Lenovo ThinkStation D20 User manual

ThinkStation
SafetyandWarrantyGuide

Note
Beforeusingthisinformationandtheproductitsupports,besuretoreadandunderstand
thefollowing:
•Chapter1“Importantsafetyinformation”onpage1
•Chapter3“LenovoLimitedWarranty”onpage21
•Chapter6“Notices”onpage41
FirstEdition(December2011)
©CopyrightLenovo2011.
LIMITEDANDRESTRICTEDRIGHTSNOTICE:Ifdataorsoftwareisdelivered
pursuantaGeneralServicesAdministration“GSA”contract,use,reproduction,or
disclosureissubjecttorestrictionssetforthinContractNo.GS-35F-05925.

Contents
Chapter1.Importantsafetyinformation............1
Conditionsthatrequireimmediateaction.............1
Generalsafetyguidelines..................2
Serviceandupgrades..................2
Staticelectricityprevention.................3
Powercordsandpoweradapters...............4
Voltage-selectionswitch..................5
Extensioncordsandrelateddevices..............5
Plugsandoutlets....................6
Externaldevices....................6
Batteries.......................6
Heatandproductventilation................7
Operatingenvironment..................8
Electricalcurrentsafetyinformation...............8
Lithiumcoincellbatterynotice...............10
Modemsafetyinformation.................10
Lasercompliancestatement................10
Powersupplystatement.................11
Productswithtelevisiontuneroptionsinstalled..........11
NotetoCATVsysteminstaller...............12
Exampleofantennagrounding..............12
Datasafety......................13
Cleaningandmaintenance.................13
Usingheadphonesorearphones...............13
Additionalsafetyinformation................14
Additionalsafetyrequirement................14
Rackshelfsafetyinformation................15
Chapter2.Informationresources..............17
UserGuide......................17
LenovoThinkVantageTools................17
LenovoWebsite(http://www.lenovo.com)...........18
LenovoSupportWebsite.................18
Recordingyourcomputerinformation.............18
Chapter3.LenovoLimitedWarranty.............21
Part1-GeneralTerms..................21
©CopyrightLenovo2011i

Part2-Country-specicTerms...............25
Part3-WarrantyServiceInformation.............28
SuplementodeGarantíaparaMéxico.............31
Chapter4.WorldwideLenovoSupporttelephonelist.......33
Chapter5.CustomerReplaceableUnits(CRUs).........39
Chapter6.Notices...................41
Exportclassicationnotice................42
Televisionoutputnotice..................42
Trademarks......................42
Electronicemissionsnotices................42
FederalCommunicationsCommissionDeclarationofConformity...43
FederalCommunicationsCommission(FCC)andtelephonecompany
requirements.....................45
CanadianDepartmentofCommunicationscerticationlabel.....46
Replacementpowercords.................47
PolyvinylChloride(PVC)cableandcordnotice..........47
Chinasubstancedisclosuretable..............48
ChinarecyclinginformationforWasteElectricalandElectronicEquipment
(WEEE).......................48
Turkishstatementofcompliance...............48
UkraineRoHSStatement.................49
ImportantinformationfortheEuropeanDirective2002/96/EC.....49
Recyclinginformation..................49
ENERGYSTARmodelinformation..............51
NoticeforRegulatoryinformation..............52
iiThinkStationSafetyandWarrantyGuide

