Nacra 6 user guide (Tuning Manual)

I'm looking for Nacra 6 user guide (Tuning Manual).
Can anyone send me a link for a good document.

Thanks,

Is this what your looking for?

http://www.catsailor.com/Art_TuningNacra.html

Also here...scroll down.

http://sailinglouisiana.com/?cat=11

And

http://home.zonnet.nl/held20/NA60tune.htm

Thanks, lots of good stuff! I definitely will put a rudder alignment board in my box.