YAMAHA PSR-SX920 Digital Workstations Keyboard Meafaigaluega Fa'atonuga

A'oa'o pe fa'afefea ona fa'afou le firmware i lau PSR-SX920 Digital Workstations Keyboard Instrument fa'atasi ai ma lenei tusi fa'aoga atoatoa. Mulimuli i laasaga taʻitasi faʻatonuga e faʻamautinoa ai se faʻagasologa le faʻapipiʻiina ma foia faʻafitauli masani mo se faʻaleleia e aunoa ma se faʻalavelave.