Chapter1.Importantsafetyinformation
Note:Besuretoreadandunderstandtheimportantsafetyinformationrst.
Thisinformationcanhelpyousafelyuseyourdesktop,workstation,ornotebook
personalcomputer.Followandretainallinformationincludedwithyourcomputer.
Theinformationinthisdocumentdoesnotalterthetermsofyourpurchase
agreementortheLenovo®LimitedWarranty.Formoreinformation,referto
Chapter3“LenovoLimitedWarranty”onpage21.
Customersafetyisimportant.Ourproductsaredevelopedtobesafeand
effective.However,personalcomputersareelectronicdevices.Powercords,
poweradapters,andotherfeaturescancreatepotentialsafetyrisksthatcanresult
inphysicalinjuryorpropertydamage,especiallyifmisused.Toreducetheserisks,
followtheinstructionsincludedwithyourproduct,observeallwarningsonthe
productandintheoperatinginstructions,andreviewtheinformationincludedin
thisdocumentcarefully.Bycarefullyfollowingtheinformationcontainedinthis
documentandprovidedwithyourproduct,youcanhelpprotectyourselffrom
hazardsandcreateasafercomputerworkenvironment.
Note:Thisinformationincludesreferencestopoweradaptersandbatteries.In
additiontonotebookcomputers,someproducts(suchasspeakersandmonitors)
areshippedwithexternalpoweradapters.Ifyouhavesuchaproduct,this
informationappliestoyourproduct.Inaddition,computerproductscontaina
coin-sizedinternalbatterythatprovidespowertothesystemclockevenwhenthe
computerisunplugged,sothebatterysafetyinformationappliestoallcomputer
products.
Conditionsthatrequireimmediateaction
Productscanbecomedamagedduetomisuseorneglect.Someproduct
damageisseriousenoughthattheproductshouldnotbeusedagainuntil
ithasbeeninspectedand,ifnecessary,repairedbyanAuthorizedService
Provider.
Aswithanyelectronicdevice,paycloseattentiontotheproductwhenitis
turnedon.Onveryrareoccasions,youmightnoticeanodororseeapuff
ofsmokeorsparksventfromyourproduct.Oryoumighthearsoundslike
popping,cracking,orhissing.Theseconditionsmightmerelymeanthatan
internalelectroniccomponenthasfailedinasafeandcontrolledmanner.Or,
theymightindicateapotentialsafetyissue.However,donottakerisksor
attempttodiagnosethesituationyourself.ContacttheCustomerSupport
Centerforfurtherguidance.ForalistofServiceandSupportphonenumbers,
seeChapter4“WorldwideLenovoSupporttelephonelist”onpage33.
Frequentlyinspectyourcomputeranditscomponentsfordamage,wear,
orsignsofdanger.Ifyouhaveanyquestionabouttheconditionofa
©CopyrightLenovo20111

component,donotusetheproduct.ContacttheCustomerSupportCenter
ortheproductmanufacturerforinstructionsonhowtoinspecttheproduct
andhaveitrepaired,ifnecessary.
Intheunlikelyeventthatyounoticeanyofthefollowingconditions,orifyou
haveanysafetyconcernswithyourproduct,stopusingtheproductand
unplugitfromthepowersourceandtelecommunicationlinesuntilyoucan
speaktotheCustomerSupportCenterforfurtherguidance.
•Powercords,plugs,poweradapters,extensioncords,surgeprotectors,or
powersuppliesthatarecracked,broken,ordamaged.
•Signsofoverheating,smoke,sparks,orre.
•Damagetoabattery(suchascracks,dents,orcreases),dischargefroma
battery,orabuildupofforeignsubstancesonthebattery.
•Acracking,hissing,orpoppingsound,orstrongodorthatcomesfromthe
product.
•Signsthatliquidhasbeenspilledoranobjecthasfallenontothecomputer
product,thepowercord,orpoweradapter.
•Thecomputerproduct,powercord,orpoweradapterhasbeenexposedto
water.
•Theproducthasbeendroppedordamagedinanyway.
•Theproductdoesnotoperatenormallywhenyoufollowtheoperating
instructions.
Note:Ifyounoticetheseconditionswithaproduct(suchasanextensioncord)
thatisnotmanufacturedfororbyLenovo,stopusingthatproductuntilyou
cancontacttheproductmanufacturerforfurtherinstructions,oruntilyougeta
suitablereplacement.
Generalsafetyguidelines
Alwaysobservethefollowingprecautionstoreducetheriskofinjuryandproperty
damage.
Serviceandupgrades
Donotattempttoserviceaproductyourselfunlessinstructedtodosobythe
CustomerSupportCenteroryourdocumentation.OnlyuseaServiceProvider
whoisapprovedtorepairyourparticularproduct.
2ThinkStationSafetyandWarrantyGuide

