Problems with burning Nights

I downloaded Nights and unrared it-the I wanted to use Satconv to convert it to European and Satconv says

"Area Symbols: ETU"

What does that mean?

I used Satconv and converted it to European but there were still these 3 letters.

When I burned it with fireburner the game did not work.

Was there someone with the same problem?
'ETU' refers to the fact that it will work in a European, Taiwanese (or Philipines) and US Saturn.

Considering you're having problems with PDS as well, are you sure you are swapping correctly?
I am very sure because all other games work perferct to me :(

My Pal Saturn is Model 1 so it is easy to swap.

I will try using binchunker now for PDS-perhaps then it will work.