Using the Mackie Control Plugin requires Digital Performer 3.1 as a minimum. The DP3 to 3.1 update, and the Mackie Control Plug-in can be downloaded for free at motu.com

1) Connect MackieControl MIDI IN and OUT to the MIDI OUT and IN on
one port of your functioning MIDI interface.

2) Launch FreeMIDI setup and choose "create device" from the configuration menu. Choose Manufacturer : Mackie, and Model : HUI. Change the "name" to "Mackie Control".
* If you download and install the full version of FreeMIDI 1.48 from motu.com a device named MACKIE "Mackie Control" will be listed in FreeMIDI.

3) Open a Digital Performer project and select “Control Surface Setup" in the Basics menu.

6) Select “Mackie Control" in the "Device" field. The "Unit" field should then say "Mackie Control" as well.

7) In the "MIDI" field of this window, choose "Mackie Control"

8) Click OK in the Control Surface window. Faders on the Mackie Control should snap to DP's current mixing board settings. Transport and other functions on the Mackie Control should work as well.