when the manipulator is required to move parallel while maintaining the tool orientation with the
workpieces.
User can set the tool coordinates number 0-7 according to the actual tool conditions.
9.2.2.4 User Coordinates
The user coordinates are defined by teaching the manipulator three points, and the
manipulator moves parallel to each axis of the coordinates which are set by the user.
The user can set the user coordinates number 0-7 as needed.