Set it to 100 lot and higher. Don't even bother with anything less than 50.
Watch the speed of the prints. It will take quite awhile. When it's moving through S/R how does it move.
You know what forget it. This is lost in translation. Try searching google. I think Trade the Markets has a decent free video and so does James aka SoulTrader at Traderslaboratory
I find using volume whether that be the histogram or some form of market delta that help more.