Bedienungsanleitung Nec NP2200 (Seite 98 von 115) (Englisch)

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8. Appendix

Common Problems & Solutions

(

→

“POWER/STATUS/LAMPIndicator”onpage86)

Problem CheckTheseItems

Does not turn on

or shut down

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

is on� (→ pages 20, 21)

• Ensurethatthelampcoverisinstalledcorrectly.(→ page 81)

• 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 76)

• 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/1600meters

or higher� Using the projector at altitudes approximately 5500 feet/1600 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 70)

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 72, 73)

No picture • UsetheCOMPUTER1,theCOMPUTER2,theCOMPUTER3,theVIDEOortheS-VIDEObuttonontheremote

control to select your source (Computer, Video or S-Video)� (→ page 23) 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 56)

• Removethelenscap.

• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 76)

• 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

becomes 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 70)

Color tone or hue is

unusual

• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 64)

• Adjust[HUE]in[PICTURE].(→ page 56)

Image isn’t square to

the screen

• Repositiontheprojectortoimproveitsangletothescreen.(→ page 24)

• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.(→ page 28)

Picture is blurred • Adjustthefocus.(→ page 26)

• Repositiontheprojectortoimproveitsangletothescreen.(→ page 24)

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

(→ page 82, 83)

• 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�

Flicker appears on

screen

•

Set [FAN MODE] to other than [HIGH ALTITUDE] mode when using the projector at altitudes approximately 5500 feet/1600

meters or lower� Using the projector at altitudes less than approximately 5500 feet/1600 meters and setting to [HIGH

ALTITUDE] can cause the lamp to overcool, causing the image to ﬂicker� Switch [FAN MODE] to [AUTO]� (→ page 70)

Image is scrolling

vertically, horizontally

or both

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

ported by the projector� (→ page 95)

• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 59)

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)

• Checkifoneormoreremotesensorsareenabled.Select[SETUP]→ [INSTALLATION] → [REMOTE SENSOR]

from the menu� (→ page 68)

• Makesurethattheremotecontrol'sIDcorrespondswiththeprojector'sID.(→ page 68)

Indicator is lit or blinking • SeethePOWER/STATUS/LAMPIndicator.(→ page 86)

Cross color in RGB

mode

• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 30)

• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page 58)

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

Nec NP2200 Seite 98

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