Hello Robert! I think you are the first poster here!
The K5 is 15 voice multitimbral. Here's the procedure:
Press INT (Multi)
Pick a patch
Press Edit
Press A
On the left you see the patch name
On the far right, the MIDI Channel
Next to the left is the multi mode - voice runs either as a midi voice, a
keyboard voice or both. A keyboard voice plays from the K5's keyboard only,
a MIX voice plays both, and a MIDI voice is only over MIDI.
Next to the left is the number of voices to assign. VR is Dynamic Voice
assignment.
Repeatedly pressing the A B C or D keys will access pages for all 15 voices,
5 at a time.
Pressing B gives Detune, and Transpose options for each voice, C gives MIDI
options for each voice, D gives more Midi options.
I think you need to go to the MIDI page (button on far right) to set patch
change to single, so that you can change the patches in the Multi over midi.
Another cool things you can do with the Multi is set everything to one
channel, and detune them all for a 15 voice (30 oscillators) Mono sound.
Very phat.
Joel