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.
Upgradestypicallyarereferredtoasoptions.Replacementpartsapproved
forcustomerinstallationarereferredtoasCustomerReplaceableUnits,or
CRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriate
forcustomerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowall
instructionswheninstallingorreplacingparts.TheOffstateofapowerindicator
doesnotnecessarilymeanthatvoltagelevelsinsideaproductarezero.Before
youremovethecoversfromaproductequippedwithapowercord,alwaysmake
surethatthepoweristurnedoffandthattheproductisunpluggedfromany
powersource.FormoreinformationonCRUs,refertotheThinkStationHardware
InstallationandReplacementGuideforthisproduct.Ifyouhaveanyquestions
orconcerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhas
beendisconnected,thefollowingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepngersandotherbodypartsaway.
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeopeningthecover.
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputer
componentsandoptions.Improperhandlingofstatic-sensitivepartscancause
damagetothepart.WhenyouunpackanoptionorCRU,donotopenthe
static-protectivepackagecontainingthepartuntiltheinstructionsdirectyouto
installit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,take
thefollowingprecautionstoavoidstatic-electricitydamage:
Chapter1.Importantsafetyinformation3

•Limityourmovement.Movementcancausestaticelectricitytobuildup
aroundyou.
•Alwayshandlecomponentscarefully.Handleadapters,memorymodules,and
othercircuitboardsbytheedges.Nevertouchexposedcircuitry.
•Preventothersfromtouchingcomponents.
•Whenyouinstallastatic-sensitiveoptionorCRU,touchthestatic-protective
packagecontainingtheparttoametalexpansion-slotcoverorotherunpainted
metalsurfaceonthecomputerforatleasttwoseconds.Thisreducesstatic
electricityinthepackageandyourbody.
•Whenpossible,removethestatic-sensitivepartfromthestatic-protective
packagingandinstallthepartwithoutsettingitdown.Whenthisisnot
possible,placethestatic-protectivepackagingonasmooth,levelsurface
andplacethepartonit.
•Donotplacethepartonthecomputercoverorothermetalsurface.
Powercordsandpoweradapters
Useonlythepowercordsandpoweradapterssuppliedbytheproduct
manufacturer.
Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,
3G,0.75mm2,orbetter.Forothercountries,thesuitabletypesshallbeused
accordingly.
Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocan
stressthecordinwaysthatcancausethecordtofray,crack,orcrimp.This
canpresentasafetyhazard.
Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,or
pinchedbyobjects.
Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleave
yourpowercordorpoweradapternearsinks,tubs,toilets,oronoorsthatare
cleanedwithliquidcleansers.Liquidscancauseashortcircuit,particularlyifthe
powercordorpoweradapterhasbeenstressedbymisuse.Liquidsalsocan
causegradualcorrosionofpowercordterminalsand/ortheconnectorterminals
onapoweradapter,whichcaneventuallyresultinoverheating.
Alwaysconnectpowercordsandsignalcablesinthecorrectorderandensurethat
allpowercordconnectorsaresecurelyandcompletelypluggedintoreceptacles.
Donotuseanypoweradapterthatshowscorrosionattheacinputpinsorshows
signsofoverheating(suchasdeformedplastic)attheacinputoranywhereon
thepoweradapter.
4ThinkStationSafetyandWarrantyGuide

Donotuseanypowercordswheretheelectricalcontactsoneitherendshow
signsofcorrosionoroverheatingorwherethepowercordappearstohavebeen
damagedinanyway.
Voltage-selectionswitch
Somecomputersareequippedwithavoltage-selectionswitchlocatednearthe
power-cordconnectionpointonthecomputerandsomecomputersdonot
haveavoltage-selectionswitch.Beforeyouinstallyourcomputerorrelocate
yourcomputertoanothercountryorregion,youmustbecertainthatyouhave
matchedyourcomputertothevoltageavailableatyourelectricaloutlet.
CAUTION:
Youmustknowthevoltageoftheelectricalconnection(outlet)whereyour
computerwillbeconnected.Ifyoudonotknowthevoltage,contactyour
localelectriccompanyorrefertoofcialWebsitesorotherliteraturefor
travelerstothecountryorregionwhereyouarelocated.
Ifyourcomputerhasavoltage-selectionswitch,youmustsettheswitchtomatch
thevoltageavailableatyourelectricaloutlet.Settingthevoltage-selectionswitch
incorrectlywillcausethecomputertomalfunctionandmightcausepermanent
damagetothecomputer.Donotconnectthecomputertoanelectricaloutletuntil
youhaveveriedthatthevoltage-selectionswitchsettingmatchesthevoltage
availableattheelectricaloutlets.
Ifyourcomputerdoesnothaveavoltage-selectionswitch,inspectthe
voltage-ratinglabelonthebottomofthecomputerandnotethefollowing:
•Ifthevoltage-ratinglabelshowsarangeofeither“100-127V”or“200-240V,”
youmustensurethatthevoltageprovidedattheelectricaloutletmatchesthe
voltageratingonthecomputerlabel.Ifitdoesnotmatch,donotattemptto
connectthecomputertotheelectricaloutlet,unlessanexternaldevicesuch
asavoltage-convertingtransformerisused.
•Ifthevoltage-ratinglabelshowsadualrangeof“100-127V”and“200-240
V,”thissigniesthatthecomputerissuitableforworldwideoperationand
thecomputerwillautomaticallyadjusttothevoltageattheelectricaloutlet
regardlessofthecountryorregionwherethecomputerisbeingconnected.
Extensioncordsandrelateddevices
Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,and
powerstripsthatyouuseareratedtohandletheelectricalrequirementsofthe
product.Neveroverloadthesedevices.Ifpowerstripsareused,theloadshould
notexceedthepowerstripinputrating.Consultanelectricianformoreinformation
ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.
Chapter1.Importantsafetyinformation5

