The sport is quite different from the SE version we race. It has a boomless main and a jib and no real way to control mast rotation. With a few additional parts the boat can be set up either way. If he post his questions here or on the hobie forum he will get all the help he can handle.
http://www.hobiecat.com/community/viewforum.php?f=15&sid=cc3faca173ee076bfee2cf1c3466b273