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Signatures

A signature in PDFClerk terms refers to the number of sheets to be folded together to form a bindable section of a book. Normally one would not a apply a signature of more than 1 sheet for impositions other than 2-up, since the desired signature for those layouts is usually the resulting signature of folding the sheet the required number of times and trimming it. But it is possible to specify multi-sheet signatures for such impositions, and PDFClerk will do the right thing when distributing the pages among the sheets. For 1-up layouts signature has no effect and is therefore not available in PDFClerk. This setting is most useful for any 2-up layout (meaning four pages per sheet: two on the front side, and two on the back side).

PDFClerk will automatically calculate a magazine style global signature, encompassing all pages in the document, if this option is checked in the imposition template. The number of pages in a signature can be adjusted dynamically at any time in the toolbar or through the Tools menu.

See also

Layout Topics
Impositions & Templates
Impositions Editor