Sony PRS-T1 User Manual page 144

Using
Below is a list of option items available when you press
the (Menu) button from the [Handwriting] content
list.
Option
[Delete
Drawings]
[Protect
Drawings]
Table of Contents
(Menu) Items
Description
Deletes one or more drawings from the
Reader. See Details.
Protects one or more drawings from
deletion. See Details.
Handwriting
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