BenQ T71W ET-0004-L User manual

T71W(ET-0004-L)
17 Wide-ScreenLCDMonitor
UserManual
Welcome

Introduction...................................................................................................1
Features...........................................................................................................1
Unpacking.......................................................................................................2
Attaching/Removingthebase........................................................................3
Screenpositionadjustment............................................................................3
Connectingthepowercord............................................................................4
Safetyprecaution............................................................................................4
Cleaningyourmonitor...................................................................................4
Installation......................................................................................................5
Presetmodes...................................................................................................6
GettingthemostfromyourBenQmonitor.................................................7
Howtoinstall themonitoronanewcomputer.........................................8
Howtoupgrade themonitoronanexistingcomputer.............................9
Howtoinstall onWindowsXPsystem.....................................................10
Howtoinstall onWindows2000 system.................................................11
HowtocompletetheWindowsUpgrade DeviceDriverWizard............12
Powersaving.................................................................................................14
DDC..............................................................................................................14
Usercontrols.................................................................................................15
Troubleshooting...........................................................................................18
Specification..................................................................................................19
TABLEOFCONTENTS

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E-1
INTRODUCTION
Congratulationsforpurchasingmodel T71W,ahighperformance17-inchcolorTFT
LCD monitor.TheT71Wmonitorprovidesflicker-free andcolorimagesatoptional
resolutions.Throughthisuserguide,wewill introduceyou step-by-stepall thefeatures,
functionsandtechnicalspecificationsoftheLCDmonitor.Surelyyouwillhavearefreshing
experienceworkingwiththemonitor.
FEATURES
The T71W isa17-inchTFTLCD monitorthatisintelligent,microprocessor-basedand
ergonomicallydesigneddisplay,compatible withmostanalogRGB(Red,Green,Blue)
displaystandards,includingPS/V,PS/2,optionalforApple MacintoshCentris,Quadra,
andMacintoshIIfamilysignals.TheLCDmonitoriscapableofdisplayingcrispandvibrant
colorgraphicswithVGA,SVGA,XGA,SXGA(non-interlaced),WXGAandmostMacintosh
compatiblecolorvideocards.
Themonitorisabletoproperlyfunctionevenincaseofupgradevideocardsorsoftware
becauseofthewideauto-scanningcompatibilityrangewithoutrequiringtobuya
newmonitor.
Theinternalmicroprocessordigitallycontrolsauto-scanning.Forhorizontalscan
frequenciesbetween31KHz and83KHz,andvertical scanfrequenciesbetween56
Hzand76Hz.Ineachfrequencymode,themicroprocessor-basedcircuitryallowsthe
monitortofunctionattheprecision-ofafixedfrequency.
The resident memoryallowsforstoringfactorydefaultsettingsandalso additional
useradjustmentparameters.
ThemaximumresolutionachievableisWXGA(1440x900),bestsuitedforWindows
applications
Thecompactandsleek cabinetdesignsaveslotofyourdesk spaceandmakesyour
desklookneatandtidy.

E-2
T71W
·LCDMonitor
UNPACKING
Pleasecheckthefollowingitemsarepresentwhenyouunpackthebox,andsavethepacking
materialsincaseyou will needtoship ortransportthemonitorinfuture.
·AudioCable
·UserManual
·ACPowerCord
·15-pinD-Sub Cable
·Quick StartGuide

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E-3
SCREENPOSITIONADJUSTMENT
Inodertooptimizethebestviewingposition,you canadjustthetiltofthemonitorby
usingbothofyourhandstoholdtheedgesofthemonitorasshowninthefigurebelow.
Themonitorcanbe adjustedto22 degreesupor5degreesdownasindicatedbyarrow
below.
ATTACHING /REMOVING THEBASE
50220
Install:
Tightenthethumbscrewasindicated.
Remove:
Releasethethumbscrewonthebottom
ofthebaseasindicated.

