hi could Bruce? wayne? john? or any one else of the pro's

answer this...
like this "edia2368's graph in this post for instance.....
whould it be better lo let REW auto adjust the peaks/filter(s) the first 1-2 runs?
like this for example :
first run:
1.adjust sub to 75db (or 85 or 105) ref level
2.use the "auto" set target level in REW
3.Find filter peaks
4.set filters
5.Optimize+adj. gains
6.send filter(s) to bfd
second run:
1.adjust sub back to 75db (or 85 or 105) ref level (since its lower after first run)
2.use the "auto" set target level
3.Find filter peaks again (this time REW probably finds more peaks)
5.set filters
6.Optimize+adj. gains
7.Put in the filter(s) in eq setting from previous run to this run manually
8.send all filter(s) to bfd
9.adjust sub back to ref level again
then make minor adjustements if needed....?
whould this be wrong way to go?
thanks/Hasse