LG 20M35TD User manual

www.lg.com
OWNER’S MANUAL
LED LCD MONITOR
20M35TD
Please read this manual carefully before operating
your set and retain it for future reference.
LED LCD MONITOR MODEL
ENGLISH

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TABLE OF CONTENTS
CONTENTS
3 ASSEMBLINGANDPREPAR-
ING
3 Unpacking
4 Partsandbuttons
5 SettinguptheMonitorset
5 - AttachingtheStandBase
5 - DetachingtheStandBase
6 - Mountingonatable
6 - Adjustingtheangle
7 - UsingtheKensingtonlockingdevice
8 - Mountingonawall
9 USINGTHEMONITORSET
9 ConnectingtoaPC
9 - D-SUBconnection
9 - DVI-Dconnection
11 CUSTOMIZINGSETTINGS
12 CustomizingSettings
12 - MenuSettings
13 -Picture
14 -Color
15 -Display
16 -Others
17 READERSetting
18 -SUPERENERGYSAVING
19 TROUBLESHOOTING
21 SPECIFICATIONS 
21 20M35TD
22 PresetModes(Resolution)
22 Indicator

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ASSEMBLING AND PREPARING
ASSEMBLINGANDPREPARING
Unpacking
Checkyourproductboxforthefollowingitems.Ifthereareanymissingaccessories,contactthelocal
dealerwhereyoupurchasedyourproduct.Theillustrationsinthismanualmaydifferfromtheactualproduct
andaccessories.
 Donotuseanyunapprovedaccessoriestoensurethesafetyandproductlifespan.
 Anydamagesorinjuriesbyusingunapprovedaccessoriesarenotcoveredbythewarranty.
 Theaccessoriessuppliedwithyourproductmayvarydependingonthemodel.
 Productspecificationsorcontentsinthismanualmaybechangedwithoutpriornoticeduetoupgrade
ofproductfunctions.
CAUTION
NOTE
StandBase StandBody
CD(Owner'sManual)/
Card
D-SUBCable
(Thiscableisnotincludedinall
countries.)
PowerCord
DVI-DCable
(Thiscableisnotincludedinall
countries.)

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ASSEMBLING AND PREPARING
Partsandbuttons
(PowerButton)
PowerIndicator
 LEDOn:Powerison
 LEDOff:Powerisoff
FrontSideButtons
InputConnectors(Seep.9)

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ASSEMBLING AND PREPARING
3
AttachtheStandBodytothemonitorset.
AttachtheStandBasetoStandBody.
Tightenthescrewtotherightwithacoin.
SettinguptheMonitorset
AttachingtheStandBase
1 PlacetheMonitorsetwiththescreenside
downonaflatandcushionedsurface.
Layafoammatorsoftprotectivecloth
onthesurfacetoprotectthescreenfrom
damage.
CAUTION
2
StandBase
StandBody
1
2
3
DetachingtheStandBase
1 PlacetheMonitorsetwiththescreenside
downonaflatandcushionedsurface.
1
StandBase
StandBase
StandBody
StandBody
Turnthescrewtotheleftwithacoin.
PullouttheStandBase.
PullouttheStandBodyfromthemonitor
set.
1
2
2

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ASSEMBLING AND PREPARING
Adjustingtheangle
1 Placethemonitormountedonthestandbase
inanuprightposition.
2 Adjusttheangleofthescreen.Theangleof
thescreencanbeadjustedupto5°forwards
and20°backwardsforacomfortableviewing
experience.
 Toavoidinjurytothefingerswhenadjusting
thescreen,donotholdthelowerpartofthe
monitor'sframeasillustratedbelow.
 Becarefulnottotouchorpressthescreen
areawhenadjustingtheangleofthemonitor.
WARNING
Mountingonatable
1 Liftthemonitorandplaceitonthetableinan
uprightposition.
Installatleast10cmawayfromthewallto
ensuresufficientventilation.
2
3 Pressthe (Power)buttononthefrontofthe
monitortoturnonthemonitor.
10 cm
10 cm
10 cm
10 cm
 Unplugthepowercordpriortomovingor
installingthemonitor.Thereisriskofelectric
shock.
CAUTION
FrontSideRearSide
ConnectthePowercordtothemonitor,then
plugthepowercordintothewalloutlet.

