ThinkPad S540 - Operating Environment; Lenovo Programs

•Inputratingoftheacpoweradapter:100to240Vac,50to60Hz
Batterypack
Integratedlithium-ion(Li-Ion)batterypack
Batterystatus
Tocheckthebatterystatus,dothefollowing:
•ForWindows7:OpenthePowerManagerprogram.ClicktheBatterytab.Forinstructionsonhowto
starttheAccessConnections™program,see“AccessingLenovoprogramsontheWindows7operating
system”onpage14.
•ForWindows8andWindows8.1:PresstheWindowskeytogototheStartscreen.ClickLenovo
Settings➙Power.
Operatingenvironment
Thissectionprovidesinformationaboutyourcomputeroperatingenvironment.
Environment:
•Maximumaltitudewithoutpressurization:3048m(10000ft)
•Temperature
–Ataltitudesupto2438m(8000ft)
–Operating:5.0°Cto35.0°C(41°Fto95°F)
–Storage:5.0°Cto43.0°C(41°Fto109°F)
–Ataltitudesabove2438m(8000ft)
–Maximumtemperaturewhenoperatingundertheunpressurizedcondition:31.3°C(88°F)
Note:Whenyouchargethebatterypack,itstemperaturemustbeatleast10°C(50°F).
•Relativehumidity:
–Operating:8%to80%
–Storage:5%to95%
Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.
Keepelectricalappliancessuchasanelectricfan,radio,airconditioner,andmicrowaveovenawayfrom
yourcomputerbecausethestrongmagneticfieldsgeneratedbytheseappliancescandamagethemonitor
anddataontheharddiskdriveorhybriddrive.
Donotplaceanybeveragesontopoforbesidethecomputerorotherattacheddevices.Ifliquidisspilledon
orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.
Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.
Lenovoprograms
YourcomputercomeswithLenovoprogramstohelpyouworkmoreeasilyandsecurely.Dependingon
theWindowsoperatingsystempreinstalled,theprogramsmightvary.
Chapter1.Productoverview13