NAD T517AHT Service Manual page 7

7. Copy the changed file to a disc.
8. Insert the copied disc to DVD-player.
9. If the below picture appears on the screen, Press " " key.
10.After the below picture appears on the screen, Disc will emerge from DVD-player automatically.
Take the disc out of the DVD-player.
11. After Disc download is completed, DVD-player turns off and then turns on automatically.
12.Do it again the process 1, 2, 3, 4 to confirm the version.
1-6