Specifications
PRE Guide20
Configuring MIDI Studio in 
AMS for PRE
(Mac Only)
The following are basic instructions for config-
uring PRE in the Apple Audio MIDI Setup appli-
cation (AMS).
To configure your PRE with AMS:
1 Do one of the following: 
• Launch the Apple Audio MIDI Setup (Ap-
plications/Utilities).
– or –
• In Pro Tools, choose Setup > MIDI > Studio 
Setup.
2 If the MIDI Studio window is not shown in 
Audio MIDI Setup, choose Window > MIDI Studio.
3 Do one of the following:
• Double-click the PRE icon.
– or –
• If there is no icon for the PRE, click Add Device 
in the toolbar at the top of the window and do 
the following:
• Double-click the New External Device icon.
• Select Digidesign as the Manufacturer.
• Select PRE as the Model.
4 Click Properties.
5 Enable the appropriate Channels for the Trans-
mits and Receives options.
6 Click Apply and close the Properties window.
7 Connect the PRE icon to the correct port on 
the MIDI interface icon:
• Click the arrow for the output port of the 
PRE and drag a connection to the input ar-
row of the corresponding port of the MIDI 
interface.
• Click the arrow for the input port of the 
PRE and drag a connection to the output 
arrow of the corresponding port of the 
MIDI interface.
MIDI Device Properties for PRE
Connecting the PRE to the MIDI interface in the AMS 
MIDI Studio window