Plugsandoutlets
Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipment
appearstobedamagedorcorroded,donotusetheoutletuntilitisreplacedby
aqualiedelectrician.
Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturer
toobtainareplacement.
Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthat
drawlargeamountsofelectricity;otherwise,unstablevoltagemightdamageyour
computer,data,orattacheddevices.
Someproductsareequippedwithathree-prongedplug.Thisplugtsonlyinto
agroundedelectricaloutlet.Thisisasafetyfeature.Donotdefeatthissafety
featurebytryingtoinsertitintoanon-groundedoutlet.Ifyoucannotinsertthe
plugintotheoutlet,contactanelectricianforanapprovedoutletadapteror
toreplacetheoutletwithonethatenablesthissafetyfeature.Neveroverload
anelectricaloutlet.Theoverallsystemloadshouldnotexceed80percentof
thebranchcircuitrating.Consultanelectricianformoreinformationifyouhave
questionsaboutpowerloadsandbranchcircuitratings.
Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,
andlocatedclosetotheequipment.Donotfullyextendpowercordsinaway
thatwillstressthecords.
Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentforthe
productyouareinstalling.
Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.
Externaldevices
DonotconnectordisconnectanyexternaldevicecablesotherthanUniversal
SerialBus(USB)and1394cableswhilethecomputerpowerison;otherwise,you
mightdamageyourcomputer.Toavoidpossibledamagetoattacheddevices,
waitatleastvesecondsafterthecomputerisshutdowntodisconnectexternal
devices.
Batteries
AllpersonalcomputersmanufacturedbyLenovocontainanon-rechargeable
coincellbatterytoprovidepowertothesystemclock.Inaddition,manymobile
products,suchasnotebookcomputers,utilizearechargeablebatterypackto
providesystempowerwheninportablemode.BatteriessuppliedbyLenovofor
usewithyourproducthavebeentestedforcompatibilityandshouldonlybe
replacedwithapprovedparts.
Neverattempttoopenorserviceanybattery.Donotcrush,puncture,orincinerate
batteriesorshortcircuitthemetalcontacts.Donotexposethebatterytowater
6ThinkStationSafetyandWarrantyGuide

