For Contour plots, Directivity plots, Isosurface plots, Contour datasets, and Isosurface datasets, under Levels and from the Entry method list, select Number of Levels or Levels.

If Number of Levels is selected, enter the total number of levels in the Total levels field (the default is 20 for plots and 5 for datasets). The Round the levels check box is selected by default to round the values of the levels. Otherwise, enter the values of the contour Levels or click the Range button () to define a specific range of levels.