don´t forget the possibility that all copy-protected styles MIGHT not work after recovery...
They SHOULD ( because the Audyas only use the harddisk serial numbers instead of that one on the patch of the Audya´s case ), but you´ll know it definitifely only AFTER you did the restore.
So I recommend FIRST you connect your Audya´s HD via an adaptor to a PC, make a SECTOR ! Copy and then try the restore
BTW: Writte portugeese is much easier to understand than spoken ( I don´t understand any word of spoken port. ), even without translation programs