Lenovo ThinkStation S20 - Chapter 2. Arranging your workspace; Comfort; Glare and lighting

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