Apple Logic Pro 9 - Manual (Page 557)

Using Transient Markers to Edit in the Sample Editor
You can use transient markers to edit selected areas of an audio file, or the entire file, in
the Sample Editor. For this you need to be in Transient Editing mode.
Note: When you are working in Transient Editing mode in the Sample Editor, the
Command-click tool changes default value, from the Hand tool to the Pencil tool.
To turn on Transient Editing mode
Do one of the following:
µ
Choose Transient Editing Mode from the local View menu in the Sample Editor (or use
the Toggle Transient Editing Mode key command).
µ
Click the Transient Editing Mode button in the Sample Editor.
557 Chapter 17 Editing Audio in the Sample Editor