there are a couple of members on preludeonline that have write ups this subject (because they have a JRSC in their 4G) I suggest investing 6 bucks a year to access this websites vast wealth of knowledge. No offense to the Lude owners on this site, but most of the people on PO know a great deal more than those on this site. Not trying to say ur all morons....just that since we have a pay 4 membership site....it weeds out all the people that arent hard core Prelude enthusiasts.