Apple Logic Express 8 - Manual (Page 848)

848 Chapter 35 Synchronizing Logic Express
MTC Interpretation
As the MIDI standard only supports four of the six commonly used time code formats
(the 30 fps and 29.97 fps formats are not differentiated in the MIDI specification),
Logic Express needs to decide which format is intended, when it encounters incoming
time code.
Incoming MTC (MIDI Time Code) is interpreted as follows:
 24 fps is interpreted as 24 fps.
 25 fps is interpreted as 25 fps.
 30 fps drop frame is interpreted as 29.97 drop fps.
 30 fps is interpreted as 29.97 fps.
You can, however, manually set the format in the File > Project Settings >
Synchronization > General > Frame Rate pop-up menu.
Note: MIDI Time Code (MTC) is the MIDI equivalent of the audio-based SMPTE (Society
of Motion Picture and Television Engineers) time code format.