[Books / Periodicals]

Sets preferences for all books/periodicals. You can adjust the default font size.

[Refresh Display]: Refreshes the display at each page turn*.

* Even if the [Refresh Display] check box is not selected, the screen may still flicker, to prevent after-image.

[Page Sync]: Sets page synchronization of page position, bookmarks and highlights.

[Dictionary]

Specifies the default dictionary.

[Picture]

Sets the slideshow interval.

[Browser]

Sets the browser preferences.