Get the Cincinnati TC grinder handbook/manual. It shows many Tc grinding fixtures and methods, valuable for any Tc grinder, and those who want to be grinder hand.
Free at Vintage Machine (send them a $10 donation for being there for us.0
The quick logic is to hand hold the cutter to a parked wheel and visualize what method/fixture is needed to do the task.
To bring the cutter edge to the wheel, and then knock (Hand bump)the edge (table or fixture) to a match is much quicker than trying to view dials and adjust the numbers.
Very often the dial/protractor numbers are not exact because of compounding.
To match the grind and then adjust a tickle is much faster.