Acer P235Hbd User manual

TABLEOFCONTENTS
SpecialnotesonLCDmonitors..................................................1
Information foryoursafetyand comfort..................................2
Unpacking...................................................................................5
Attaching/Removingthebase....................................................6
Screenposition adjustment........................................................6
Connectingthepowercord.......................................................7
Safetyprecaution.......................................................................7
Cleaning yourmonitor...............................................................7
Powersaving...............................................................................8
DDC..............................................................................................8
ConnectorPinAssignment.........................................................9
StandardTimingTable..................................................................11
Installation.....................................................................................12
Usercontrols..................................................................................13
Troubleshooting............................................................................19

EN-1
SPECIALNOTESONLCDMONITORS
Thefollowingsymptomsarenormal withLCDmonitoranddonotindicatea
problem.
NOTES
•Duetothenature ofthe fluorescentlight,thescreenmayflickerduring
initialuse. TurnoffthePowerSwitchandthenturnitonagaintomake
suretheflickerdisappears.
•Youmayfindslightlyunevenbrightness onthescreendepending onthe
desktoppatternyouuse.
•TheLCDscreenhaseffectivepixelsof99.99%ormore.Itmayinclude
blemishesof0.01% orlesssuchasamissingpixelorapixellitallofthe
time.
•DuetothenatureoftheLCDscreen,anafterimageofthepreviousscreen
mayremainafterswitchingtheimage,whenthesameimageisdisplayed
forhours.Inthiscase,thescreenisrecoveredslowlybychangingthe
image orturningoffthe PowerSwitchforhours.

EN-2
Productservicing
Donotattempttoservicethisproductyourself,asopeningorremovingcoversmay
exposeyou to dangerous voltagepoints or otherrisks.Referallservicingtoqualified
servicepersonnel.
Unplugthisproductfromthewalloutletandreferservicingtoqualifiedserviceperson-
nelwhen:
• thepowercordorplug isdamaged,cutorfrayed
•liquidwasspilledinto theproduct
•theproductwasexposedtorainor water
•theproducthasbeendroppedorthecasehasbeendamaged
Information foryoursafety and comfort
Safetyinstructions
Readtheseinstructionscarefully. Keepthisdocument forfuturereference.Followall
warningsandinstructionsmarkedontheproduct.
CAUTIONforaccessibility
Besurethatthepoweroutletyouplugthepowercord intoiseasily accessibleand
locatedascloseto theequipmentoperatoraspossible.Whenyouneedtodisconnect
powertotheequipment,besuretounplug thepowercord fromtheelectricaloutlet.
Warnings
•Donotusethisproductnearwater.
•Donotplacethisproductonanunstablecart,standortable.Ifthe
productfalls,itcouldbeseriously damaged.
•Slotsandopeningsareprovidedforventilationtoensurereliableoperation of
theproductandtoprotectitfromoverheating.Theseopenings mustnot be
blockedor covered.Theopeningsshouldneverbeblockedbyplacingthe
producton abed,sofa,rugorothersimilarsurface.Thisproductshouldnever
beplacednearoroveraradiatororheatregister,orinabuilt-ininstallation
unlessproperventilationisprovided.
•Neverpush objectsofanykindintothisproductthroughcabinet
slotsastheymaytouchdangerousvoltagepointsorshort-outpartsthatcould
resultinafireor electric shock.Neverspill liquidofanykindonto or intothe
product.
•Toavoiddamageofinternalcomponents andtoprevent batteryleakage, do
notplacetheproducton avibrating surface.
• Neveruseitundersporting,exercising,or anyvibratingenvironment which
will probably causeunexpectedshortcurrent or damagerotordevices,HDD,
Opticaldrive,andevenexposureriskfromlithiumbatterypack.
Safelistening
Followtheseinstructions,suggestedbyhearingexperts,to protectyourearing.
•Graduallyincreasethevolumeuntilyoucanhearitclearlyandcomfortablyand
without distortion.
•Aftersetting thevolumelevel, do notincreaseitafteryourearsadjust.
•Limittheamount of timelisteningtomusicathighvolume.
• Avoidturning up thevolumetoblockoutnoisysurroundings.
•Turn thevolumedownifyoucan’thearpeoplespeakingnearyou.

