1860 — Fanuc Parameter

: After making the change, ensure that the new value is saved. Some systems may automatically save changes, while others require a manual save command.

Fanuc provides an approximation:

unless instructed by a certified Fanuc technician or a detailed machine manual. Incorrectly changing this value can cause the machine to "think" it is in a different location than it physically is, leading to high-speed crashes into hard stops or fixtures. fanuc parameter 1860