ADOBE READER 8
User Guide
34
Apply Layer Overrides
Displays all layers. This option affects all optional content in the PDF, even layers that are not
listed in the Layers panel. All layers are visible, regardless of the settings in the Layers Properties dialog box. You
cannot change layer visibility using the eye icon until you deselect this command. You can edit layer properties in
the Layer Properties dialog box, but changes (except changes to the layer name) are not effective until you choose
Reset To Initial Visibility in the Options menu.
Note:
You cannot save the view of a layered PDF by using the eye icon in the Layers panel to show and hide layers. When
you save the file, the visibility of the layers automatically reverts to the initial visibility state.
Editing layered content
You can select or copy content using the Select tool or the Snapshot tool if the PDF document includes usage rights.
These tools recognize and select any content that is visible, regardless of whether the content is on a selected layer.
You can add content, such as review comments, stamps, or form fields, to layered documents just as you would to
any other PDF document. However, the content is not added to a specific layer, even if that layer is selected when the
content is added. Rather, the content is added to the entire document.
Page thumbnails and bookmarks
About page thumbnails
Page thumbnails
are miniature previews of the pages in a document. You can use page thumbnails in Reader to jump
quickly to a selected page or to adjust the view of the page.
When you move, copy, or delete a page thumbnail, you actually move, copy, or delete the corresponding page.
Create page thumbnails
Because page thumbnails increase file size, they are not automatically created. After you create page thumbnails, you
can embed them in the PDF. Embedding prevents the page thumbnails from redrawing each time you click the Pages
button, often a time-consuming process. Embedded page thumbnails won’t reflect changes that you make to
document pages until you unembed the page thumbnails.
See also
“PostScript options” on page 126
Create page thumbnails
❖
Click the Pages button on the left.
Page thumbnails appear in the navigation pane. This process may require several seconds, particularly in larger
documents. The drawing of page thumbnails may pause if you interact with the application during this process.
Resize page thumbnails
❖
In the Pages panel, choose Reduce Page Thumbnails or Enlarge Page Thumbnails from the Options menu.
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