SFAX-500 476.8.3 Software UpgradeThis function is used when the unit is required software upgrade.[Software Upgrade][The screen of Software Upgrade]- Execute ‘RUN’ after inserting the SD card with the software for upgrading to the socket.- Turn the unit off after checking the completion of software update.※ If the power is off for upgrading the software, it causes a breakdown.※ 2G SD Memory is not supported. (SCHC memory is supported)