Bedienungsanleitung Nec UM330W (Seite 137 von 149) (Englisch)

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8. Appendix

Common Problems & Solutions

(→“Power/Status/LampIndicator”onpage126.)

Problem CheckTheseItems

Does not turn on

or shut down

• Checkthatthepowercordispluggedinandthatthepowerbuttonontheprojectorcabinetortheremotecontrol

is on� (→ pages 15, 16)

• Ensurethatthelampcoverisinstalledcorrectly.(→ page 122)

• Checktoseeiftheprojectorhasoverheated.Ifthereisinsufcientventilationaroundtheprojectororiftheroom

where you are presenting is particularly warm, move the projector to a cooler location�

• Checktoseeifyoucontinuetousetheprojectorforanother100hoursafterthelamphasreachedtheendofits

life� If so, replace the lamp� After replacing the lamp, reset the lamp hours used� (→ page 120)

• Thelampmayfailtolight.Waitafullminuteandthenturnonthepoweragain.

• Set[FANMODE]to[HIGHALTITUDE]whenusingtheprojectorataltitudesapproximately5500feet/1700meters

or higher� Using the projector at altitudes approximately 5500 feet/1700 meters or higher without setting to [HIGH

ALTITUDE] can cause the projector to overheat and the projector could shut down� If this happens, wait a couple

minutes and turn on the projector� (→ page 92)

If you turn on the projector immediately after the lamp is turned off, the fans run without displaying an image for

some time and then the projector will display the image� Wait for a moment�

Will turn off • Ensurethatthe[OFFTIMER]or[AUTOPOWEROFF]isoff.(→ page 88, 95)

No picture

• UsetheCOMPUTER,theHDMI,theVIDEOortheS-VIDEObuttonontheremotecontroltoselectyoursource

(Computer, HDMI1, HDMI2, Video or S-Video)� (→ page 18) If there is still no picture, press the button again�

• Ensureyourcablesareconnectedproperly.

• Usemenustoadjustthebrightnessandcontrast.(→ page 81)

• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 102)

• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.(→ page 31)

• BesuretoconnecttheprojectorandnotebookPCwhiletheprojectorisinstandbymodeandbeforeturningon

the power to the notebook PC�

In most cases the output signal from the notebook PC is not turned on unless connected to the projector before

being powered up�

* If the screen goes blank while using your remote control, it may be the result of the computer’s screen-saver

or power management software�

• Seealsothenext page�

Picture suddenly be-

comes dark

• CheckiftheprojectorisintheForcedECOmodebecauseoftoohighambienttemperature.Ifthisisthecase,

lower the internal temperature of the projector by selecting [HIGH] for [FAN MODE]� (→ page 92)

Color tone or hue is un-

usual

• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 87)

• Adjust[HUE]in[PICTURE].(→ page 81)

Image isn’t square to the

screen

• Repositiontheprojectortoimproveitsangletothescreen.(→ page 20, 21)

• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.(→ page 23)

Picture is blurred

• Adjustthefocus.(→ page 20)

• Repositiontheprojectortoimproveitsangletothescreen.(→ page 20, 21)

• Ensurethatthedistancebetweentheprojectorandscreeniswithintheadjustmentrangeoftheprojectionwindow.

(→ page 103, 104)

• Condensationmayformonthelensiftheprojectoriscold,broughtintoawarmplaceandisthenturnedon.

Should this happen, let the projector stand until there is no condensation on the lens�

Fli c k e r app e a r s on

screen

•

Set [FAN MODE] to other than [HIGH ALTITUDE] mode when using the projector at altitudes approximately 5500 feet/1700

meters or lower� Using the projector at altitudes less than approximately 5500 feet/1700 meters and setting to [HIGH ALTI-

TUDE] can cause the lamp to overcool, causing the image to ﬂicker� Switch [FAN MODE] to [AUTO]� (→ page 92)

Image is scrolling ver-

tically, horizontally or

both

• Checkthecomputer’sresolutionandfrequency.Makesurethattheresolutionyouaretryingtodisplayissupported

by the projector� (→ page 133)

• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 83)

Remote control does

not work

• Installnewbatteries.(→ page 10)

• Makesuretherearenoobstaclesbetweenyouandtheprojector.

• Standwithin22feet(7m)oftheprojector.(→ page 10)

Indicator is lit or blink-

ing

• SeethePOWER/STATUS/LAMPIndicator.(→ page 126)

Cross color in RGB

mode

• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 25)

• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page 82)

Nec UM330W Seite 137

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