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ASSEMBLING AND PREPARING
Using the Kensington locking
device
TheconnectorfortheKensingtonlockislocated
ontherearofthemonitor.
Formoreinformationoninstallationandusage,
refertotheKensingtonlockusermanualorvisit
thewebsiteathttp://www.kensington.com.
ConnectthemonitortothetablewiththeKensing-
tonlockcable.
 UsingtheKensingtonlockisoptional.The
accessoriescanbepurchasedatyourlocal
electronicsstore.
NOTE

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ASSEMBLING AND PREPARING
Mountingonawall
Forproperventilation,allowaclearanceof10cm
oneachsideandfromthewall.Detailed
instructionsareavailablefromyourdealer,seethe
optionalTiltWallMountingBracketInstallationand
SetupGuide.
IfyouintendtomounttheMonitorsettoawall,
attachWallmountinginterface(optionalparts)to
thebackoftheset.
WhenyouinstalltheMonitorsetusingawall
mountinginterface(optionalparts),attachit
carefullysoitwillnotdrop.
1Please,Usethescrewandwallmountinterface
inaccordancewithVESAStandards.
2Ifyouusescrewlongerthanstandard,the
monitormightbedamagedinternally.
3Ifyouuseimproperscrew,theproductmightbe
damagedanddropfrommountedposition.In
thiscase,LGElectronicsisnotresponsiblefor
it.
4VESAcompatible.
5PleaseuseVESAstandardasbelow.
 784.8mm(30.9inch)andunder
*WallMountPadThickness:2.6mm
*Screw:Φ4.0mmxPitch0.7mmx
Length10mm
 787.4mm(31.0inch)andabove
*PleaseuseVESAstandardwallmountpad
andscrews.
10 cm
10 cm
10 cm
10 cm
 Disconnectthepowercordfirst,andthen
moveorinstalltheMonitorset.Otherwise
electricshockmayoccur.
 IfyouinstalltheMonitorsetonaceilingor
slantedwall,itmayfallandresultinsevere
injury.
 UseonlyanauthorizedLGwallmount
andcontactthelocaldealerorqualified
personnel.
 Donotovertightenthescrewsasthismay
causedamagetotheMonitorsetandvoid
yourwarranty.
 Useonlyscrewsandwallmountsthat
meettheVESAstandard.Anydamages
orinjuriesbymisuseorusinganimproper
accessoryarenotcoveredbythewarranty.
 UsethescrewsthatarelistedontheVESA
standardscrewspecifications.
 Thewallmountkitwillincludeaninstallation
manualandnecessaryparts.
 Thewallmountbracketisoptional.Youcan
obtainadditionalaccessoriesfromyourlocal
dealer.
 Thelengthofscrewsmaydifferdepending
onthewallmount.Besuretousetheproper
length.
 Formoreinformation,refertothe
instructionssuppliedwiththewallmount.
CAUTION
NOTE
Model
VESA(AxB) 100x100
Standardscrew M4
Numberofscrews 4
20M35TD

