Now the position corresponding to 0 de- grees for the angle in axis 1 is to be set. Move the robot arm using the '+' and '-' keys so that the centering tip is located as exactly as possible above the middle of the 0 degree-line (X-axis). Confirm this position using 'Enter'. After pressing 'Enter' the ROB3 initially assumes a 'starting position', in order to drive from there at full speed to the pos- ition previously determined by you in single step mode. It is possible that you must now correct any existing deviations using the '+' and '-' keys. 'Enter' brings about a repetition of the test run! The now correct position (to approx. 1 mm exactly) is confirmed using 'Ctrl-Enter'.