At the top left of the Document Detail are several tabs with numerous functions. The Page tab tells you the Page Information including Page Number (Arrow 1), displays when the document was last saved, allows you to create Notes about the page (Arrow 2). Under the Zones Auto-detection section, there is the Sensitivity Slider (Arrow 3) with an Apply to All Pages button. Next is the Reading Order section (Arrow 4) and Page Orientation section (Arrow 5). More detail on these functions can be found under Dealing with Text.