I have recently put together a cnc router. Using CNC sPRO v5 controller, and its online software or CNCjs software. I set it up (as per mfr instructions) with the limit switches set up so the back right corner is where it will go zero. Meaning any travel away from that corner is now negative on the classic x/y/z model.

If i try to leave the corner I hit my 4mm travel limits. If I flip any axis, I run into the ends of everything. is this the classic way things are setup? Why can i not leave this corner to the other corner, which would be -1300,-1300?