Hardware manual

NexSys v. 3.0 Crest Audio Inc.
Page 13.4 Software Manual
Patch changes are of the format Cn NN. Where Cn is the byte containing the channel num-
ber (C0 - CF Hex) and NN is the byte containing the patch number (00 - FF Hex corre-
sponding to patches 1-256.) Any incoming MIDI message that is not a patch change will be
disregarded by the MIDI Interface.