Asus PA238QR User manual

PA238QR Series
LCD Monitor
User Guide

ii
Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless
such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,
LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY
DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO
RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS
MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies, and are used only for identication or explanation and to the
owners’ benet, without intent to infringe.
Table of contents
Notices......................................................................................................... iii
Safety information ...................................................................................... iv
Care & Cleaning........................................................................................... v
1.1 Welcome! ...................................................................................... 1-1
1.2 Package contents......................................................................... 1-1
1.3 Monitor introduction .................................................................... 1-2
1.3.1 Front of the LCD monitor ................................................ 1-2
1.3.2 Rear of the LCD monitor ................................................. 1-4
2.1 Detaching the arm/stand
(for VESA wall mount) ..............................................................2-1
2.2 Adjusting the monitor.................................................................. 2-2
2.3 Connecting the cables................................................................. 2-3
3.1 OSD (On-Screen Display) menu ................................................. 3-1
3.1.1 Howtorecongure.......................................................... 3-1
3.1.2 OSDFunctionIntroduction.............................................. 3-2
3.2 Specications............................................................................... 3-7
3.3 Troubleshooting (FAQ)................................................................ 3-8
3.4 Supported Timing List........................................................................3-9

iii
Notices
Federal Communications Commission Statement
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubject
tothefollowingtwoconditions:
• Thisdevicemaynotcauseharmfulinterference,and
• Thisdevicemustacceptanyinterferencereceivedincluding
interferencethatmaycauseundesiredoperation.
Thisequipmenthasbeentestedandfoundtocomplywiththelimitsfora
ClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimits
aredesignedtoprovidereasonableprotectionagainstharmfulinterference
inaresidentialinstallation.Thisequipmentgenerates,usesandcan
radiateradiofrequencyenergyand,ifnotinstalledandusedinaccordance
withmanufacturer’sinstructions,maycauseharmfulinterferencetoradio
communications.However,thereisnoguaranteethatinterferencewill
notoccurinaparticularinstallation.Ifthisequipmentdoescauseharmful
interferencetoradioortelevisionreception,whichcanbedeterminedby
turningtheequipmentoffandon,theuserisencouragedtotrytocorrect
theinterferencebyoneormoreofthefollowingmeasures:
• Reorientorrelocatethereceivingantenna.
• Increasetheseparationbetweentheequipmentandreceiver.
• Connecttheequipmenttoanoutletonacircuitdifferentfromthatto
whichthereceiverisconnected.
• Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
AsanEnergyStar® Partner,ourcompanyhasdetermined
thatthisproductmeetstheEnergyStar® guidelinesfor
energyefciency.
Canadian Department of Communications Statement
ThisdigitalapparatusdoesnotexceedtheClassBlimitsforradio
noiseemissionsfromdigitalapparatussetoutintheRadioInterference
RegulationsoftheCanadianDepartmentofCommunications.
ThisclassBdigitalapparatuscomplieswithCanadianICES-003.

iv
Safety information
• Beforesettingupthemonitor,carefullyreadallthedocumentationthat
camewiththepackage.
• Topreventfireorshockhazard,neverexposethemonitortorainor
moisture.
• Nevertrytoopenthemonitorcabinet.Thedangeroushighvoltages
insidethemonitormayresultinseriousphysicalinjury.
• Ifthepowersupplyisbroken,donottrytofixitbyyourself.Contacta
qualifiedservicetechnicianoryourretailer.
• Beforeusingtheproduct,makesureallcablesarecorrectlyconnected
andthepowercablesarenotdamaged.Ifyoudetectanydamage,
contactyourdealerimmediately.
• Slotsandopeningsonthebackortopofthecabinetareprovidedfor
ventilation.Donotblocktheseslots.Neverplacethisproductnearor
overaradiatororheatsourceunlessproperventilationisprovided.
• Themonitorshouldbeoperatedonlyfromthetypeofpowersource
indicatedonthelabel.Ifyouarenotsureofthetypeofpowersupplyto
yourhome,consultyourdealerorlocalpowercompany.
• Usetheappropriatepowerplugwhichcomplieswithyourlocalpower
standard.
• Donotoverloadpowerstripsandextentioncords.Overloadingcan
resultinfireorelectricshock.
• Avoiddust,humidity,andtemperatureextremes.Donotplacethe
monitorinanyareawhereitmaybecomewet.Placethemonitorona
stablesurface.
• Unplugtheunitduringalightningstormorifitwillnotbeusedfora
longperiodoftime.Thiswillprotectthemonitorfromdamagedueto
powersurges.
• Neverpushobjectsorspillliquidofanykindintotheslotsonthe
monitorcabinet.
• Toensuresatisfactoryoperation,incaseuseataPCthenitshould
usethemonitoronlywithcomputerswhichhaveappropriate
configuredreceptaclesmarkedbetween100-240VAC.
• Ifyouencountertechnicalproblemswiththemonitor,contacta
qualifiedservicetechnicianoryourretailer.
• Thewallsocketshallbeinstalledneartheequipmentandshallbe
easilyaccessible.

