NEC NP115 Projector User Manual


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7. Appendix
CommonProblems&Solutions (→ “Power/Status/Lamp Indicator” on page 68.)
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 16 and 17)
• Ensurethatthelampcoverisinstalledcorrectly.(→ page 67)
• 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 63)
• 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 57)
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 59, 60)
No picture • UsetheCOMPUTER1,theVIDEOortheS-VIDEObuttonontheremotecontroltoselectyoursource
(Computer, Video or S-Video). (→ 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 45)
• Removethelenscap.
•
Resetthesettingsoradjustmentstofactorypresetlevelsusingthe[RESET]intheMenu.(→ page 63)
• EnteryourregisteredkeywordiftheSecurityfunctionisenabled.(→ page 31)
• 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 57)
Color tone or hue is
unusual
•
Checkifanappropriatecolorisselectedin[WALLCOLOR].Ifso,selectanappropriateoption.(→ page 51)
• Adjust[HUE]in[PICTURE].(→ page 45)
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 23)
Picture is blurred
• Adjustthefocus.(→ page 22)
• 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 9)
• 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approxi-
mately 5500 feet/1700 meters or lower. Using the projector at altitudes less than approximately 5500
feet/1700metersandsettingto[HIGHALTITUDE]cancausethelamptoovercool,causingtheimage
toicker.Switch[FANMODE]to[AUTO].(→ page 57)
Image is scrolling verti-
cally, 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 75)
•
AdjustthecomputerimagemanuallywiththeHorizontal/Verticalinthe[IMAGEOPTIONS].(→ page 48)
Remote control does
not work
• Installnewbatteries.(→ page 7)
• Makesuretherearenoobstaclesbetweenyouandtheprojector.
• Standwithin22feet(7m)oftheprojector.(→ page 7)
• Makesurethattheremotecontrol'sIDcorrespondswiththeprojector'sID.(→ page 56)
Indicator is lit or blink-
ing
• SeethePOWER/STATUS/LAMPIndicator.(→ page 68)
Cross color in RGB
mode
• PresstheAUTOADJ.buttonontheprojectorcabinetortheremotecontrol.(→ page 25)
• Adjustthecomputerimagemanuallywith[CLOCK]/[PHASE]in[IMAGEOPTIONS]inthemenu.(→
page 47)
LAN control is not ac-
tive or PC Control is
not active
• Makesurethat[CONTROLTERMINAL]issetcorrectly.(→ page 60)
Cannot control the pro-
jector from external
equipment
• Checktoseeif[STANDBYMODE]issetto[POWER-SAVING]andifitis,trytosetitto[NORMAL].(→
page 59)
For more information contact your dealer.
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