Sync and Video : Working with Synchronization : Enabling MIDI Machine Control in Pro Tools : Pro Tools as MMC Slave

Pro Tools as MMC Slave
When Pro Tools is the slave, it receives MMC commands from the master device and sends MTC information back to the slave device.
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In order for Pro Tools to receive MMC commands, the MMC source must be enabled in the MIDI Input Enable dialog. For more information, see Enabling Input Devices
To slave Pro Tools to an external device using MIDI Machine Control:
1 Connect a MIDI In port on your Pro Tools MIDI interface to an appropriate port on the master device.
2 Connect a MIDI Out port on your Pro Tools MIDI Interface to the MTC in port on the master device.
3 In Pro Tools, choose Setup > Session.
4 In the Timecode Settings section of the Session Setup window, select Using MTC.
5 Choose Setup > Peripherals and click the Synchronization tab.
6 Deselect Enable SYNC Peripheral if it is selected.
7 From the MTC Generator Port pop-up menu, select the MIDI Out port to which the master device is connected (this the destination of MTC information from Pro Tools).
8 Click the Machine Control tab in the Peripherals dialog.
9 In the MIDI Machine Control (Slave) section, select Enable.
 
10 Set the MMC ID number (channel) on which this information will be received in the “ID” field.
11 Click OK to close the Peripherals dialog.
Pro Tools will now respond to MMC commands from the external device.