v
Care & Cleaning
• Beforeyouliftorrepositionyourmonitor,itisbettertodisconnectthe
cablesandpowercord.Followthecorrectliftingtechniqueswhen
positioningthemonitor.Whenliftingorcarryingthemonitor,graspthe
edgesofthemonitor.Donotliftthedisplaybythestandorthecord.
• Cleaning.Turnyourmonitoroffandunplugthepowercord.Cleanthe
monitorsurfacewithalint-free,non-abrasivecloth.Stubbornstains
mayberemovedwithaclothdampenedwithmildcleaner.
• Avoidusingacleanercontainingalcoholoracetone.Useacleaner
intendedforusewiththeLED.Neverspraycleanerdirectlyonthe
screen,asitmaydripinsidethemonitorandcauseanelectricshock.
The following symptoms are normal with the monitor:
• Thescreenmayflickerduringtheinitialuseduetothenatureofthe
fluorescentlight.TurnoffthePowerSwitchandturnitonagainto
makesurethattheflickerdisappears.
• Youmayfindslightlyunevenbrightnessonthescreendependingon
thedesktoppatternyouuse.
• Whenthesameimageisdisplayedforhours,anafterimageofthe
previousscreenmayremainafterswitchingtheimage.Thescreenwill
recoverslowlyoryoucanturnoffthePowerSwitchforhours.
• Whenthescreenbecomesblackorflashes,orcannotworkanymore,
contactyourdealerorservicecentertofixit.Donotrepairthescreen
byyourself!
Conventions used in this guide
WARNING:Informationtopreventinjurytoyourselfwhentryingto
completeatask.
CAUTION:Informationtopreventdamagetothecomponentswhen
tryingtocompleteatask.
IMPORTANT:InformationthatyouMUSTfollowtocompleteatask.
NOTE:Tipsandadditionalinformationtoaidincompletingatask.

vi
Wheretondmoreinformation
Refertothefollowingsourcesforadditionalinformationandforproductand
softwareupdates.
1. ASUS websites
TheASUSwebsitesworldwideprovideupdatedinformationonASUS
hardwareandsoftwareproducts.Refertohttp://www.asus.com
2. Optional documentation
Yourproductpackagemayincludeoptionaldocumentationthatmayhave
beenaddedbyyourdealer.Thesedocumentsarenotpartofthestandard
package.

1-1ASUSLCDMonitorPA238QRSeries
1.1 Welcome!
ThankyouforpurchasingtheASUS®PA238QRSeriesLCDmonitor!
ThelatestwidescreenLCDmonitorfromASUSprovidesacrisper,broader,and
brighterdisplay,plusahostoffeaturesthatenhanceyourviewingexperience.
Withthesefeatures,youcanenjoytheconvenienceanddelightfulvisual
experiencethatthePA238QRSeriesbringsyou!
1.2 Package contents
CheckyourPA238QRSeriesLCDmonitorpackageforthefollowingitems:
LCD monitor
 PowerCord
 VGACable
 DVICable
 USBCable
 CableTie
 SupportCD
 QuickStartGuide
 WarrantyCard
Ifanyoftheaboveitemsisdamagedormissing,contactyourretailer
immediately.