orotherliquids.Onlyrechargethebatterypackstrictlyaccordingtoinstructions
includedintheproductdocumentation.
Batteryabuseormishandlingcancausethebatterytooverheat,whichcancause
gassesorameto“vent”fromthebatterypackorcoincell.Ifyourbatteryis
damaged,orifyounoticeanydischargefromyourbatteryorthebuildupofforeign
materialsonthebatteryleads,stopusingthebatteryandobtainareplacement
fromthebatterymanufacturer.
Batteriescandegradewhentheyareleftunusedforlongperiodsoftime.For
somerechargeablebatteries(particularlyLithiumIonbatteries),leavingabattery
unusedinadischargedstatecouldincreasetheriskofabatteryshortcircuit,
whichcouldshortenthelifeofthebatteryandcanalsoposeasafetyhazard.Do
notletrechargeableLithium-Ionbatteriescompletelydischargeorstorethese
batteriesinadischargedstate.
Heatandproductventilation
Computers,poweradapters,andmanyaccessoriescangenerateheatwhen
turnedonandwhenbatteriesarecharging.Alwaysfollowthesebasicprecautions:
•Donotleaveyourcomputer,poweradapter,oraccessoriesincontactwith
yourlaporanypartofyourbodyforanextendedperiodwhentheproducts
arefunctioningorwhenthebatteryischarging.Yourcomputer,poweradapter,
andmanyaccessoriesproducesomeheatduringnormaloperation.Extended
contactwiththebodycouldcausediscomfortor,potentially,askinburn.
•Donotchargethebatteryoroperateyourcomputer,poweradapter,or
accessoriesnearammablematerialsorinexplosiveenvironments.
•Ventilationslots,fans,andheatsinksareprovidedwiththeproductforsafety,
comfort,andreliableoperation.Thesefeaturesmightinadvertentlybecome
blockedbyplacingtheproductonabed,sofa,carpet,orotherexiblesurface.
Neverblock,cover,ordisablethesefeatures.
Inspectyourdesktopcomputerfordustaccumulationatleastonceeverythree
months.Beforeinspectingyourcomputer,turnoffthepowerandunplugthe
computer'spowercordfromtheelectricaloutlet;thenremoveanydustfrom
ventsandperforationsinthebezel.Ifyounoticeexternaldustaccumulation,then
examineandremovedustfromtheinsideofthecomputerincludingheatsinkinlet
ns,powersupplyvents,andfans.Alwaysturnoffandunplugthecomputer
beforeopeningthecover.Ifpossible,avoidoperatingyourcomputerwithin
twofeetofhigh-trafcareas.Ifyoumustoperateyourcomputerinorneara
high-trafcarea,inspectand,ifnecessary,cleanyourcomputermorefrequently.
Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollow
thesebasicprecautionswithyourdesktopcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
Chapter1.Importantsafetyinformation7

•Removedustfromventsandanyperforationsinthebezel.Morefrequent
cleaningsmightberequiredforcomputersindustyorhigh-trafcareas.
•Donotrestrictorblockanyventilationopenings.
•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincrease
theriskofoverheating.
•Airowtemperaturesintothecomputershouldnotexceed35℃(95℉).
•Donotinstallairltrationdevices.Theymayinterferewithpropercooling.
Operatingenvironment
Theoptimalenvironmentinwhichtouseyourcomputeris10℃-35℃(50℉-95℉)
withhumidityrangingbetween35%and80%.Ifyourcomputerisstoredor
transportedintemperatureslessthan10℃(50℉),allowthecoldcomputertorise
slowlytoanoptimaloperatingtemperatureof10℃-35℃(50℉-95℉)beforeuse.
Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowyour
computertorisetoanoptimaloperatingtemperaturebeforeusecouldresultin
irreparabledamagetoyourcomputer.
Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirect
exposuretosunshine.
Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,
airconditioner,andmicrowaveovenawayfromyourcomputerbecausethestrong
magneticeldsgeneratedbytheseappliancescandamagethemonitoranddata
ontheharddiskdrive.
Donotplaceanybeveragesontopoforbesidethecomputerorotherattached
devices.Ifliquidisspilledonorinthecomputeroranattacheddevice,ashort
circuitorotherdamagemightoccur.
Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboard
cancausedamage.
Electricalcurrentsafetyinformation
DANGER
Electricalcurrentfrompower,telephone,andcommunicationcablesis
hazardous.
Toavoidashockhazard:
•Topreventpossibleshockhazard,donotuseyourcomputerduringa
lightningstorm.
•Donotconnectordisconnectanycablesorperforminstallation,
maintenance,orrecongurationofthisproductduringanelectricalstorm.
8ThinkStationSafetyandWarrantyGuide

•Connectallpowercordstoaproperlywiredandgroundedelectrical
outlet.
•Connecttoproperlywiredoutletsanyequipmentthatwillbeattached
tothisproduct.
•Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
•Neverturnonanyequipmentwhenthereisevidenceofre,water,or
structuraldamage.
•Disconnecttheattachedpowercords,telecommunicationssystems,
networks,andmodemsbeforeyouopenthedevicecovers,unless
instructedotherwiseintheinstallationandcongurationprocedures.
•Connectanddisconnectcablesasdescribedinthefollowingtablewhen
installing,moving,oropeningcoversonthisproductorattacheddevices.
Toconnect:
1.TurneverythingOFF.
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndevicesON.
Todisconnect:
1.TurneverythingOFF.
2.First,removepowercordsfromoutlet.
3.Removesignalcablesfrom
connectors.
4.Removeallcablesfromdevices.
Chapter1.Importantsafetyinformation9

