Bigironjim said: Calibration is a simple 3 step operation... Center, square, and level the blade, either on a flat level slab, or use a 4' spirit level on relatively flat ground. The display will basically walk you through it. Calibrate "A", rotate machine 180' and calibrate"B", rotate machine 180' and calibrate "C". After you have done it a couple of times, it will take you longer to find your level and kick the dirt off the blade, than to do the calibration itself. Click to expand... Hi I was just wondering do you know how to calibrate the turntable is that included in the basic calibration or is that have to be done simply because I find that a little bit out