Mixing : Basic Mixing : Instrument Tracks and Signal Flow : Routing with an Instrument Track

Routing with an Instrument Track
To route audio from an external MIDI instrument to an Instrument track:
1 Click the Input Path selector of the Instrument track and choose the corresponding hardware input for your external MIDI instrument.
2 Click the Output Path selector of the Instrument track and choose an output or bus path.
3 In Instruments view, click the MIDI Input selector, and assign a device and channel from the pop-up menu to record and control the external MIDI instrument.
4 In Instruments view, click the MIDI Output selector, and assign the port and channel for the external MIDI instrument from the pop-up menu.
5 Adjust the Instrument fader to set the volume.