Edirol StudioCanvas SD-20 Owner's Manual page 55

Getting connected and installing drivers (Macintosh)
10
Exit OMS Setup.
From the File menu, choose [Exit]. If the AppleTalk confirmation dialog box
appears, click [OK] to close the dialog box.
This completes connections for the SD-20 and Macintosh, and installation of
the MIDI driver. Now, MIDI data can be input and output (recorded and
played).
54
If the SD-20 does not
produce sound, refer to No
sound (p. 62).