NEC NP1250 User Manual

Also see for NP1250 Series: Control commands Command guide Command guide Supplementary guide Specifications

Contents

NEC NP1250 User Manual Manual pdf 177 page image

3No. image. is. displayed. from. your. PC. or. video. equipment. to. the.projector.Still.no.image.even.though.you.connect.the.projector.to.the.PC.first,.then.start.the.PC.Enabling.your.notebook.PC’s.signal.output.to.the.projector.• A combination of function keys will enable/disable theexternal display. Usually, the combination of the “Fn” keyalong with one of the 12 function keys turns the externaldisplay on or off.No.image.(blue.background,.logo,.no.display).Still.no.image.even.though.you.press.the.AUTO.ADJUST.but-ton.Still.no.image.even.though.you.carry.out.[RESET].in.the.pro-jector’s.menu.Signal.cable’s.plug.is.fully.inserted.into.the.input.connectorA.message.appears.on.the.screen.(._____________________________________________.)The.source.connected.to.the.projector.is.active.and.available.Still.no.image.even.though.you.adjust.the.brightness.and/or.the.contrast.Input.source’s.resolution.and.frequency.are.supported.by.the.projector.9 Troubleshooting Check ListBefore contacting your dealer or service personnel, check the following list to be sure repairs are needed also byreferring to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your problemmore efficiently.* Print the following pages.Frequency of occurrence...always....sometimes.(How.often?_____________________).....other.(__________________)PowerNo. power. (POWER. indicator. does. not. light. green). . . See. also.“Status.Indicator.(STATUS)”.Power.cable’s.plug.is.fully.inserted.into.the.wall.outlet.Main.power.switch.is.pressed.to.the.ON.position.Lamp.cover.is.installed.correctly.Lamp.Hours.Used.(lamp.operation.hours).was.cleared.after.lamp.replacement.No.power.even.though.you.press.and.hold.the.POWER.but-ton.for.a.minimum.of.2.seconds.Shut.down.during.operation.Power.cable’s.plug.is.fully.inserted.into.the.wall.outlet.Lamp.cover.is.installed.correctly.Auto. Power. Off. is. turned. off. (only. models. with. the. Auto.Power.Off.function).Off.Timer.is.turned.off.(only.models.with.the.Off.Timer.func-tion).PROGRAM. TIMER. is. turned. off. (only. models. with. the. Pro-gram.Timer.function).Video and AudioImage.is.too.dark.Remains. unchanged. even. though. you. adjust. the. brightness.and/or.the.contrast.Image.is.distorted.Image. appears. to. be. trapezoidal. (unchanged. even. though.you.carry.out.the.[KEYSTONE].or.[3D.REFORM].adjustment).Parts.of.the.image.are.lost.Still. unchanged. even. though. you. press. the. AUTO. ADJUST.button.Still. unchanged. even. though. you. carry. out. [RESET]. in. the.projector’s.menu.Image.is.shifted.in.the.vertical.or.horizontal.direction.Horizontal.and.vertical.positions.are.correctly.adjusted.on.a.computer.signal.Input.source’s.resolution.and.frequency.are.supported.by.the.projector.Some.pixels.are.lost.Image.is.flickering.Still. unchanged. even. though. you. press. the. AUTO. ADJUST.button.Still. unchanged. even. though. you. carry. out. [RESET]. in. the.projector’s.menu.Image.shows.flickering.or.color.drift.on.a.computer.signal.Still.unchanged.even.though.you.change.[FAN.MODE].from.[HIGH.ALTITUDE].to.[AUTO].Image.appears.blurry.or.out.of.focus.Still.unchanged.even.though.you.checked.the.signal’s.resolu-tion.on.PC.and.changed.it.to.projector’s.native.resolution.Still.unchanged.even.though.you.adjusted.the.focus.No.sound.Audio.cable.is.correctly.connected.to.the.audio.input.of.the.projector.Still.unchanged.even.though.you.adjusted.the.volume.level.AUDIO. OUT. is. connected. to. your. audio. equipment. (only.models.with.the.AUDIO.OUT.connector).OtherRemote.control.does.not.work.No. obstacles. between. the. sensor. of. the. projector. and. the.remote.control.Projector. is. placed. near. a. fluorescent. light. that. can. disturb.the.infrared.remote.controls.Batteries.are.new.and.are.not.reversed.in.installation..If.present.on.the.remote.control,.projector.selector.switch.is.not.used.Buttons.on.the.projector.cabinet.do.not.work.(.only.models.with.the.Control.Panel.Lock.function).Control.Panel.Lock.is.not.turned.on.or.is.disabled.in.the.menu.Still. unchanged. even. though. you. press. and. hold. the. EXIT.button.for.a.minimum.of.10.seconds.9. Appendix