1-2 Chapter1:ProductIntroduction
1.3 Monitor introduction
1.3.1 Front of the LCD monitor
4
5
6
3
2
1
1. Humansensor
• Humansensorwilldetectuser’spresenceinfrontofthemonitorscreen.
Itwillautomaticallyswitchthemonitorintopowersavingmodewhenit
doesnotdetectanyoneinfrontofthemonitorwithinthe50cmto70cm
effectiverangeforlongerthan60seconds.Whentheusercomesback,
thepowerresumesautomaticallywhenitdetectstheuser’spresence.
ThedefaultsettingofHumansensoris“Medium”.Usercanadjustthe
sensitivitybasedonhis/herphysiqueortheenvironment.Usercould
alsoswitchoffHumansensorfunction.
• Pleasedonotputanyobjectontherightsideofthemonitortoavoidany
interference.
• PleasemakesurethattheHumanSensorisnotplacedanywherehigher
thantheuser’sshoulder
2. Button:
• Automaticallyadjusttheimagetoitsoptimizedposition,clock,and
phasebylongpressingthisbuttonfor2-4seconds(forVGAmodeonly).
• Usethishotkeytoswitchfromsixvideopresetmodes(SceneryMode,
StandardMode,TheaterMode,GameMode,NightViewMode,and
sRGBMode)withSPLENDID™VideoIntelligenceTechnology.

1-3ASUSLCDMonitorPA238QRSeries
• ExittheOSDmenuorgobacktothepreviousmenuastheOSDmenu
isactive.
3. Button:
• Pressthisbuttontoincreasethevalueofthefunctionselectedormove
right/uptothenextfunction.
• ThisisalsoahotkeyforBrightnessadjustment.
4. MENUButton:
• PressthisbuttontoentertheOSDmenu.
• Pressthisbuttontoenter/selecttheicon(function)highlightedwhilethe
OSDisactivated.
5. Button:
• Pressthisbuttontodecreasethevalueofthefunctionselectedormove
tothenextfunction.
• UsethishotkeytoswitchfromVGA,DVI,HDMIandDisplayPortinput
signal.
6. PowerButton/PowerIndicator:
• Pressthisbuttontoturnthemonitoron/off.
• Thecolordefinitionofthepowerindicatorisasthebelowtable.
Status Description
White ON
Amber Standbymode
OFF OFF

1-4 Chapter1:ProductIntroduction
1.3.2 Rear of the LCD monitor
4321 5 6 8 9 107
11
Rear connectors
1. AC-INport:Thisportconnectsthepowercord.
2. Powerswitch:Pressthisswitchtoturnon/offpower.
3. DisplayPort.ThisportisforconnectionwithaDisplayPortcompatible
device.
4. HDMIport:ThisportisforconnectionwithanHDMIcompatible
device.
5. DVIport:This24-pinportisforPC(PersonalComputer)DVI-Ddigital
signalconnection.
6. VGAport:This15-pinportisforPCVGAconnection.
7. AudioLine-inPort:
8. USBupstreamport:ThisportisforconnectionwithaUSBupstream
cable.
9. USBdownstreamports:TheseportsareforconnectionwithUSB
devices,suchasUSBkeyboard/mouse,USBashdrive,etc.

1-5ASUSLCDMonitorPA238QRSeries
10. Kensingtonlockslot.
11. USBdownstreamports:TheseportsareforconnectionwithUSB
devices,suchasUSBkeyboard/mouse,USBashdrive,etc.

2-1 Chapter2:Setup
2.1 Detaching the arm/stand
(for VESA wall mount)
ThedetachablestandofthismonitorisspeciallydesignedforVESAwallmount.
Todetachthearm/stand:
1. Disconnectpowerandsignalcables.Carefullyputthefrontofthe
monitorfacedownonacleantable.
2. Useascrewdrivertoremovethefourscrewsonthearm(Figure1),
andthendetachthearm/standfromthemonitor(Figure2).
• Werecommendthatyoucoverthetablesurfacewithsoftclothtoprevent
damagetothemonitor.
• Holdthestandofthemonitorwhileremovingthescrews.
Figure1 Figure2
• TheVESAwallmountkit(100x100mm)ispurchasedseparately.
• UseonlytheULListedWallMountBracketwithminimumweight/load22.7
kg(Screwsize:4x10mm).

