To edit a table, double-click on the appropriate item in selected tables listbox of "Select Tables" page. Then the dialog box appears to specify table name, type and default value for every field using "Field info" group of controls. Also it is possible to exclude columns from conversion result by unchecking the corresponding checkbox.
Note: listview on the left of "Edit Table" dialog window contains column attributes for the original PostgreSQL table, new types and attributes will be displayed in "Field info" controls when the corresponding item is highlighted in the listview.