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USING THE MONITOR SET
USINGTHEMONITORSET
ConnectingtoaPC
 YourMonitorsetsupportsPlug&Play*.
*Plug&Play:APCrecognizesaconnected
devicethatusersconnecttoaPCandturn
on,withoutdeviceconfigurationoruser
intervention.
D-SUBconnection
TransmitsanalogvideofromyourPCtothe
Monitorset.ConnectthePCandtheMonitorset
withthesuppliedD-sub15pinsignalcableas
showninthefollowingillustrations.
 Macadapter
ForAppleMacintoshuse,aseparateplug
adapterisneededtochangethe15pin
highdensity(3row)D-SUBVGAconnector
onthesuppliedcabletoa15pin2row
connector.
 WhenusingaD-Subsignalinputcable
connectorforMacintosh
NOTE
 IfyouuseHDMIPC,itcancausecompatibility
problem.
 WhenyouwanttousetwoPCinourMonitor,
pleaseconnectthesignalcable(D-SUB/
DVI-D)respectivelyinMonitorset.
 IfyouturntheMonitorsetonwhileitiscold,
thescreenmayflicker.Thisisnormal.
 Somered,green,orbluespotsmayappear
onthescreen.Thisisnormal.
NOTE
 Connectthesignal
inputcableandtighten
itbyturningthescrews
clockwise.
 Donotpressthescreen
withyourfingerforalongtimeasthismay
resultintemporarydistortiononthescreen.
 Avoiddisplayingafixedimageonthe
screenforalongperiodoftimetoprevent
imageburn.Useascreensaverifpossible.
CAUTION
DVI-Dconnection
TransmitsadigitalvideosignalfromyourPCto
theMonitorset.ConnectthePCandtheMonitor
setwithaDVIcableasshowninthefollowing
illustrations.

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USING THE MONITOR SET
 "SelfImageSetting"Function.
Thisfunctionprovidestheuserwithoptimal
displaysettings.Whentheuserconnects
themonitorforthefirsttime,thisfunction
automaticallyadjuststhedisplaytooptimal
settingsforindividualinputsignals.(Only
supportedinAnalogMode)
 ‘AUTO’Function.
Whenyouencounterproblemssuchas
blurryscreen,blurredletters,screenflicker
ortiltedscreenwhileusingthedeviceor
afterchangingscreenresolution,pressthe
AUTOfunctionbuttontoimproveresolution.
(OnlysupportedinAnalogMode)
NOTE
SelfImageSettingFunction
Pressthepowerbuttononthebottompanelto
turnthepoweron.Whenmonitorpoweristurned
on,the"SelfImageSetting"Functionisexecuted
automatically.(OnlysupportedinAnalogMode)

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CUSTOMIZING SETTINGS
CUSTOMIZINGSETTINGS
1 PressthedesiredbuttononthebottomoftheMonitorset.
2 ChangethevalueofthemenuitembypressingthebuttonsonthebottomoftheMonitorset.
Toreturntotheuppermenuorsetothermenuitems,usetheuparrow( )button.
3 SelectEXITtoleavetheOSDmenu.
MonitorsetButtons
Button Description
Accessesthemainmenus.(Seep.12)
OSDLocked/OSD
Unlocked
Thisfunctionallowyoutolockthecurrentcontrolsettings,so
thattheycannotbeinadvertentlychanged.
PressandholdtheMENUbuttonforseveralseconds.Then
OSDof“OSDLock”willappear.Afterthat,usercanselect
lockorunlockbypressingleft/rightbutton.
Ifuserselectsthe“Lock”iconbypressingthe“OK”button,
themessage“OSDLocked”willappear.Otherwise,“OSD
Unlocked”willappear.Afterselectingthe“Lock”,Ifyouwant
tochangetoUnlock,youcanpushthe“MENU”buttonfor
severalseconds.Themessage“OSDUnlocked”willappear.
UsethisbuttontoenterReaderModemenu.Itsfunctionworkstodisplayscreenas
paper-likepictureforEyecomfort.Ifyouwanttomoreinformation.(Seep.17)
UsethisbuttontoenterSUPERENERGYSAVINGmenu.(Seep.18)
Whenadjustingyourdisplaysettings,alwayspresstheAUTObuttonontheMONITOR
SETUPOSD.(OnlysupportedinAnalogMode)
Thebestdisplaymode 1600x900
Youcanchoosetheinputsignal.
• Whentwoinputsignalsareconnected,youcanselecttheinputsignal(D-SUB/DVI-D)
youwant.
• Whenonlyonesignalisconnected,itisautomaticallydetected.Thedefaultsettingis
D-SUB.
EXIT
ExittheOSD(OnScreenDisplay).
(PowerButton) Turnsthepoweronoroff.
PowerIndicator Thepowerindicatorstayswhiteifthedisplayisrunning
properly(OnMode).IfthedisplayisinSleepMode,thepower
indicatorblinkswhite.

