The group list permit to select in which newsgroup you want to search
binary files. To create a group list in the main window click the group
lists button (fig 6).

fig 6
The group list window will be displayed (fig 7).

fig 7
You have to select the newsgroups in the Master newsgroups list (red
circle), then click the add/remove button (yellow circle), the newsgroups
selected should be displayed in newsgroup selected list (green circle)
see fig 8.

fig 8
Now, you have to record your group list by clicking the
"Save List" button (see fig 9)

fig 9
