Nec M350X User Manual download pdf (Page 138)

128

8. Appendix

Common Problems & Solutions

(→“Power/Status/LampIndicator”onpage127.)

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/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 87)

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 83, 90)

No picture

• 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 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 76)

• Ensurethatthelenscoverisopen.(→ page 7)

• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 97)

• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.(→ page 32)

• 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 87)

Color tone or hue is

unusual

• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 82)

• Adjust[HUE]in[PICTURE].(→ page 76)

Image isn’t square to

the screen

• Repositiontheprojectortoimproveitsangletothescreen.(→ page 19)

• 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 19)

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

(→ page 101, 102)

• 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 87)

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supported

by the projector� (→ page 140)

• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 78)

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

blinking

• SeethePOWER/STATUS/LAMPIndicator.(→ page 127)

Cross color in RGB

mode

• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 26)

• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→ page 77)

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

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