Ya, oldest versions did not have the re-sync interval O30 if I remember correctly.
O29 is the lowering time 30 sec. is max so I usually set it to that but I have been told by those who know more than I that it just needs to bottom out so the pistons don't fall away and suck air. Actually DMCs would drop the valve coil when the pressure switch opened for this reason. FJR is the Force Jack Re-sync command, WJR is the When Jacks Re-sync command to show every time the car has done one. I will look and see if I can find the bulletin from when the software with O30 came out, I think in that same bulletin they suggested deleting the static sensors since the car would be syncing nightly, but don't do that.