Apple Color OneScanner 600/27 - Manual (Page 111)

Paste
Copies the material on the Clipboard to the center of the document window
(where you can move it around as you wish). You can continue to paste copies
until you cut or copy a new selection (which replaces the contents of the
Clipboard).
Clear
In an image, removes the selection without placing it on the Clipboard. (The
contents of the Clipboard, if any, stay intact.) In an archive, Clear deletes a
selected image.
Select All (Deselect)
Selects the whole image (Select All), or cancels a selection (Deselect).
Image menu
Commands in the Image menu control the way you view an image and the
way an image looks.
103 Dispatcher Commands