Hi! I have some problems with the 808D. I want to make an M20x1,5 and M20x2,5 DIN 76-B undercut. I know that it is not possible with cycle, because it will not be accurate to Din 76-B. How can I do it in contur to have it according to DIN 76-B (g1 and g2 values schould be according to DIN 76-B? Can somebody help me please?