Now drive the gripper along a longitudinal axis (axis 5) using the '+' 
and '-' keys until the line determined by the two centering pins is 
parallel to the +45 degree line.

Confirm the position using 'Enter'.

As before, the ROB3 again drives 'dynamically' to this position and
you have the possibility for correction.

Final confirmation of this position using 'Ctrl-Enter'.