[Empty List]: Erase the current list and add 50 empty lines
[Open]: Import CSV file
To insert a single variable, simply double-click it. To insert a group of variables, select them all and then [Insert].
NOTE
Each time the dialog is opened, the attached csv file is read and hence kept up-to-date with the last FPWIN Pro GVL export. However, this does not inserted channels are automatically updated!