Emu XL-7 & MP-7 User's Group

So far as I can tell, when you set the basic channel, that's the channel that has the preset that gets edited via the preset parameter sysex edit commands. Lemme break that down:
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You already figured out how to edit the sound on the fly using the edit buffer (instead of the presets saved in User memory). 

The missing link was: 
How do you tell subsequent parameter edit commands what channel has the preset you want to edit?

Answer:
Set the basic channel!!! 
(In other words, set the MULTIMODE_MASIC_CHANNEL.)
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For my test, I started pattern arps on channels 1, 2, and 3 and set CC64 to 127 so they would keep playing.

I had already pointed PRESET_SELECT to the edit buffer.

I set the basic channel (via sysex: MULTIMODE_BASIC_CHANNEL) to Channel C01B and set the arp mode to 0 (via sysex). That turned the arp on C01B to up mode and the pattern stopped playing.

Next, I changed the basic channel (again via sysex) to C02B and set the arp mode to 0 (with the same result). 

Finally, I did the same for the arp pattern on C03B.

(As simple as 1, 2, 3).
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Hope this makes sense. (Of course, now I'm wide awake when I should be sleeping!!!)



--- In xl7@yahoogroups.com, "oasys_user" <sleporester@...> wrote:
>
> You are a MACHINE Steve.
> 
> I don't quite follow what MULTIMODE_BASIC_CHANNEL does.
> 
> 
> --- In xl7@yahoogroups.com, "steve_the_composer" <smw-mail@> wrote:
> >
> > BINGO!!!! (At least it seems to work in my tire state.)
> > 
> > BTW, for id = 139, 140, and 141 max = 31 (not 15) on two port (A/B) E-Mus.
> > 
> > In short:
> > Use MULTIMODE_CHANNEL_SELECT for Multi Mode Parameters.
> > Use PRESET SELECT = -1 for edit buffer (preset parameters). 
> > Use MULTIMODE_BASIC_CHANNEL to set the basic channel.
> > 
> > Hope this helps.
> > 
> > Steve
> > 
> > 
> > 
> > 
> > --- In xl7@yahoogroups.com, "steve_the_composer" <smw-mail@> wrote:
> > >
> > > FOOTNOTE:
> > > 
> > > Maybe this is it: look at p. 42, id = 139 - MultiMode_Basic_Channel. Perhaps that's what you use to select the basic channel that the edit buffer works on.
> > > 
> > > I will try it.
> > >
> >
>