Operating an excavator has mainly been based on guesswork. Does this look like a 1:2 slope? Is the depth of this trench 1.5m deep or will I hit the pipeline at 2.5m? Even with the help of batter rails and reference pegs roughly providing guidance, the job still remained at best a “good guess”. Classic machine control systems are not an option because even if they provide you with all this information, they are expensive and time consuming to install and learn. EzDig The new GeoMax EzDig S and T excavator guidance system offers the easiest calibration and equipment operation available on the market – and at an affordable price. The EzDig excavator guidance systems “work when you do!”