It’s pretty simple. To set the height just stick your board in and lower the head until it touches the board. Then remove the board and lower it another half turn or so. Then run it through and see what you get. After a couple of times playing with it you’ll get to know the tolerances for the height. I usually don’t take off more than 1/32" at a time depending on the lumber. Be careful with knots. They’re much harder than the grain of the wood and they’ll do a number on your blades.
Losing fingers since 1969