Using special-function buttons – Sony VAIO VGN-Z500 Series User Manual

VGN-Z590NFB, VGN-Z590UBB, VGN-Z520N, VGN-Z550N, VGN-Z540N, VGN-Z540P, VGN-Z540U, VGN-Z590NGB, VGN-Z540E, VGN-Z540NAB, VGN-Z590NJB, VGN-Z530N, VGN-Z590, VGN-Z590E, VGN-Z540NDB, VGN-Z540NFB, VGN-Z540NCB, VGN-Z590UAB, VGN-Z540, VGN-Z570N, VGN-Z540NEB, VGN-Z540NBB, VGN-Z590U, VGN-Z590N, VGN-Z598U, VGN-Z591U