2. Select [Calculation]→[Difference Calculation] on the Menu Bar.
[Difference operation settings] window will be displayed.
3. On the difference calculation setting dialog window, select the data file subject for the
calculation of level difference. If the measurement data file subject for the calculation are not
imported to the measurement data file list, such file names will not be displayed in the left side
file name list column.
4. Click [→] button. Selected file will be copied to the right side file name list column.
This window will be displayed
by the selection of
[Difference Calculation]