Apple Logic Pro 9 - Manual (Page 1283)

Audio Sample Editor Preferences
The Sample Editor pane contains the following preferences:
• “Warning before processing function by key command” checkbox: Select this option if you
want to be warned before carrying out a destructive edit in the Sample Editor using a
key command. This gives you the opportunity to cancel the edit operation, before
altering the data.
• “Clear Undo History when quitting” checkbox: Select this option to automatically delete
the Undo History for all edited audio files, when you close Logic Pro.
• “Record selection changes in Undo History” checkbox: Select this option if you want to
undo and redo changes to selected areas in the Sample Editor.
• “Record Normalize operations in Undo History” checkbox: Deselect this setting if you don’t
want to create undo files when the Normalize function is used.
• Number of Undo Steps field: Lets you determine the maximum number of undo steps
that are retained.
1283 Chapter 44 Preferences in Logic Pro