24p cfhd.avi to Digibeta
 

I have some problems i dont know how to solve.
I did edit in premiere with cineforms aspect hd, 1280 x 720 23.9fps (progressive).
The footage was shot with jvc GY-HD100 in 24p.
And now when the video is ready i need to transfer it to a digibeta for broadcasting in PAL.
But then i guess i have to down convert it to a PAL SD movie. How do i do this the best way without loose quality ? I have no experience in this kind of down converts or the transfer to digibeta. So if anyone has experience in down converting cfhd.avi files to some SD format from wich i can do the digibeta master from would be great.

software i got is:
Premiere 1.5,
Cineform aspect HD
Procoder 2.0