Tap a little above the slider to display various settings
Format: Set Font-Size, Alignment, Line Spacing and Margin
Search: For characters in the book.
Chapter: Display the table of contents and move to the selected section
Bookmark: Add the current page to the bookmark list
Rotate: Alternate between the screen sideway and the facing page
Others: Configure other settings for display
Apperance: CHange the screen redraw time setting (the default is 30 seconds)
Text: Adjust the settings of Font Properties, Fon Style, Auto Hypenation and More Styles.
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