Apple Logic Express 8 - Manual (Page 604)

604 Chapter 25 Mixing
To revert to default channel I/O labels, do one of the following:
m Click the corresponding button in the Channel column.
m Choose the desired Reset menu command to reset the following channel strip types to
their “default” names (as shown in the Channel column):
 All Labels
 Input Labels
 Output Labels
 Bus Labels
To use the I/O labels provided by the hardware driver:
m Click the corresponding button in the Provided by Driver column.