E-4
T71W
CONNECTINGTHEPOWERCORD
Check firsttomakesurethatthepowercordyou useisthecorrecttyperequiredfor
yourarea.
Thismonitorhasauniversalpowersupplythatallowsoperationineither100/120V
ACor220/240 VACvoltagearea.Nouser-adjustment isrequired.
PlugoneendofthepowercordtotheACInlet,pluganotherendtoaproperAC
outlet.
Forunitusingat120 VAC:
UseaULListedCordSet,TypeSVTwireandplugrated10 A/125 V.
Forunitusingat220/240 VAC(outsideofU.S.):
UseaCordSetconsistingofH05VV-F cordandplugrated10 A,250 V.Thecordset
shouldhavetheappropriatesafetyapprovalsforthecountryinwhichtheequipment
will be installed.
Thesocket-outletshall be installedneartheequipmentandshall be easilyaccessible.
SAFETYPRECAUTION
Avoid placingthemonitor,oranyotherheavyobject,onthepowercordtoavoid
damagetothecable.
Donotexposethemonitortorain,excessivemoisture,ordust.
Donotcovertheventilationslotsoropeningsofthemonitor.Alwaysputthemonitor
inaplacewherethereisadequateventilation.
Avoid placingthemonitoragainstabrightbackgroundorwheresunlightorother
lightsourcesmayreflectonthefaceofthemonitor.Placethemonitorjustbeloweye
level.
Handle withcarewhentransportingthemonitor.
Refrainfrom givingshock orscratchtothescreen,asscreenisfragile.
LAMPDisposal
LAMP(S)INSIDETHISPRODUCTCONTAINMERCURYANDMUSTBE RECYCLEDOR
DISPOSEDOFACCORDINGTOLOCAL,STATEOR FEDERALLAWS.FOR MORE
INFORMATION,CONTACTTHEELECTRONICINDUSTRIESALLIANCEAT
WWW.EIAE.ORG.FORLAMP SPECIFICDISPOSALINFORMATIONCHECK
WWW.LAMPRECYCLE.ORG.
CLEANINGYOURMONITOR
Pleasecarefullyfollowthebelowguidelineswhencleaningthemonitor.
Alwaysunplugthemonitorbeforecleaning.
Useasoftclothtowipethescreenandcabinetfront andsides.
Applyasmall quantityofalcoholtoasoftclothtocleanthemonitorscreen,ifrequires
morethandusting.

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E-5
INSTALLATION
Toinstall themonitortoyourhostsystem,pleasefollowthestepsasgivenbelow:
Steps
1.ConnectVideo Cable
a.Makesureboththemonitorandcomputerarepowered-OFF.
b.Connectthevideo cable tothecomputer.
2.Connectpowercord
Connectthepowercordtothemonitor,thentoaproperlygroundedACoutlet.
3.ConnecttheAudioCable.
4.Power-ONMonitorandComputer
Power-ONthemonitorfirst,thenpower-ONthecomputer.
Thissequenceisveryimportant.
5.Ifthemonitorstilldoesnotfunctionproperly,pleaserefertothetroubleshootingsection
todiagnosetheproblem.
1
2
3
1

