1. Connect a MIDI cable from the A-33™s MIDI OUT
to the MIDI IN of a sound module (preferably a
GM/GS module such as the MGS-64).
2. Press PATCH A and use the PATCH buttons to
select Patches 1-16 (The patch numbers are
labeled above the buttons).
3. To select the second set of 16 patches, press
PATCH B, and use the PATCH buttons 1-16.