Thank you for your reply acadoid. I have reinstalled the full version of LN and observed the same lag (no synchronisation). Would this be the same as installing the trial version?
Sure but why not just offer a pull down menu with different settings and a way to change the dpi of the notebook? And also there is nothing wrong with offering a way to match certain page number from the pdf file. I use pdfs every day and most of the pdfs are alays single size, it is a rare thing to come up with a multiplle page format pdf,, it happens but it is rare.@hajkan: PDF files can contain multiple page sizes, in general each page can have its own page size.
LectureNotes gives recommendations when you click at the `?´ aside `paper size´.