Lithiumcoincellbatterynotice
DANGER
Dangerofexplosionifbatteryisincorrectlyreplaced.
Whenreplacingthelithiumcoincellbattery,useonlythesameoran
equivalenttypethatisrecommendedbythemanufacturer.Thebattery
containslithiumandcanexplodeifnotproperlyused,handled,ordisposed
of.
Donot:
•Throworimmerseintowater
•Heattomorethan100°C(212°F)
•Repairordisassemble
Disposeofthebatteryasrequiredbylocalordinancesorregulations.
ThefollowingstatementappliestousersinthestateofCalifornia,U.S.A.
CaliforniaPerchlorateInformation:
ProductscontainingCR(manganesedioxide)lithiumcoincellbatteries
maycontainperchlorate.
PerchlorateMaterial-specialhandlingmayapply,See
www.dtsc.ca.gov/hazardouswaste/perchlorate
Modemsafetyinformation
CAUTION:
Toreducetheriskofre,useonlyNo.26AWGorlarger(forexample,No.24
AWG)telecommunicationlinecordlistedbyUnderwritersLaboratories(UL)
orcertiedbytheCanadianStandardsAssociation(CSA).
Lasercompliancestatement
10ThinkStationSafetyandWarrantyGuide

CAUTION:
Whenlaserproducts(suchasCD-ROMs,DVDdrives,beropticdevices,or
transmitters)areinstalled,notethefollowing:
•Donotremovethecovers.Removingthecoversofthelaserproduct
couldresultinexposuretohazardouslaserradiation.Thereareno
serviceablepartsinsidethedevice.
•Useofcontrolsoradjustmentsorperformanceofproceduresotherthan
thosespeciedhereinmightresultinhazardousradiationexposure.
DANGER
SomelaserproductscontainanembeddedClass3AorClass3Blaser
diode.Notethefollowing.
Laserradiationwhenopen.Donotstareintothebeam,donotview
directlywithopticalinstruments,andavoiddirectexposuretothebeam.
Powersupplystatement
Neverremovethecoveronapowersupplyoranypartthathasthefollowing
labelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponent
thathasthislabelattached.Therearenoserviceablepartsinsidethese
components.Ifyoususpectaproblemwithoneoftheseparts,contactaservice
technician.
Productswithtelevisiontuneroptionsinstalled
Thenoticebelowappliestoproductscontainingtelevision(TV)tunerdevicesthat
connecttoexternalantennasortocable/CATVsystems,orboth,andthatare
intendedtobeinstalledinNorthAmerica.Usersandinstallersinothercountries
shouldfollowlocalcodesandordinanceswheninstallingappliancesthatconnect
toexternalantennasandcable/CATVsystems.Iflocalcodesarenotapplicable,it
isrecommendedthatusers/installersfollowguidelinessimilartothosethatfollow.
Chapter1.Importantsafetyinformation11

NotetoCATVsysteminstaller
ThisreminderisprovidedtocalltheCATVsysteminstaller'sattentiontoArticle
820-40oftheNationalElectricalCode(NEC)thatprovidesguidelinesforproper
groundingand,inparticular,speciesthatthecablegroundshallbeconnectedto
thegroundingsystemofthebuilding,ascloseaspossibletothepointofcable
entryaspractical.
Exampleofantennagrounding
1Groundclamp5Powerservicegrounding
electrodesystem(NECArticle
250,PartH)
2Antennalead-inwire6Groundclamps
3Antennadischargeunit(NEC
Section810-20)
7Electronicserviceequipment
4Groundingconductors(NEC
Section810-21)
Figure1.Propergroundingforthecable
12ThinkStationSafetyandWarrantyGuide

