Settings connected to observation book calculating.
Calculation method is either LSQ or Helmert. LSQ - used in both known and free station correction calculating. Helmert - used in known station, mean value calculating and free station point Helmert correction. For calculation of a traverse the Helmert correction is used always.
If a traversing line is measured using the traditional method (started from two known points and closed to two known points), it can be adjusted by using angle and coordinate errors. Select LSQ-method to use this traditional method.
Scale could be free or fixed at 1.00. In the Helmert calculation this is not used.
For LSQ calculations you can give a mean error value for the angles and distances. These are used as a weighting. You give here the accuracy of the instrument.