2-2ASUSLCDMonitorPA238QRSeries
2.2 Adjusting the monitor
• Foroptimalviewing,werecommendthatyoulookatthefullfaceofthe
monitor,thenadjustthemonitortotheanglethatismostcomfortable
foryou.
• Holdthestandtopreventthemonitorfromfallingwhenyouchangeits
angle.
• Youcanadjustthemonitor’sanglefrom+20˚to-5˚anditallows60˚
swiveladjustmentfromeitherleftorright.Youcanalsoadjustthe
monitor’sheightwithin+/-10cm.
10cm
-5° ~ +20°
60°
0°
60°
Pivoting the monitor
1. Liftthemonitortothehighestposition.
2. Tiltthemonitortoitsmaximumangle.
3. Pivotthemonitorclockwisetotheangleyouneed.
-5° ~ +20°
Itisnormalthatthemonitorslightlyshakeswhileyouadjusttheviewingangle.

2-3 Chapter3:GeneralInstruction
2.3 Connecting the cables
Connectthecablesasthefollowinginstructions:
• To connect the power cord:Connectoneendofthepowercord
securelytothemonitor’sACinputport,theotherendtoapoweroutlet.
• To connect the VGA/HDMI/DVI/DisplayPort cable:
a.PlugoneendoftheVGA/HDMI/DVI/DisplayPortcabletothemonitor’sVGA/
HDMI/DVI/DisplayPortjack.
b.ConnecttheotherendoftheVGA/HDMI/DVI/DisplayPortcabletoyour
computer’sVGA/HDMI/DVI/DisplayPortjack.
c.TightenthetwoscrewstosecuretheVGA/DVIconnector.
• To connect the audio cable: Plugoneendoftheaudiocabletothe
monitor’sAudioLine-inPort . Connecttheotherendoftheaudiocabletoyour
computer’saudioPort.
• To use the USB ports:Plugthesmallerend(typeB)oftheUSB
upstreamcabletothemonitor’sUSBupstreamport,andthelargerend
(typeA)toyourcomputer’sUSBport.
Whenthesecablesareconnected,youcanchoosethedesiredsignalfromthe
InputSelectitemintheOSDmenu.

3-1ASUSLCDMonitorPA238QRSeries
3.1 OSD (On-Screen Display) menu
3.1.1 Howtorecongure
PA238
Splendid
Color
Image
Sound
Input Select
Move Menu Exit
System Setup
Scenery Mode
Standard Mode
Theater Mode
Game Mode
sRGB
Night View Mode
1. PresstheMENUbuttontoactivatetheOSDmenu.
2. Pressandtonavigatethroughthefunctions.Highlightandactivate
thedesiredfunctionbypressingtheMENUbutton.Ifthefunctionselected
hasasub-menu,pressandagaintonavigatethroughthesub-menu
functions.Highlightandactivatethedesiredsub-menufunctionbypressing
theMENUbutton.
3. Pressandtochangethesettingsoftheselectedfunction.
4. ToexittheOSDmenu,pressthe button.Repeatstep2andstep3to
adjustanyotherfunction.

3-2 Chapter3:GeneralInstruction
3.1.2 OSD Function Introduction
1. Splendid
Thisfunctioncontainssixsub-functionsthatyoucanselectforyour
preference.EachmodehastheResetselection,allowingyoutomaintain
yoursettingorreturntothepresetmode.
PA238
Splendid
Color
Image
Sound
Input Select
Move Menu Exit
System Setup
Scenery Mode
Standard Mode
Theater Mode
Game Mode
sRGB
Night View Mode
• Scenery Mode:Thisisthebestchoiceforsceneryphoto
displayingwithSPLENDID™VideoIntelligence.
• Standard Mode:Thisisthebestchoicefordocumenteditingwith
SPLENDID™VideoIntelligence.
• Theater Mode:Thisisthebestchoiceformoviewatchingwith
SPLENDID™VideoIntelligence.
• Game Mode:Thisisthebestchoiceforgameplayingwith
SPLENDID™VideoIntelligence.
• Night View Mode:Thisisthebestchoiceforplayingdark-scene
gameorwatchingmoviewithSPLENDID™VideoIntelligence.
• sRGB:Thisisthebestchoiceforviewingphotosandgraphics
fromPCs.
• IntheStandard Mode,theSaturation,Skin Tone,Sharpness,and
ASCRfunctionsarenotuser-configurable.
• InthesRGB,theSaturation,Color Temp.,Skin Tone,Sharpness,and
ASCRfunctionsarenotuser-congurable.

