Installing the Battery Pack and Connectingto AC PowerThe Tablet PC operates either on the external AC power or internal batterypower. It is suggested that you use AC power when starting up the Tablet PCfor the very first time.1.Make sure that the Tablet PC is turned off.2.Place the Tablet PC upside down.3.Lift the latch handle of the battery cover and turn it counterclockwise tothe unlock position. Then, detach the cover from the Tablet PC.Unlockposition