Apple Logic Pro 8 - Manual (Page 818)

818 Chapter 35 Working With Surround
Setting the Output Format of a Channel Strip
You can set the output of all audio, instrument, input, output, and aux channels to the
chosen project surround format.
To set a channel strip output to surround:
m Click-hold the Output slot of the desired channel strip, and choose Surround in the
pop-up menu.
The Pan control of the channel strip is replaced by a two-dimensional surround control.
The loudspeakers are represented by colored dots, and the pan position is indicated by
a white dot that can be grabbed and moved.
You can also simultaneously change the output format of multiple selected channels to
surround (or another format).
To change the surround status of multiple channels:
1 Select all channels that you want to set to surround output.
2 Click the Output slot of one of the selected channels, and choose Surround from the
pop-up menu.
Automatically Determining the Output Format of Channel Strips
Logic Pro automatically sets the output format of specific channel types, based on a set
of rules for each.