Apple Logic Pro 9 - Manual (Page 781)

To define the stereo output
1 Open Audio preferences by doing one of the following:
• Choose Logic Pro > Preferences > Audio (or use the Open Audio Preferences key
command).
• Click the Preferences button in the Arrange toolbar, then choose Audio from the pop-up
menu.
2 Click the I/O Assignments tab, then the Output tab.
3 Choose an output pair from the Output pop-up menu in the Stereo section.
The Mirroring checkbox becomes available for all chosen output pairs, with the exception
of Output 1-2.
4 Do one of the following:
• Deselect the Mirroring checkbox to have the output signal routed to the chosen output
pair (Output 3-4, for example).
• Select the Mirroring checkbox to have the output signal routed to the chosen output
pair (Output 3-4, for example), as well as to the physical outputs (Output 1-2). This is
useful when feeding the signal to a second pair of monitors, for example.
You can also define the output pair for individual channel strips in the Mixer.
To define a channel strip’s output pair
µ
Open the Output slot of a channel strip, and choose an output pair from the Output
pop-up menu.
Defining a Channel Strip’s Mono Output
You can define a channel strip’s mono output setting directly from the channel strip’s
Output slot.
781 Chapter 27 Mixing