NEC PX602UL User Manual

170
9. Appendix
Common Problems & Solutions
(→“POWER/STATUS/LIGHTIndicator”onpage168,169.)
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 13, 14)
• 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�
• Thelightmodulemayfailtolight.Waitafullminuteandthenturnonthepoweragain.
• Set[FANMODE]to[HIGH]whenusingtheprojectorataltitudesapproximately760m/2500feetorhigher.
Using the projector at altitudes approximately 760 m/2500 feet or higher without setting to [HIGH] 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 97)
If you turn on the projector immediately after the light module 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�
• Incaseit’shardtothinkthetroubleisnotcausedontheabovementionedconditions,unplugthepower
cord from the outlet� Then wait 5 minutes before plugging it in again� (→ page 24)
Will turn off
• Ensurethatthe[OFFTIMER],[AUTOPOWEROFF]or[PROGRAMTIMER]isoff.(→ page 100, 115)
No picture
• Checkiftheappropriateinputisselected.(→ page 16) If there is still no picture, press the SOURCE button
or one of the source buttons again�
• Ensureyourcablesareconnectedproperly.
• Usemenustoadjustthebrightnessandcontrast.(→ page 76)
• CheckthattheSHUTTER(lensshutter)orAVMUTE(imageoff)buttonsarenotpressed.
• Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 116)
• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.(→ page 35)
• IftheHDMIINortheDisplayPortINsignalcannotbedisplayed,trythefollowing.
- Reinstall your driver for the graphics card built in your computer, or use the updated driver�
For reinstalling or updating your driver, refer to the user guide accompanied with your computer or
graphics card, or contact the support center for your computer manufacturer�
Install the updated driver or OS on your own responsibility�
We are not liable for any trouble and failure caused by this installation�
• SignalsmaynotbesupporteddependingontheHDBaseTtransmissiondevice.IRandRS232Ccannotbe
used in certain cases as well�
• 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page172�
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 97)
Color tone or hue is
unusual
• Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page
97)
• Adjust[HUE]in[PICTURE].(→ page 77)
Image isn’t square to
the screen
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 18)
• UsetheKeystonecorrectionfunctiontocorrectthetrapezoiddistortion.(→ page 32)
Picture is blurred
• Adjustthefocus.(→ page 21)
• Repositiontheprojectortoimproveitsangletothescreen.(→ page 18)
• Ensurethat the distancebetween theprojector andscreen is withinthe adjustmentrange ofthe lens.
(→ page 153)
• Hasthelensbeenshiftedbyanamountexceedingtheguaranteedrange?(→ page 156)
• 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�
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 159)
• AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 79)

NEC PX602UL Specifications

General

Brand	NEC
Model	PX602UL
Category	Projector
Language	English