Each of the boxes with magnitudes, e.g.,
, allows to chose one of the four magnitudes (m1, m2, m3,
m4) reported in the catalog to be used in recalculation.
Output magnitude identifies the magnitude field where the result of the magnitude conversion described in the block Common magnitude. All the four magnitudes reported in the catalog in process could participate in the unique determination of the four magnitudes in the output catalog.
The user can introduce up to four recalculated magnitudes to be used to derive the converted, presumably, calibrated value by clicking with the left-mouse button the appropriate check-boxes on the left. To avoid using the magnitude function f(m) in the absence of input magnitude determination you can adjust the values in the leftmost and rightmost edit boxes to a desired magnitude cutoff and output constant, respectively. In the presence of input magnitude determination (i.e., when input magnitude equals to or is above magnitude cutoff) the recalculated value equals to the linear function, which coefficients should be typed in the two appropriate edit boxes.
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