To edit a line in the operator window, double-click it in the program window. If you make changes to the parameters and click OK or Replace, the original line in the program is updated. You can also edit the program directly in the program window (see section “Editing Programs”).
Double-click the second line of the program to adjust the threshold operation. Replace the value 30 with 56 and click Replace. The program line is updated in the program window.