Apple Logic Pro 9 - Manual (Page 1165)

µ
Click one of the three Initialize buttons below the Show As pop-up menu.
• Default: Click to activate the default setup of Logic Pro. For example, for the 5.1 format,
this means that input 1 is routed to the left speaker, input 2 to the right one, input 3
is assigned to left surround, input 4 to right surround, input 5 to the center speaker,
and input 6 to the LFE channel.
• ITU: Click to assign the International Telecommunications Union standard, used by
many professionals.
• WG 4: Click to use the WG4 standard, set by the DVD Forum for DVD-Audio.
1165 Chapter 39 Working with Surround