E-6
T71W
PRESETMODES
Toreducetheneedforadjustment fordifferent modes,themonitorhasdefaultsetting
modesthataremostcommonlyusedasgiveninthetable below.Foroptimum adjustment,
theuserissuggestedtoperformtheAutoSetupunderWindows Full Screen”pattern.If
themodeinusedoesnotmatchoneofthedefaults,theusercanstoretheirpreferred
modesintheusermodes.Themonitoriscapable ofstoringupto9usermodes.Theonly
conditiontostoreasausermodeisthenewdisplayinformationmusthave1KHzdifference
forhorizontalfrequencyor1Hz forverticalfrequencyorthesyncsignalpolaritiesare
different from thedefaultmodes.
Mode Resolution H. Freg.
(KHz) BrandWidth (MHz) Polarity
H V
1VGA 720x400 70 Hz 31.47 28.322 - +
2VGA 640 x480 60 Hz 31.47 25.175 - -
3MAC 640 x480 67 Hz 35.00 30.24 - -
4VGA 640 x480 72 Hz 37.86 31.5 - -
5VESA 640 x480 75 Hz 37.50 31.5 - -
6VESA 800 x600 56 Hz 35.16 36.00 - -
7VESA 800 x600 60 Hz 37.88 40 + +
8VESA 800 x600 72 Hz 48.08 50.00 - -
9VESA 800 x600 75 Hz 46.88 49.5 + +
10 MAC 832x624 75 Hz 49.73 57.28 - -
11 VESA 1024x768 60 Hz 48.36 65 - -
12 VESA 1024x768 70 Hz 56.48 75.00 - -
13 VESA 1024x768 75 Hz 60.02 78.75 + +
14 MAC 1152x864 75 Hz 68.68 100 - -
15 SXGA 1280x720 60 Hz 44.772 74.50 - +
16 SXGA 1280 x800 75 Hz 62.63 106.22 - -
17 WXGA 1440 x900 75 Hz 70.635 136.75 - +
18 WXGA 1440 x900 60 Hz 55.935 106.5 - +

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GETTINGTHEMOSTFROMYOURBenQMONITOR
Togainthemostbenefitfrom yournewBenQcolorLCD flatscreenmonitor,you
shouldinstall thecustom BenQLCD MonitordriversoftwareasprovidedontheBenQ
LCDMonitorCD-ROM.
Thecircumstancesunderwhichyou connectandinstall yourBenQLCD Monitorwill
determinewhichprocess you needtofollowtosuccessfullyinstall theBenQLCD
Monitordriversoftware.ThesecircumstancesrelatetowhichversionofMicrosoft
Windowsyou areusing,andwhetheryou areconnectingthemonitorandinstallingthe
softwareontoanewcomputer(withoutexistingmonitordriversoftware),orwhether
you areupgradinganexistinginstallation(whichalreadyhasexistingmonitordriver
software)withanewermonitor.
Ineithercasehowever,theverynexttimeyou turnonyourcomputer(afterconnecting
themonitortoyourcomputer),Windowswill automaticallyrecognisethenew(or
different)hardware,andwill launchitsFoundNewHardwarewizard.
Followthewizardinstructionsuntilitasksyou toselectamonitormodel.Atthatpoint,
click theHaveDiskbutton,inserttheBenQLCD MonitorCD-ROMandselectthe
appropriatemonitormodel.Furtherdetailsandstep-by-stepinstructionsforbothan
automatic(new)orupgrade(existing)installationfollow.
See:
Howtoinstall themonitoronanewcomputeronpage8.
Howtoupgradethemonitoronanexistingcomputeronpage9.
Ifyou requireaUserNameandPasswordtologintoyourWindowscomputer,you must
be loggedonasanAdministratororasamemberoftheAdministratorsgroupinorder
toinstall themonitordriversoftware.Furthermore,ifyourcomputerisconnectedtoa
networkwhichhassecurityaccess requirements,networkpolicysettingsmayprevent
you frominstallingsoftwareonyourcomputer.

