Adobe 22020772 User Manual page 78

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Viewing the Logical Structure Tree
To view nested elements, click the plus sign. All child elements on the next level
will be displayed. A child element may also include one or more children, which
is similarly indicated by plus signs on lower levels of the structure hierarchy.
If the current document is not a tagged Adobe PDF file, no structure will be
displayed in the Tags palette. Instead, the message "No Tags available" will appear
in the Tags palette.
Using accelerator keys
In addition to clicking on the boxes next to elements individually, Acrobat 5.0
provides a number of accelerator keys which can help move more quickly
through the tree.
With an element selected, use the right arrow key to expand the
Arrow keys
element, and the left arrow key to close the element. The up and down arrow keys
will move you up and down the structure tree, while the left and right arrow keys
will move up and down a series of nested elements.
With an element selected, use the plus key on the number
Plus and minus keys
pad to expand an element, and the minus key to close it.
Use the star key on the number pad to
Forward slash and star key (Num pad)
open the tree to show all elements, and the forward slash key on the number pad
to close the tree. Using the shift key in combination with the star key will open the
tree one level at a time.
Holding down the Ctrl key (Windows) or Command key
Control clicking
(Mac® OS), will expand and close the entire tree.
Highlighting Structured Elements
It may not always be easy to determine which elements in the logical structure
tree are related to content or text in the document. To view the association
between elements displayed in the Tags panel and the actual page content,
Associated Content Highlighting is provided in the Tags panel menu.
To highlight content
From the Tags palette menu, select Turn On Associated Content Highlighting.
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