LG 47VS20 - Key Lock On message appears.; The screen image looks abnormal.; After-image appears on the product.

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ENGLISH
TROUBLESHOOTING
'Key Lock On' message appears.
Problem Resolution
The'KeyLockOn'message
appearswhenpressingthe
Menubutton.


TheLockfunctionpreventstheOSDsettingsfrombeingchanged
inadvertently.Toreleasethelock,gotoMenuandOptionanddisable
theKeyLockoption.
The screen image looks abnormal.
Problem Resolution
Isthescreenpositionwrong? 

D-Subanalogsignal-Pressthe"AUTO"buttonintheremotecontrol
toautomaticallyselecttheoptimalscreenstatusthatfitsintothe
currentmode.Ifadjustmentisnotsatisfactory,usethePositionOSD
menu.


Seeifthevideocardresolutionandfrequencyaresupportedbythe
product.Ifthefrequencyisoutofrange,settotherecommended
resolutionintheControlPanel"Display"Settingmenu.
Dothinlinesappearonthe
backgroundscreen?


D-Subanalogsignal-Pressthe"AUTO"buttonintheremotecontrol
toautomaticallyselectanoptimalscreenstatusthatfitsintothe
currentmode.Ifadjustmentisnotsatisfactory,usetheClockOSD
menu.
Horizontalnoiseappearsorthe
characterslookblurred.


D-Subanalogsignal-Pressthe"AUTO"buttonintheremotecontrol
toautomaticallyselectanoptimalscreenstatusthatfitsintothe
currentmode.Ifadjustmentisnotsatisfactory,usethePhaseOSD
menu.
Thescreenisdisplayed
abnormally.


Theproperinputsignalisnotconnectedtothesignalport.Connect
thesignalcablethatmatcheswiththesourceinputsignal.
After-image appears on the product.
Problem Resolution
After-imageappearswhenthe
productisturnedoff.


Ifyouuseafixedimageforalongtime,thepixelsmaybedamaged
quickly.Usethescreen-saverfunction.