Upgrading from rt 1 to 3

How much of the RT2 install (if any) must be performed to go from RT1 to
RT3? At first glance, it looks like I can just use the 1->2 db converter,
then the 2->3 converter, but I wanted to make sure. Has anyone
successfully done this and can allay my fears?

Thanks,

Justin Clayton
VLSI Research System Administrator
University of Washington
Electrical Engineering Dept
justincl@u.washington.edu
206/543.2523 EE/CSE 307E