Where to learn more about how the X-controller works

Right after getting the bit zeroed for my last cut the power cord got knocked out of the controller. I assumed when I plugged it back in that I could just load the file and start cutting. However, the bit lowered about 3/4 of an inch into the wood and went to the location where I think it was going to start cutting.

This made me realize how little I know about the X-carve under the hood to improve my cuts and diagnose errors.

Many settings are retained, like machine size and stepper motor configuration, however your issue here was the zero location. When you lose power, and restart, the machine has no idea where it is