Ref Component Description See Also Cursor-controlKeysServes as the UP / DOWN / LEFT / RIGHTarrow keys (except pointer on screen).When Fn keylock is on, the alternativefunction of a key is activated. Thealternative functions are identified by thecolor of orange on the keytop.P. 2-4 Speaker Sends out sound and voice from your tabletPC.P. 2-11Rear ComponentsRef Component Description See Also Battery Pack /3G SIM Card SlotCompartmentInside is the battery pack that suppliespower to your tablet PC when externalpower is not connected.P. 3-3Contains the 3G SIM card slot (optional). P. 2-20