Thefollowingnoticeappliestoallcountriesandregions:
DANGER
Outdoor
antenna
grounding
Ifanoutsideantennaorcablesystemisconnectedto
theequipment,besuretheantennaorcablesystem
isgroundedastoprovidesomeprotectionagainst
voltagesurgesandbuilt-upstaticcharges.
LightningForaddedprotectionforthisequipmentduringa
lightningstorm,orwhenitisleftunattendedand
unusedforlongperiodsoftime,unplugitfromthewall
outletanddisconnecttheantennaorcablesystem.
Thiswillpreventdamagetothevideoproductdueto
lightningandpowerlinesurges.
PowerlinesAnoutsideantennasystemshouldnotbelocatedin
thevicinityofoverheadpowerlinesorwhereitcanfall
intosuchpowerlinesorcircuits.Wheninstallingan
outsideantennasystem,extremecareshouldbetaken
tokeepfromtouchingsuchpowerlinesorcircuits,as
contactwiththemmaybefatal.
Datasafety
Donotdeleteunknownlesorchangethenameoflesordirectoriesthatwere
notcreatedbyyou;otherwise,yourcomputersoftwaremightfailtowork.
Beawarethataccessingnetworkresourcescanleaveyourcomputervulnerable
tocomputerviruses,hackers,spyware,andothermaliciousactivitiesthatmight
damageyourcomputer,software,ordata.Itisyourresponsibilitytoensurethat
youhaveadequateprotectionintheformofrewalls,antivirussoftware,and
anti-spywaresoftwareandkeepthissoftwareuptodate.
Cleaningandmaintenance
Keepyourcomputerandworkspaceclean.Shutdownthecomputerandthen
disconnectthepowercordbeforecleaningthecomputer.Donotsprayanyliquid
detergentdirectlyonthecomputeroruseanydetergentcontainingammable
materialtocleanthecomputer.Spraythedetergentonasoftclothandthen
wipethecomputersurfaces.
Usingheadphonesorearphones
Ifyourcomputerhasbothaheadphoneconnectorandanaudioline-out
connector,alwaysusetheheadphoneconnectorforheadphones(alsocalleda
headset)orearphones.
Chapter1.Importantsafetyinformation13

CAUTION:
Excessivesoundpressurefromearphonesandheadphonescancause
hearingloss.Adjustmentoftheequalizertomaximumincreasesthe
earphoneandheadphoneoutputvoltageandthesoundpressurelevel.
Therefore,toprotectyourhearing,adjusttheequalizertoanappropriate
level.
Excessiveuseofheadphonesorearphonesforalongperiodoftimeathigh
volumecanbedangerousiftheoutputoftheheadphoneorearphoneconnectors
donotcomplywithspecicationsofEN50332-2.Theheadphoneoutput
connectorofyourcomputercomplieswithEN50332-2Subclause7.This
specicationlimitsthecomputer’smaximumwidebandtrueRMSoutputvoltage
to150mV.Tohelpprotectagainsthearingloss,ensurethattheheadphonesor
earphonesyouusealsocomplywithEN50332-2(Clause7Limits)forawideband
characteristicvoltageof75mV.UsingheadphonesthatdonotcomplywithEN
50332-2canbedangerousduetoexcessivesoundpressurelevels.
IfyourLenovocomputercamewithheadphonesorearphonesinthepackage,
asaset,thecombinationoftheheadphonesorearphonesandthecomputer
alreadycomplieswiththespecicationsofEN50332-1.Ifdifferentheadphones
orearphonesareused,ensurethattheycomplywithEN50332-1(Clause6.5
LimitationValues).UsingheadphonesthatdonotcomplywithEN50332-1canbe
dangerousduetoexcessivesoundpressurelevels.
Additionalsafetyinformation
CAUTION:
Plasticbagscanbedangerous.Keepplasticbagsawayfrombabiesand
childrentoavoiddangerofsuffocation.
Additionalsafetyrequirement
CAUTION:
SomemodelsofThinkStation®computersrequiretwopeopletoliftand
orcarry.
14ThinkStationSafetyandWarrantyGuide

Rackshelfsafetyinformation
YourThinkStationcomputercanbeusedonarackshelf.Wheninstallingthe
computeronarackshelf,makesuretoleaveatleasta12.70cm(5inches)space
betweenthefrontedgeoftherackshelfandyourcomputerforreprotection.
Chapter1.Importantsafetyinformation15

16ThinkStationSafetyandWarrantyGuide