# Coordinate systems

Coordinate systems are defined, selected and deselected by NC command. The section below deals briefly with programming. A detailed description of NC commands is contained in the Programming Manual (see PROG documentation).

## Additional information

- Selecting a coordinate system (#CS)
- Rotation in a plane (contour rotation)
- Coordinate system for fixture adaptation (#ACS)
- Linkage of coordinate systems
- Effector coordinate system (#ECS)
- Temporary transition to the machine axis coordinate system (#MCS)