Bedienungsanleitung Nec np405 (Seite 97 von 114) (Englisch)

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7. Appendix

Common Problems & Solutions (→“Power/Status/LampIndicator”onpage87.)

Does not turn on

or shut down

Will turn off

No picture

Picture suddenly

becomes dark

Color tone or hue is

unusual

Image isn’t square to

the screen

Picture is blurred

Flicker appears on

screen

Image is scrolling

vertically, horizontally

or both

Remote control does

not work

Indicator is lit or blinking

Cross color in RGB

mode

Problem CheckTheseItems

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

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

control is on. (→ pages 25, 26, 27)

• Ensurethatthelampcoverisinstalledcorrectly.(→ page 86)

• 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 80)

• 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 74)

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

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

• Ensurethatthe[OFFTIMER]or[AUTOPOWEROFF]isoff.(→ page 76, 77)

• UsetheCOMPUTER1,theCOMPUTER2,theVIDEOortheS-VIDEObuttonontheremotecontroltoselect

your source (Computer, Video or S-Video). (→ page 29) 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 62)

• Removethelenscap.

• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 80)

• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.(→ page 43)

• 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.

• 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 74)

• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 69)

• Adjust[HUE]in[PICTURE].(→ page 63)

• Repositiontheprojectortoimproveitsangletothescreen.(→ page 30)

• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.(→ page 34)

• Adjustthefocus.(→ page 33)

• Repositiontheprojectortoimproveitsangletothescreen.(→ page 30)

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

(→ page 15, 16)

• 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.

•

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 74)

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

supported by the projector. (→ page 97)

• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 65)

• 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)

• SeethePOWER/STATUS/LAMPIndicator.(→ page 87)

• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 37)

• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page 64)

Nec np405 Seite 97

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