In this view the source files are prepared for print and shown in miniatures as well as in actual size:.
If you click on one of the miniatures, the page will be displayed in the right window.
The orientation can bechanged from protrait to landscape and vice versa.
The acual page can be shown in different scales, 50% ...150% or as a whole page.
If you click on the blue book, the file can be exported to a PDF file.