Sending MIDI Beat Clock Over IAC (Mac Only)
You can synchronize other MIDI applications that use the Apple Inter-Application Communication (IAC) driver to Pro Tools by transmitting MIDI Beat Clock on the IAC bus.
To transmit MIDI Beat Clock on the IAC bus:
1. Choose Setup > MIDI Studio.
2. In the MIDI Devices window of Audio MIDI Setup, double-click the IAC Driver icon.
3. Configure the IAC Driver ports and confirm that it is online.
4. Choose Setup > MIDI Beat Clock.
5. In the MIDI Beat Clock dialog, select the Enable MIDI Beat Clock option.
6. Select the IAC Driver ports you want to enable for sending MIDI Beat Clock.
7. Click OK.