Akai S950 Operator's Manual page 59

If the 5950 is not responding to program change over MIDI, check that it is
set to respond to this on Page 04. I f i t is not, switch i t to ON. I f the
problem still persists, then, once again. the fault lies in your MIDI
controller. Alternatively, it could be that the MIDI program number has not
been correctly matched in Page 02 of EDIT PROGRAM (see EDIT PROGRAM for more
information).
If you are sequencing the 5950 (but not multi-timbrally) you may get the
following problems.
1. The 5950 is playing ALL the parts. If this is the case, go to Page 01 of
MIDI where you will find that OMNI is switched to ON (i.e. it is responding
to ALL the incoming MIDI channels simultaneously). You should switch this to
OFF and make sure that the S950's MIDI channel matches the one you wish the
part to play on coming from the sequencer.
2. The 5950 is not playing the correct musical part. Go to page 01 and
ensure that the MIDI channel matches the one you wish it to play.
If you are sequencing the 5950 multi-timbrally, you may encounter the
following problems:
1. The 5950 is playing all the parts but in a confused manner. The problem
here is that you have set the S950's basic receive channel and set the
various keygroups up correctly using the MIDI OFFSET function on Page 16 of
EDIT PROGRAM but OMNI is switched to ON. Go to Page 01 of MIDI and switch
OMNI to OFF.
2. The S950 is playing multi-timbrally but is the wrong parts. Here you have
probably set the wrong base MIDI channel so that MIDI offsets are all wrong.
To change this you can either change the S950's main receive channel on Page
01 of MIDI or you can go to Page 16 in EDIT PROGRAM and change the MIDI
offset parameters. As you would imagine, the former sugestion is the easiest!
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