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CUSTOMIZING SETTINGS
CustomizingSettings
MenuSettings
1 PressMENUbuttononthebottomoftheMonitorset
todisplaytheMenuOSD.
2 Settheoptionsbypressingthe◄or►or▼
buttons.
3 Selectthe"NextMenu"buttontoenterthemore
optionsettings.
4 SelectEXITtoleavetheOSDmenu.
Toreturntotheuppermenuorsetothermenuitems,
usetheuparrow( )button.
Eachoptionisexplainedbelow.
Menu>NextMenu Analog Digital Description
Picture Sharpness ● ● Toadjusttheclearnessofthescreen
Color Gamma ● ● Tocustomizethecolorofthescreen
ColorTemp
Display Horizontal ●Toadjustthepositionofthescreen
Vertical
Clock ●Toimprovetheclarityandstabilityofthescreen
Phase
Others Language ● ● Tocustomizethescreenstatusforauser'soperating
environment
PowerIndicator
OffTimeSetting ● ●
 Analog:D-SUB(Analogsignal)input.
 Digital:DVI-D(Digitalsignal)input.
Menu Analog Digital Description
Brightness ● ● Toadjustthebrightnessofthescreen
Contrast ● ● Toadjustthecontrastofthescreen.
Wide/Original
● ●
Wide
Switchtofullscreenmodeaccordingtoinputimagesignal.
Original
Changetheinputimagesignalratiotooriginal.
*ThisfunctionworksonlyifinputresolutionislowerthanMonitorsetratio(16:9).
Reset ● ● Restoreallfactorydefaultsettings.Pressthe◄,►buttonstoresetimmediately.

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CUSTOMIZING SETTINGS
Picture
1 PressMENUbuttononthebottomoftheMonitorset
todisplaytheMenuOSD.
2 Selectthe"NextMenu"buttontoenterthemore
optionsettings.
3 EntertoPicturebypressingthe▼button.
4 Settheoptionsbypressingthe◄or►buttons.
5 SelectEXITtoleavetheOSDmenu.
Toreturntotheuppermenuorsetothermenuitems,
usetheuparrow( )button.
Eachoptionisexplainedbelow.
Menu>NextMenu>Picture Description
Sharpness Toadjusttheclearnessofthescreen.

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CUSTOMIZING SETTINGS
Color
1 PressMENUbuttononthebottomoftheMonitorset
todisplaytheMenuOSD.
2 Selectthe"NextMenu"buttontoenterthemore
optionsettings.
3 SelectColorbypressingthe►button.
4 EntertoColorbypressingthe▼button.
5 Settheoptionsbypressingthe◄or►or▼
buttons.
6 SelectEXITtoleavetheOSDmenu.
Toreturntotheuppermenuorsetothermenuitems,
usetheuparrow( )button.
Eachoptionisexplainedbelow.
Menu>NextMenu>Color Description
Gamma Setyourowngammavalue.:Gamma0,Gamma1,Gamma2onthe
monitor,highgammavaluesdisplaywhitishimagesandlowgammavalues
displayblackishimages.
ColorTemp Custom
•Red:Setyourownredcolorlevels.
•Green:Setyourowngreencolorlevels.
•Blue:Setyourownbluecolorlevels.
Selectthescreencolor.
Warm:Setthescreentowarmcolortemperature(morered).
Medium:Setthescreentomediumcolortemperature.
Cool:Setthescreentocoolcolortemperature(moreblue).

