using the 6 qt DUO
Ive set some jared tomato to simmer using the Saute button the adjust button to ' less'
the ' less ' isn't really a button but one of three choices under the digital dial :
less ------ normal ------- more
here is a screen shot of the manual , pp 17 :
but you've done that as far as I can tell.
I didn't do this to actually reduce the volume , just to get the tomato sauce to a slow bubble while I
sauté's the two batches of ground turkey and several turkey italian sausages in a conventional pan
to add to the tomato sauce I didn't thermapen the sauce to see the temp.
the HPressure to make ragu.