EN-3
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Note:Adjustonlythosecontrolsthatarecoveredbytheoperatinginstructions,
sinceimproperadjustment of othercontrolsmayresultindamageandwill
oftenrequireextensiveworkbyaqualifiedtechniciantorestoretheproductto
normalcondition.
LCDPixelStatement
TheLCDunitisproducedwith high-precision manufacturingtechniques.Nevertheless,
somepixelsmayoccasionallymisfireorappearasblackorreddots.Thishasnoeffecton
therecordedimageanddoesnotconstituteamalfunction.
Tipsand information forcomfortable use
Computerusersmaycomplainofeyestrainandheadachesafterprolongeduse.Usersare
also atriskofphysicalinjuryafterlonghoursofworkinginfrontofacomputer.Long
workperiods,badposture,poor workhabits,stress,inadequateworking conditions,
personalhealthand otherfactorsgreatlyincreasetheriskofphysicalinjury.
Incorrectcomputerusagemayleadtocarpaltunnelsyndrome,tendonitis,tenosynovitis
orothermusculoskeletaldisorders.Thefollowingsymptomsmayappearinthehands,
wrists,arms,shoulders,neckor back:
•numbness,oraburning ortinglingsensation
•aching,sorenessortenderness
• pain,swellingorthrobbing
• stiffnessortightness
•coldnessor weakness
Ifyouhavethesesymptoms,oranyotherrecurring or persistentdiscomfort and/orpain
relatedto computeruse,consultaphysicianimmediatelyandinformyourcompany’s
healthand safetydepartment.
Thefollowing sectionprovidestipsformorecomfortablecomputeruse.
Finding yourcomfortzone
Find yourcomfortzonebyadjusting theviewing angleof themonitor,using afootrest,
orraising yoursittingheighttoachievemaximumcomfort.Observethefollowing tips:
• refrainfromstayingtoolong inonefixedposture
•avoidslouchingforwardand/or leaningbackward
• standupandwalkaroundregularlytoremovethestrainonyour legmuscles
•take short rests to relaxyourneckandshoulders
•avoidtensing yourmusclesor shruggingyourshoulders
•install theexternaldisplay,keyboardandmouseproperlyand withincomfort
ablereach
• ifyouviewyour monitormorethanyourdocuments,placethedisplayatthe
centerofyourdeskto minimizeneckstrain
•theproductexhibitsadistinctchangeinperformance,indicatinganeedforservice
•theproductdoesnot operatenormally afterfollowing theoperating instructions

EN-4
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Warning!Wedonotrecommend using theproducton acouchorbed.Ifthisis
unavoidable,workforonlyshortperiods,take breaksregularly, anddosome
stretchingexercises.
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For moreinformation and helpinrecycling,pleasevisitthefollowing websites:
Worldwide:
http://www.acer-group.com/public/Sustainability/sustainability01.htm
http://www.acer-group.com/public/Sustainability/sustainability04.htm
Taking care ofyourvision
Long viewinghours,wearingincorrectglassesorcontactlenses,glare,excessiveroom
lighting,poorly focusedscreens,verysmall typefacesandlow-contrast displayscould
stressyoureyes.Thefollowing sections providesuggestionsonhow to reduceeyestrain.
Eyes
•Rest youreyesfrequently.
•Giveyoureyesregularbreaksbylookingawayfromthemonitorand focusing
onadistantpoint.
• Blinkfrequentlytokeepyour eyesfromdryingout.
Display
•Keepyourdisplayclean.
•Keepyourheadatahigherlevelthanthetopedgeof thedisplaysoyoureyes
pointdownwardwhenlookingatthemiddleof thedisplay.
•Adjust thedisplaybrightness and/or contrast to acomfortablelevelfor enhanced
textreadabilityand graphicsclarity.
•Eliminateglareand reflectionsby:
•placing yourdisplayinsuchawaythatthesidefacesthewindoworanylight
source
•minimizing roomlightbyusingdrapes,shadesorblinds
• usingatasklight
•changing thedisplay’sviewingangle
•usingaglare-reductionfilter
•usingadisplayvisor,suchasapieceofcardboardextendedfromthedisplay’s
topfrontedge
•Avoidadjustingyour displaytoanawkwardviewingangle.
• Avoidlooking atbrightlightsources,suchasopenwindows,for extended
periods of time.
Developing goodwork habits
Develop thefollowingworkhabitstomake yourcomputerusemorerelaxingand
productive:
•Take short breaksregularlyandoften.
•Performsomestretchingexercises.
• Breathefresh airasoftenaspossible.
• Exerciseregularlyand maintainahealthybody.