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CUSTOMIZING SETTINGS
Display
1 PressMENUbuttononthebottomoftheMonitorset
todisplaytheMenuOSD.
2 Selectthe"NextMenu"buttontoenterthemore
optionsettings.
3 SelectDisplaybypressingthe►button.
4 EntertoDisplaybypressingthe▼button.
5 Settheoptionsbypressingthe◄or►or▼
buttons.
6 SelectEXITtoleavetheOSDmenu.
Toreturntotheuppermenuorsetothermenuitems,
usetheuparrow( )button.
Eachoptionisexplainedbelow.
Menu>NextMenu>Display Description
Horizontal Tomoveimageleftandright.
Vertical Tomoveimageupanddown.
Clock Tominimizeanyverticalbarsorstripesvisibleonthescreenbackground.The
horizontalscreensizewillalsochange.
Phase Toadjustthefocusofthedisplay.Thisitemallowsyoutoremoveanyhorizontal
noiseandclearorsharpentheimageofcharacters.

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CUSTOMIZING SETTINGS
Others
1 PressMENUbuttononthebottomoftheMonitorset
todisplaytheMenuOSD.
2Selectthe"NextMenu"buttontoenterthemore
optionsettings.
3 SelectOthersbypressingthe►button.
4 EntertoOthersbypressingthe▼button.
5 Settheoptionsbypressingthe◄or►or▼
buttons.
6 SelectEXITtoleavetheOSDmenu.
Toreturntotheuppermenuorsetothermenuitems,
usetheuparrow( )button.
Eachoptionisexplainedbelow.
Menu>NextMenu>Others Description
Language Tochoosethelanguageinwhichthecontrolnamesaredisplayed.
PowerIndicator Usethisfunctiontosetthepowerindicatoronthebottomsideofthemonitorto
OnorOff.IfyousetOff,itwillgooff.
IfyousetOnatanytime,thepowerindicatorwillautomaticallybeturnedon.
OffTimeSetting Themonitorsetwillswitchtopoweroffmodeafterthetimetobechosenbyuser
(1~24hours)

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CUSTOMIZING SETTINGS
READERSetting
1 PressREADERbuttononthebottomoftheMonitor
settodisplaytheReaderModeOSD.
2 Settheoptionsbypressingthe◄buttons.
ReaderMode Description
Reader1 Itisamodethatthescreenisadjustedtothebestforthenewspaper.Ifyou
wantscreenmorebright,youcancontrolbrightnessinMenuOSD.
Reader2 Itisamodethatthescreenisadjustedtothebestforthecartoon.Ifyouwant
screenmorebright,youcancontrolbrightnessinMenuOSD.
ReaderOff Itisamodethatreadermodeisoff.
Eachoptionisexplainedbelow.

NOTE
IfoptionofReaderModeisReader1orReader2,SuperEnergySavingwillautomaticallybeOff.

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CUSTOMIZING SETTINGS
 SavingDatadependsonthePanel.So,thosevaluesshouldbedifferentfromeachpanelandpanel
vendor.IfoptionofSuperEnergySavingisHighorLow,monitorluminancebecomehigherorlower
dependonsource.
 IfoptionofSuperEnergySavingisHighorLow,ReaderModewillautomaticallybeReaderOff.
NOTE
SUPERENERGYSAVING
1PressbuttononthebottomoftheMonitorsetto
displaytheSUPERENERGYSAVINGOSD.
2 Settheoptionsbypressingthe►buttons.
Eachoptionisexplainedbelow.
SUPERENERGYSAVING Description
High EnablesSUPERENERGYSAVINGyoucansaveenergywiththisenergy-highefficientfunction.
Low EnablesSUPERENERGYSAVINGyoucansaveenergywiththisenergy-lowefficientfunction.
Off DisablesSUPERENERGYSAVING.
*SUPERENERGYSAVING:Conserveenergybyusingluminancecompensationalgorithm.

