just copy over files is all you do, AVI is a container and within that container will be the actual settings used, these player play AVI files with Xvid or Divx, so head on over and download a little utility called GSPOT and check what you AVI container is actually holding
BTW do n ot believe the hype of never needing to convert video files ... it bull ,, too many ways to make videos and no player in the world can accomadate the millions of scenarios re video
download here
http://gspot.en.softonic.com/
these players are quite versatile so have a look with gspot and see what make up your file
also can we see the playerand you say it is 8 and not 16 ,, have you complained yet