The page list is useful for navigating the document and selecting pages for printing. To view a page simply click on the page number in the list with the left mouse button.
If you want to mark a page, click on it with the middle mouse button. A flag will be displayed in the first column of the page list to show that the page has been marked. You can clear or change your page marks using the menu of choices that is activated with the right mouse button. The choices available are
Mark current
Mark all
Mark even
Mark odd
Toggle marks
Remove marks