Click on the point, which represents the centre of the circle. Now,

keep the left mouse button pressed down, drag and enlarge the

circle as required. End the measurement as usual with a click of

the right mouse button. The value is entered in the table.

Click and hold down the left mouse button = drag

The circle is enlarged to the correct dimension

                                                                                               

  

End the measurement with a click  of the right

mouse button and enter the value in the table.        

                      

After a click on fine adjustment is

still possible. The circle can be positioned

newly and his area enlarged or minimized.