In Logic Pro or Logic Express 7.1, if you create four automation nodes by Control-Option-Shift dragging with the Automation tool over a selected area, the second, third, and fourth nodes will appear highlighted. However, only the second and third nodes should be highlighted.
This issue is resolved in Logic Pro and Express version 7.1.1 or later, available at Apple Downloads. The description below remains for 7.1 users who don't have time to update immediately.
Here's a picture of what the four nodes look like when you first create them:
Because the fourth node is highlighted along with the second and third, this makes it difficult to adjust only the automation within the area you selected. If you drag the selected set of nodes, you'll also affect automation to the right of the intended area. Here's what this looks like:
To work around this issue, click on the background of the Arrange window to deselect all nodes and then drag the line that connects the second and third nodes.