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T71W
Howtoinstall themonitor on anewcomputer
ThisinstructiondetailstheprocedureforselectingandinstallingtheBenQLCD
Monitordriversoftwareonanewcomputerwhichhasneverhadamonitordriver
installedbefore.Thisinstructionisonlysuitable foracomputerwhichhasneverbeen
usedbefore,andforwhichtheBenQLCD Monitoristhefirstevermonitortobe
connectedtoit.
Ifyou areaddingtheBenQLCD Monitortoanexistingcomputerthathasalreadyhad
anothermonitorconnectedtoit(andhasmonitordriversoftwareinstalled),you should
notbe followingtheseinstructions.You shouldinsteadbe followingtheinstructionsfor
Howtoupgradethemonitoronanexistingcomputer.
1. FollowtheinstructionsinHowtoassemble yourmonitorhardwareonpage5.
WhenWindows(2000 orlater)starts,itwill automaticallydetectthenewmonitor
andlaunchtheFoundNewHardwareWizard.Followthepromptsuntilitdisplays
theoptiontoInstall HardwareDevicedrivers.
2. InserttheBenQLCD MonitorCD-ROMintoaCD driveonthecomputer.
3. Check Searchforasuitable driverformydeviceoption,andclick Next.
4. Check theoptionforCD-ROMdrives(uncheck all others)andclick Next.
5. Looktoconfirm thatthewizardhasselectedthecorrectnameofyourmonitoras
“T71W”andclick Next.
6. Click Finish.
7. Restartthecomputer.

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E-9
Howtoupgradethemonitor onanexistingcomputer
Thisinstructiondetailstheprocedureformanuallyupdatingtheexistingmonitordriver
softwareonyourMicrosoftWindowscomputer.Itiscurrentlytestedascompatible (and
recommendedonly)forWindows2000 andWindowsXPOperatingSystem (OS).
TheBenQLCD Monitordriverforyourmodel maywell functionperfectlywithother
versionsofWindows,however,asatthetimeofwriting,BenQhasdonenotestingof
thisdriveronotherversionsofWindowsandcannotguarantee itsoperationonthose
systems.
Installingmonitordriversoftwareinvolvesselectinganappropriateinformationfile
(.inf)ontheBenQLCD MonitorCD-ROMfortheparticularmodel monitoryou have
connected,andlettingWindowsinstall thecorrespondingdriverfilesfromtheCD.You
needonlysteeritintherightdirection.WindowshasanUpgradeDeviceDriverWizard
toautomatethetaskandguideyou throughthefile selectionandinstallationprocess.
See:
Howtoinstall onWindowsXPsystem onpage10.
Howtoinstall onWindows2000 system onpage11.

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T71W
Howtoinstall on WindowsXPsystem
1. OpenDisplayProperties.
ThequickestshortcuttoDisplayPropertiesisthroughtheWindowsdesktop.Right-
click thedesktopandselectPropertiesfrom thepopupmenu.
Alternatively,theWindowsmenutoDisplayPropertiesislocatedinControlPanel.
InWindowsXPversion,ControlPanel islocateddirectlyunderthemainStart
menuitem.
Themenuoptionsdisplayedwill dependuponwhichtypeofviewisselectedfor
yoursystem.
UndertheClassicview,click Start|ControlPanel |Display.
UndertheCategoryview,click Start|ControlPanel |AppearanceandThemes|
Changethescreenresolution.
TheDisplayPropertieswindowwill display.
2. Click theSettingstabandtheAdvancedbutton.
TheAdvancedDisplayPropertieswindowwill display.
3. Click theMonitortabandselectthe PlugandPlayMonitor”from thelist.
Ifthereisonlyonemonitorinthelist,itwill alreadybe selectedforyou.
4. ClickthePropertiesbutton.
TheMonitorPropertieswindowwill display.
IfthedriverproviderislistedasBenQ,andthemodel matchesthatofyournew
monitor,theproperdriversarealreadyinstalled,andyou needdonothingfurther.
Cancel outofthesepropertywindows.
However,ifBenQisnotlistedasthemanufacturer,orthecorrectmodel isnot
currentlyshown,you will needtocontinue withtheseinstructions.
5. Click theDrivertabandtheUpdateDriverbutton.
TheHardwareUpdateWizardwill display.Followthewizardinstructionsnoting
thestepsbelow:
6. InserttheBenQLCD MonitorCD-ROMintoaCD driveonthecomputeryou
attachedthemonitorto.
7. Check theoption Install from alistorspecificlocation”andclick Next.
8. Check theoption Searchforthebestdriverintheselocations”andalsocheck ”

