Bedienungsanleitung Mitsubishi WD720U (Seite 55 von 61) (Englisch)

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Troubleshooting (continued)

Images are not displayed correctly. (continued)

Problem Solution

Projected images

become wavy.

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

• 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

images is incorrect.

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

• 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

in the images supplied

from the computer

aren’t displayed.

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

computer.

Projected images are

obscured.

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

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

ﬂickering.

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

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

twitching.

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

of the Remote control.

Others

Problem Solution

The exhaust vents

emit warm air.

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

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

used.

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

 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

displayed.

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

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

doesn’t function easily

or at all.

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

weak. (See page 8.)

• Checkthattheremotecontrolsensorisn’texposedtodirectsunlightoruorescent

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.

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