Bedienungsanleitung Nec NP-M402H (Seite 147 von 165) (Englisch)

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8. Appendix

Common Problems & Solutions

(→“Power/Status/LampIndicator”onpage135.)

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 16, 17)

• Ensurethatthelampcoverisinstalledcorrectly.(→ page 134)

• 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 115)

• 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 101)

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 96, 104)

No picture

• Usetheinputselectbuttonontheremotecontroltoselectyoursource(COMPUTER,HDMI1,HDMI2,VIDEO,

USB-A, LAN, or USB-B)� (→ page 19) 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 88)

• Ensurethatthelenscoverisopen.(orlenscapisremovedonM352WS/M302WS/M332XS)(→ page 5, 17)

• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 115)

• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.(→ page 35)

• 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 101)

Color tone or hue is un-

usual

• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 95)

• Adjust[HUE]in[PICTURE].(→ page 88)

Image isn’t square to the

screen

• Repositiontheprojectortoimproveitsangletothescreen.(→ page 20)

• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.(→ page 24)

Picture is blurred

• Adjustthefocus.(→ page 23)

• Repositiontheprojectortoimproveitsangletothescreen.(→ page 20)

• Ensure that the distance between the projector and screen is within the adjustment range of the lens.

(→ page 116)

• 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�

Flic ker a p pear 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 101)

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 147)

• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 90)

Remote control does

not work

• Installnewbatteries.(→ page 11)

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

• Standwithin22feet(7m)oftheprojector.(→ page 11)

Indicator is lit or blink-

ing

• SeethePOWER/STATUS/LAMPIndicator.(→ page 135)

Cross color in RGB

mode

• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 28)

• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page 89)

Formoreinformationcontactyourdealer.

Nec NP-M402H Seite 147

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