remote controlEN-20 Menu operation You can make various settings using the displayed menusMain Menu How to set the menusInstallation Menu operationPicture Setting FunctionMenu items Picture menuVideo Image Video Image menuLPF Signal menuSignal RGBAudio Audio menuEfficient Mode Installation menuLAN Wxga Option menuOption Ssid Network Config menuSET DhcpDescription Information menuInformation To adjust the tone of white Color Temp Image adjustmentTo adjust the brightness Contrast and Brightness To adjust the color Color and TintGamma Image adjustmentImage Color ManagementTo adjust the vertical position How to adjust the computer imageSimple method to adjust the image position To adjust the horizontal positionEnabling or disabling the network certification Network settingsSetting Projector Name Network Password settingsIP Address settings Network settingsIP Config settings Setting or clearing DhcpStart IP Address setting Subnet Mask settingsDefault Gateway settings Setting or clearing Dhcp FunctionSsid setting Channel setting Wireless SettingEncryption setting Restart of network function Initialization of network settingsWireless Setup setting How to use network functionOperation Advanced display utilitiesUSB Display ConnectionAdvanced display utilities Installation of softwareWhen deleting LAN Display System Uninstallation Important Installing LAN Display SystemProjection About Using remote desktopInstalling the virtual display driver Hide UIPC Less Presentation Installation of PtG Converter-LiteSelecting a PC Less Presentation input Performing the PC Less PresentationDisplaying Jpeg file Setting upOFF Displaying PtG fileDisplaying with slideshow function Displaying with AutoRun functionEnding the PC Less Presentation Magnify Advanced featuresDisplaying a user-defined image during startup or muting FreezeTo set a password Advanced featuresPassword lock To enable or disable password lockMajor functions PJLink supported commands When the projector is placed on the table Lamp replacementWhen the projector is mounted to the ceiling Reset of the lamp operation time Lamp replacementInterval of lamp replacement No image appears on the screen Problem Solution TroubleshootingImages are not displayed correctly Problem Solution TroubleshootingOthers Problem Solution Kensington Lock MaintenanceCleaning of the projector and the vents Cleaning of the lensAbnormal condition IndicatorsCondition Possible Solution Normal conditionYPBPR/YCBCR SpecificationsReplacement part option/not included in the box SpecificationsConnectors Dimension drawings unit mmEN-60 Zusho Baba, Nagaokakyo-City, Kyoto Japan
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