T71W
E-11
Searchremovable media”,thenclick Next.
Pleasewaitwhile thewizardsearchesfordrivesandtheBenQLCD MonitorCD
insertedinstep6.
Whencomplete,thewizardshouldhavefoundandselectedtheBenQdriveronthe
CD appropriatetoyourmonitormodel,inthiscase BenQT71W”inthelocation
:\driver\BenQT71W.inf/BenQT71W.inf”orsimilar.
ThedriveletterforyourCD drivemaydifferfrom theexample abovedepending
uponyoursystem ?itmaybe D”or E”or F”etc.
9. Select(single-click) thefile named BenQT71W”ontheCD,andclick theNext
button.
Thiswill copyandinstall theappropriatemonitordriverfilestoyourcomputer.
10.Click Finish.Thiswill closethewizardandreturnyou totheMonitorProperties
window,nowrenamedBenQT71WProperties.
11.Click Close,OK,andOK.Thiswill closetheDisplayPropertieswindows.You donot
needtorestartWindowsXP,astheBenQLCD monitordriverswill operateimme-
diatelywithnofurtheractionrequiredbyyou.
Howtoinstall on Windows2000 system
You donotneedtofollowthisinstructionifyou areinstallingontoacomputerwhich
hasaWindowsXP(orlater)versionsystem.Inthatcase,see theinstructionsat
Howtoinstall onWindowsXPsystem onpage10.
1. OpenDisplayProperties.
ThequickestshortcuttoDisplayPropertiesisthroughtheWindowsdesktop.Right-
click thedesktopandselectPropertiesfrom thepopupmenu.
Alternatively,theWindowsmenutoDisplayPropertiesislocatedinControlPanel.
InWindows2000 version,ControlPanel islocatedundertheSettingsmenuitem.
Click Start|Settings|ControlPanel |Display.TheDisplayPropertieswindowwill
display.
2. Click theSettingstabandtheAdvancedbutton.
TheAdvancedDisplayPropertieswindowwill display.
3. InWindows2000,click theMonitortabandthePropertiesbutton.
TheMonitorPropertieswindowwill display.
4. InWindows2000,click theDrivertabandtheUpdateDriverbutton.TheUpgrade
DeviceDriverWizardwill display.
See HowtocompletetheWindowsUpgradeDeviceDriverWizardonpage12.

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T71W
HowtocompletetheWindowsUpgradeDeviceDriverWizard
1. LoadtheBenQLCD MonitorCD-ROMwhichcamewithyourmonitor.Insertthe
CD-ROMintoaCD driveonthecomputeryou attachedthemonitorto.The
autorunUser’sGuidelanguageselectionpagewill displayinyourweb browser.
You canselectalanguageandviewtheonlineversionofthismanualfrom thenext
window.You couldthenprint itoutforreferenceifyou wishtoworkoff-line.When
you’reready,Cancel thebrowserasitisnotrequiredfortheWindowsUpgrade
DeviceDriverWizard.
2. LaunchtheWindowsUpgradeDeviceDriverWizardandclick Next.
3. Check theoption “Displayalistofknowndrivers...”andclick Next.
4. Click theHaveDiskbutton.
TheInstall FromDiskwindowwill display.
5. Click theBrowsebuttonandnavigatetotheBenQLCD MonitorCD-ROM.
ThisistheCD you loadedinstep1above.TheCD Drivewill haveaWindows
designateddriveletter(likeD:orE:orF:).Selectthedrivelettercorrespondingto
thedriveyou puttheCD into.
6. Double-click thefolderlabelled “Driver”.
Thecontentsofthe “Driver”folderwill display.
7. Click theOpenbutton.
Thiswill returnyou totheInstall from Diskwindow,anditwill haveenteredthe
address totheBenQLCD MonitorCD “Driver”folderintothefieldtitled
‘Copymanufacturer’sfilesfrom:’.
Thefieldwill containsomethinglike,“D:\Driver”,or “E:\Driver”,or
“F:\Driver”.
8. Click theOKbutton.
Thiswill returnyou totheUpgradeDeviceDriverWizard.
9. Select(single-click) thefile namedT71W,andclick theNextbutton.
10.Click Next.
Thiswill copytheappropriatemonitordriverfilestoyourcomputer.
11.Click Finish.
OnWindows2000,thiswill closethewizardandreturnyou totheMonitor
Propertieswindow,nowrenamed ‘BenQT71WProperties’.

