![]() Select a heading tag (H1, H2, etc.) ( Figure 19). Instruction 1: Open the "Tags" pane (View > Show/Hide > Navigation Panes > Tags). AT cannot infer meaning from just formatting, like bold or underline, so visual headings must correspond to a heading tag and heading tags (i.e., H1, H2, H3) must match the visual outline. Headings are used to break up content and make finding information easier. Test B: Do the tags follow the visual / logical order on the page ( Figure 15)? If not, the PDF fails this test.įigure 14: Tags Options Menu � Highlight Content enabledįigure 15: Example of expanded tags that follow the visual / logical orderĥ.ĝoes the document have decorative content? Use the up and down arrow keys to move through the tags. Instruction 2: Select the plus symbol on "Tags" ( Figure 15) to expand all tags. Are all meaningful objects and text highlighted? If not, the PDF fails this test.įigure 13: Enable Navigation Panes / Tags Enable "Highlight Content" from the "Tags" pane "Options" menu ( Figure 14). (View > Show/Hide > Navigation Panes > Tags) ( Figure 13). All meaningful text and objects must correspond to a tag, and the order of the tags must follow the visual / logical order of the document. Screen readers rely on tags to interpret the document structure (headings, paragraphs, lists, images, data tables, forms, and other objects). The PDF fails this test.įigure 8: Accessibility Full Check results for a partially scanned document If "Tagged PDF � Failed" displays the document may contain scanned pages. Expand the "Document" category in the "Accessibility Checker" pane to view issues ( Figure 8). Instruction 3: Run the "Accessibility Full Check (View > Tools > Accessibility > Full Check > Start Checking)". Test B: Does "Image-only PDF � Failed" display under "Document"? If yes, the PDF fails this test. ![]() Expand the "Document" category to view Failed issues ( Figure 7).įigure 7: Accessibility Full Check results for a scanned document Instruction 2: Run the "Accessibility Full Check (View > Tools > Accessibility > Full Check > Start Checking)". Test A: Does your document display a "Scanned Page Alert" when opened? If yes, the PDF fails this test. Instruction 1: "Scanned Page Alert" ( Figure 6) displays when you open the PDF. Optical Character Recognition (OCR) software may be used to recognize the image of text in the PDF. Screen readers cannot infer meaning from just a picture. Scanned pages are actually pictures of the original. All or part of a PDF may be compiled from scanned pages.
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