Sony PRS-T1 User Manual page 94

Option
[Uncrop]
[Manual]
[Auto]
Table of Contents
Description
Disables cropping.
Allows you to adjust the crop area
manually by dragging arrows at the
corners. Tap [Done] to set the area, or
tap [Cancel] to cancel editing the crop
area.
Automatically crops the margins of a
document.
Reading Books
94