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Shouldyou wishtodoso,thisiswhere you canchangethescreenrefreshrateand
othermonitorpropertiestosuityourneeds.See Howtoadjustthescreenrefresh
rateonpage6 fordetails.
12.InWindows2000,click Close.
Thiswill closetheBenQT71WPropertieswindowandreturnyou totheAdvanced
DisplayPropertieswindow.
13.InWindows2000,click OK.
Thiswill closetheAdvancedDisplayPropertieswindow,andreturnyou tothe
DisplayPropertieswindow.
Shouldyou wishtodoso,thisiswhereyou canchangethescreenresolution(area
andcolor).See Howtoadjustthescreenresolutiononpage5fordetails.
14.Click OK.
Thiswill closetheDisplayPropertieswindow,andifyou madeanychangestothe
screenresolution,Windows2000 will promptyou forconfirmationtoeffectthe
changes,andfurtherconfirmationtoacceptthechanges.Click OKandYes
respectively.
“”

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T71W
POWERSAVING
The monitorwill be driveninto PowerSaving ”modebythecontrolsignal
fromthedisplaycontroller,asindicatedbytheamber-colorpowerLED.
Thepowersavingstateswillbekeptuntilacontrolsignalhasbeendetectedorthekeyboard
ormouseisactivated.TherecoverytimefromActiveOFFstatebacktoONstateisaround
3seconds.
DDC
Tomakeyourinstallationeasier,themonitorisable toPlugandPlaywithyoursystem if
yoursystemalsosupports DDC protocol.TheDDC (DisplayDataChannel) isa
communicationprotocolthroughwhichthemonitorautomaticallyinformsthehostsystem
aboutitscapabilities,forexample,supportedresolutionsandcorrespondingtiming.The
monitorsupportsDDC2Bstandard.
State Power
Consumption LEDLight
ON Normal Green
Active
OFF <2W Amber

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USERCONTROLS
FrontPanelControls
1.PowerSwitch:ToturnONorOFF thepower.
2.PowerLED:LightsuptoindicatethepoweristurnedON.
3.SelectMENU:ToexitandenterOSDmenu.
4.Select :TomovedownwardintheOSDItem.
5.-:Todecreasethevalue oftheparameterintheOSD,whichhasbeenselectedfor
adjustment.
-:ChoosethepreviousOSDMENUpage.
:ActasAudioMutehotkeywhenOSDisnotdisplayed.
6.+:Toincreasethevalue oftheparameterintheOSD,whichhasbeenselectedfor
adjustment.
+:ChoosethenextOSDMENUpage.
AUTO:ActasAUTOadjustment hotkeywhenOSDisnotdisplayed.
3 4 5 6 1 2

