Lenovo IdeaPad U530 Touch Notebook Bedienungsanleitung PDF herunterladen (Seite 7)

Lenovo IdeaPad U530 Touch

Observethefollowingruleswhenworkingonelectricalequipments.

• Findtheroomemergencypower‐off(EPO)switch,disconnectingswitch,or

electricaloutlet.Ifanelectricalaccidentoccurs,youcanthenoperatethe

switchorunplugthepowercordquickly.

• Donotworkaloneunderhazardousconditionsorneartheequipmentthat

hashazardousvoltages.

• Disconnectallpowerbefore:

– Performingamechanicalinspection

– Workingnearpowersupplies

– Removingorinstallingmainunits

• Beforeyoustarttoworkonthemachine,unplugthepowercord.Ifyou

cannotunplugit,askthecustomertopower‐offthewallboxthatsupplies

powertothemachine,andtolockthewallboxintheoffposition.

• Ifyouneedtoworkonamachinethathasexposedelectricalcircuits,observe

thefollowingprecautions:

– Ensurethatanotherperson,familiarwiththepower‐offcontrols,isnear

you.

Attention:Anotherpersonmustbetheretoswitchoffthepower,if

necessary.

– Useonlyonehandwhenworkingwithpowered‐onelectricalequipment;

keeptheotherhandinyourpocketorbehindyourback.

Attention:Anelectricalshockcanoccuronlywhenthereisacomplete

circuit.Byobservingtheaboverule,youmaypreventacurrentfrom

passingthroughyourbody.

– Whenusingtesters,setthecontrolscorrectlyandusetheapprovedprobe

leadsandaccessoriesforthattester.

– Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulate

youfromgroundssuchasmetalfloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;

instructionsfortheseprecautionsareinthesafetysectionsofmaintenance

information.Beextremelycarefulwhenyoumeasurethehighvoltages.

• Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperational

condition.

• Donotusewornorbrokentoolsandtesters.

• Neverassumethatpowerhasbeendisconnectedfromacircuit.First,checkit

tomakesurethatithasbeenpoweredoff.

Electrical safety

Important:

Useonlyapprovedtoolsandtestequipments.Somehandtoolshave

handlescoveredwithasoftmaterialthatdoesnotinsulateyouwhen

workingwithliveelectricalcurrents.

Manycustomershaverubberfloormatsneartheirmachinesthatcontain

smallconductivefiberstodecreaseelectrostaticdischarges.Donot usesuch

kindofmattoprotectyourselffromelectricalshock.

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