23 Getting StartedNOTEl To conserve power, the following power saving methods are set at the time ofpurchase. The screen automatically turns off after 10 minutes of inactivity. The computer automatically enters sleep *1 after 20 minutes of inactivity.*1 è Reference Manual “Sleep and Hibernation Functions” about resumingfrom sleep. The screen automatically turns off after 15 minutes of inactivity. The computer automatically enters standby*2 after 20 minutes of inactivity.*2 è Reference Manual “Standby and Hibernation Functions” about resum-ing from standby.l Note that the computer consumes electricity even when the computer power isoff. If the battery pack is fully charged, the battery will fully discharge in thefollowing period of time: When power is off: Approx. 4 weeks In sleep ( ) / standby ( ) : Approx. 2 days In hibernation: Approx. 3 daysl When the DC plug is not connected to the computer, disconnect the AC cordfrom your AC wall outlet. Power is consumed simply by having the AC adaptorplugged into an electrical outlet.Power consumption in each mode is as follows. (When AC adaptor is connected) When the screen is off: Approx. 7.4 W In sleep ( ) / standby ( ) : Approx. 1 W The battery pack is fully charged (or not being charged) and the computer isoff: Approx. 0.9 WAbout the battery for this computerThis computer uses 2 battery packs.The battery is charged (è page 26) and power is consumed only on either bat-tery pack. Those operations switch to the other battery pack automatically.l When the computer is connected to the Cradle (optional: CF-VEBU11U), thebattery pack is charged when the AC adaptor is connected to the Cradle.l With the battery charger (optional: CF-VCBU11U) or the Cradle (optional: CF-VEBU11U), you can remove the empty battery pack and charge it while usingthe computer.l You can insert or remove the battery pack while the computer is ON. Be surenot to remove the battery pack being used by mistake. (è ReferenceManual “Battery Power” )