3-3ASUSLCDMonitorPA238QRSeries
2. Color
Selecttheimagecoloryoulikefromthisfunction.
PA238
Splendid
Color
Image
Sound
Input Select
Move Menu Exit
System Setup
Brightness
Contrast
Saturation
Color Temp.
100
80
User Mode
Skin Tone
50
Natural
• Brightness:Theadjustingrangeisfrom0to100.The
buttonisalsoahotkeytoactivatethisfunction.
• Contrast:Theadjustingrangeisfrom0to100.
• Saturation:Theadjustingrangeisfrom0to100.
• Color Temp.:Containthreepresetcolormodes(Cool,Normal,
Warm)andoneUserMode.
• Skin Tone:ContainthreecolormodesincludingReddish,Natural,
andYellowish.
IntheUserMode,colorsofR(Red),G(Green),andB(Blue)are
userconfigurable;theadjustingrangeisfrom0~100.

3-4 Chapter3:GeneralInstruction
3. Image
YoucanadjusttheimageSharpness,TraceFree,AspectControl,Position
(VGAonly),andFocus(VGAonly)fromthismainfunction.
PA238
Splendid
Color
Image
Sound
Input Select
Move Menu Exit
System Setup Focus
Sharpness
Trace Free
Aspect Control
ASCR
50
60
Full
Position
OFF
• Sharpness:Adjustthepicturesharpness.Theadjustingrangeis
from0to100.
• Trace Free:SpeeduptheresponsetimebyOverDrive
technology.Theadjustingrangeisfromlower0tofaster100.
• Aspect Control:Adjusttheaspectratioto“Full”,“4:3”,or“Over
Scan”(onlyavailableforHDMIinput).
• ASCR:SelectONorOFFtoenableordisabledynamiccontrast
ratiofunction.
• Position:Adjustthehorizontalposition(H-Position)andthe
verticalposition(V-Position)oftheimage.Theadjustingrangeis
from0to100(onlyavailableforVGAinput).
• Focus:ReduceHorizontal-linenoiseandVertical-linenoiseofthe
imagebyadjusting(Phase)and(Clock)separately.Theadjusting
rangeisfrom0to100(onlyavailableforVGAinput).

3-5ASUSLCDMonitorPA238QRSeries
4. Sound
Adjustthesoundsettingstoyourpreference.
PA238
Splendid
Color
Image
Sound
Input Select
Move Menu Exit
System Setup
Volume
Mute
Source
50
OFF
Line In
• Volume:Adjusttheoutputvolumelevel.
• Mute:Mutetheoutputvolume.
• Source:Adjustaudiosourceto“LineIn”or“HDMI”(onlyavailable
forHDMIinput);
Adjustaudiosourceto“LineIn”or“DisplayPort”(onlyavailablefor
DisplayPortinput).
5. Input Select
SelecttheinputsourcefromVGA,DVI,HDMI,orDisplayPort.
PA238
Splendid
Color
Image
Sound
Input Select
Move Menu Exit
System Setup
VGA
DVI
HDMI
DisplayPort

3-6 Chapter3:GeneralInstruction
6. System Setup
Adjuststhesystemconfiguration.
PA238
Splendid
Color
Image
Sound
Input Select
Move Menu Exit
System Setup
Information
All Reset
Splendid Demo Mode OFF
English
Language
Human Sensor
OSD Setup
Medium
• Splendid Demo Mode:ActivatethedemomodefortheSplendid
function.
• OSD Setup:Adjustthehorizontalposition(H-Position),vertical
position(V-Position),OSDTimeout,DDC/CI,andTransparencyof
the OSD screen.
• Language:SelectOSDlanguage.TheselectionsareEnglish,
French,German,Spanish,Italian,Dutch,Russian,Traditional
Chinese,SimplifiedChinese,andJapanese.
• Information:Displaythemonitorinformation.
• Human sensor: Turnon/offHumansensorfunctionandadjustits
sensitivity.
• All Reset:Setto“Yes”torevertallsettingstothefactorydefault
mode.