Well ya learn something every day!!
I finally clicked into that particular number system. For three years here, I've been doing "index on third fret, second string....etc. That is much simpler, and explains things fine. For me, it's seeing multiple numbers....and I freak. Don't know why, I just do.
Thanks for starting this thread Peter. Is this your first "Tech. Tips" thread, where you're "demonstrating" some of your skills? If So, Bravo.