Upgrade instruction for Ferguson Ariva S300
1. Please copy the .ssu file to a usb device
2. Connect the device to the receiver
3. Go to Menu-Upgrade-USB Upgrade
4. Go to the left window and choose the device
5. Go with the arrow button to the left window and choose the copied .ssu file
6. Confirm the pop up message
7. Wait til the upgrade will finish
8. The receiver will restart after upgrade