System Configuration : Peripherals : Machine Control : MIDI Machine Control (Slave)

MIDI Machine Control (Slave)
Pro Tools provides the following for configuring MIDI Machine Control (Slave) settings.
Enable
When the Enable option is selected, Pro Tools is the slave and it receives MMC commands from the master device and sends MTC information back to the slave device.
MMC ID
The MMC ID setting lets you specify the MMC ID number for which MMC information will be received.