You will need a PC or Mac to download the update file and transfer it to the USB drive.
Once your software is current, you can unlock the full potential of the SC-UA7 with these exclusive configuration tips:
When you power the system back on and check the "SW VER." again, it should display your new software version, V1.13.
The display will show the progress, changing from "UPD 0%" up to "UPD 100%" .