when i click deplay mode i can not see the grren patter to my table...when i watch the video it did everything to MM and i set my homing and soft limites as such..... But then reallized my software set to inches...so i changed it to inches as follows X 16. Y 24. and Z -4. came back to display and hit regenerate and dis[lay button..............I get a big green L shape with item to cut in lower left corner but not the shape of my table? i have zoom in and out no change with the L except big and small?