NOOK User Guide Reading 122The rules for the choice of text font are:• EPUB format: Content is displayed using fonts embedded in the EPUB file if present. If fontsare not embedded, content is displayed in the text font you choose in the Reader.• PDB format: Content is displayed in the text font you choose in the Reader, with oneexception: Light Classic is not available for PDB files. If you choose Light Classic, then yourNOOK uses Amasis for content in PDB format.• PDF format: Content is displayed in the font(s) embedded in the PDF file, or in the font LightClassic if a font is not embedded in the PDF file. You cannot change the font in which a PDF fileis displayed. For PDF files, the Preferences > Text font menu item is gray (not selectable).In all cases, scanned content that has not been processed with character recognition (for example,scans of entire pages or images that contain text) displays whatever text font was scanned.Changes in the text font only affect EPUB and PDB files in the Reader. They do not changethe text font for PDF files. They do not change the text font in The Daily, Shop, Library, orSettings. They do not change the text font in the touchscreen menus.To change the Reader text font:1 In the Reader, choose Preferences > Text font.2 Choose among the text fonts listed in the menu.When you change the Reader text font in a PDB file, your NOOK repaginates the content.It can take up to several minutes before your NOOK displays the progress bar and pagenumbers.Reader Text SizesYou have a choice of six text sizes for all eBooks and periodicals. You can choose the text size Extrasmall, Small, Medium, Large, Extra large, or Extra extra large. Your choice affects the actual textsize, but it does so differently for PDB, EPUB, and PDF files.Other text in digital content, for example, chapter and section headings, is also sized proportionallybased on the choice of Reader text size.