Apple Logic Pro X - Manual (Page 864)

Chapter 25 Preferences, project settings, and key commands 864
When Additional MIDI Options is selected in Advanced preferences, the following are
available:
•
MMC Uses pop-up menu: Choose between the following settings:
•
MMC standard messages: The MIDI MMC specification is strictly followed.
•
Old Fostex format: The old Fostex format is used for MIDI Machine Control.
•
Output ID (Transport) checkbox: The All checkbox sends MMC to all ports. The field to the right
allows you to specify an output port ID.
•
Input ID (Transport) checkbox: The All checkbox sends MMC to all ports. The field to the right
allows you to specify an input port ID.
•
“Transmit record-enable commands for audio tracks” checkbox: If this option is selected, MMC
Record Enable/Disable commands are also sent when audio tracks are record enabled or
disabled. In addition, any received MMC Record Enable commands will set the record-enabled
state of audio tracks.