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T71W
StandardOSDOperation
1.Press MENU keytoactivatetheOSDmenu,whenOSDisnotdisplayed.
2.Use Select keytomove downthroughthe menucyclically.The parameterwill bee
highlightedwhenselected.
3.Thenuse +or -toincreaseordecreasethevalueoftheparameter,ormakeselection
betweendifferentoptions.
4.ToquittheOSDscreenatanytimeduringtheoperation,press MENU key.Ifnokeys
arepressedforatime period,theOSDautomaticallydisappears.
5.WhenOSDisnotdisplayed,press+keytostartAuto-Adjust.
6.WhenOSDisnotdisplayed,press -keytoturnspeakerON/OFF.
OSDFunctionDescription
---------------------------------------------------------------------------------------
Volume Toincreaseordecreasethesoundlevel.
---------------------------------------------------------------------------------------
Brightness Toincreaseordecreasethebrightness.
Contrast Toincreaseordecreasethecontrast.
---------------------------------------------------------------------------------------
ColorTemperature Press -keyor +keytoselectsRGB,Reddish,Bluishand
USER.OnlywhenselectingUSER,youcanmake
adjustmentstotheR/G/Bcontent,otherwisenot.
---------------------------------------------------------------------------------------
HorizontalSize Toincreaseordecreasethesizeofimage.
Fine Toincreaseordecreasethesnownoiseoftheimage.
Left/Right Tomovethescreentowardleftorright.
Down/Up Tomovethescreenupwardordownward.
AutoAdjust Press +keytoturnonthisfunction.TheAuto-Adjust
willautomaticallyadjustV-Position,H-Position,Clock,
andClock-Phase,thewhole processtakesabout5
seconds.
---------------------------------------------------------------------------------------

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---------------------------------------------------------------------------------------
Language SelectamongEnglish,French,German,Spanish,
Japanese,SimplifedChinese,TraditionalChinese,
Korean,Portuguese,Russian,Turkish.
FactoryReset Toreturnthemonitortoitsdefaultsettings.
OSDTimeOut ToadjusttheperiodofOSDautoturn-offtime.
OSDLeft/Right TomovetheOSDpositionhorizontallyonthescreen.
Whenthe+keyispressed,theOSDcontrolmenuwill
movetotherightsideofthescreen.Likewisewhenthe
-keyispressed,theOSDcontrolmenuwill moveto
theleftside.
OSDDown/Up TomovetheOSDpositionverticallyonthescreen.
Whenthe+keyispressed,theOSDcontrolmenuwill
movetotheupsideofthescreen.Likewisewhenthe-
keyispressed,theOSDcontrolmenuwill movetothe
lowerside.
---------------------------------------------------------------------------------------
Information Indicatesthecurrent resolution,H-Frequency,and
V-Frequency.
---------------------------------------------------------------------------------------

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T71W
TROUBLESHOOTING
BeforesendingyourLCD monitorforservicing,pleasecheck thetroubleshootinglist
belowtosee ifyou canself-diagnosetheproblem.
Problems CurrentStatus Remedy
No
Picture
LEDON UsingOSD,adjustbrightnessandcontrastto
maximumorresettotheirdefaultsettings.
LEDOFF Checkthepowerswitch.
CheckifACpowercordisproperly
connectedtothemonitor.
LEDdisplays
ambercolor
Checkifvideosignalcable isproperly
connectedattheback ofmonitor.
Checkifthepowerofcomputersystemis
ON.
Abnormal
Picture
UnstablePicture Checkifthespecificationofgraphicsadapter
andmonitorisincompliancewhichmaybe
causingtheinputsignalfrequencymismatch.
Displayismissing,
centershift, or
too small ortoo
largeindisplay
size
UsingOSD,adjustRESOLUTION,CLOCK,
CLOCK-PHASE,H-POSITIONandV-
POSITIONwithnon-standardsignals.
UsingOSD,incaseofmissingfull-screen
image,pleaseselectotherresolutionorother
verticalrefreshtiming.
Waitforafewsecondsafteradjustingthe
sizeoftheimagebeforechangingor
disconnectingthesignalcableorpowering
OFFthemonitor.
Abnormal
Sound
Nosound,or
soundlevel istoo
low
ChecktheaudiocablewiththehostPCis
connected.
CheckifthevolumesetupofthehostPCis
inminimumpositionandtrytoraisethe
volumelevel.