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TROUBLESHOOTING
TROUBLESHOOTING
Checkthefollowingbeforecallingforservice.
Noimageappears
Isthepowercordofthedisplay
connected?

Checkandseeifthepowercordisconnectedproperlytothepower
outlet.
Isthepowerindicatorlighton? 
PressthePowerbutton.
Isthepoweronandthepower
indicatorWhite?

Adjustthebrightnessandthecontrast.
Isthepowerindicatorflickering? 
Ifthedisplayisinpowersavingmode,trymovingthemouseor
pressinganykeyonthekeyboardtobringupthescreen.

TrytoturnonthePC.
Doyouseean"OUTOFRANGE"
messageonthescreen?

ThismessageappearswhenthesignalfromthePC(videocard)is
outofhorizontalorverticalfrequencyrangeofthedisplay.Seethe
'Specifications'sectionofthismanualandconfigureyourdisplay
again.
Doyouseea"NOSIGNAL"
messageonthescreen?

Whenthemonitorison"No-Signal"in5minutes,themonitorgoesto
DPMmode.
Doyouseea"OSDLOCKED"messageonthescreen?
Doyousee“OSDLOCKED”when
youpushMENUbutton?

Youcansecurethecurrentcontrolsettings,sothattheycannotbe
inadvertentlychanged.YoucanunlocktheOSDcontrolsatanytime
bypushingtheMENUbuttonforseveralseconds:themessage“OSD
UNLOCKED”willappear.
Displayimageisincorrect
DisplayPositionisincorrect. 
PresstheAUTObuttontoautomaticallyadjustyourdisplayimageto
theidealsetting.
Onthescreenbackground,vertical
barsorstripesarevisible.

PresstheAUTObuttontoautomaticallyadjustyourdisplayimageto
theidealsetting.
Anyhorizontalnoiseappearingin
anyimageorcharactersarenot
clearlyportrayed.

PresstheAUTObuttontoautomaticallyadjustyourdisplayimageto
theidealsetting.

CheckControlPanel►Display►Settingsandadjustthedisplay
totherecommendedresolutionoradjustthedisplayimagetotheideal
setting.Setthecolorsettinghigherthan24bits(truecolor).

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TROUBLESHOOTING
Displayimageisincorrect
Thescreencolorismonoor
abnormal.

Checkifthesignalcableisproperlyconnectedanduseascrewdriver
tofastenifnecessary.

Makesurethevideocardisproperlyinsertedintheslot.

Setthecolorsettinghigherthan24bits(truecolor)atControlPanel
►Settings.
Thescreenblinks. 
Checkifthescreenissettointerlacemodeandifyes,changeittothe
recommendresolution.
Doyouseean"Unrecognizedmonitor,Plug&Play(VESADDC)monitorfound"message?
Haveyouinstalledthedisplay
driver?

BesuretoinstallthedisplaydriverfromthedisplaydriverCD(or
diskette)thatcomeswithyourdisplay.Or,youcanalsodownloadthe
driverfromourwebsite:http://www.lg.com.

MakesuretocheckifthevideocardsupportsPlug&Playfunction.
 CheckControlPanel►Display►Settingsandseeifthefrequencyortheresolutionwere
changed.Ifyes,readjustthevideocardtotherecommendresolution.
 Iftherecommendedresolution(optimalresolution)isnotselected,lettersmaybeblurredandthe
screenmaybedimmed,truncatedorbiased.Makesuretoselecttherecommendresolution.
 ThesettingmethodcandifferbycomputerandO/S(OperationSystem),andresolutionmentioned
abovemaynotbesupportedbythevideocardperformance.Inthiscase,pleaseasktothecomputer
orthevideocardmanufacturer.
CAUTION