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- Newsgroups: comp.music
- Path: sparky!uunet!charon.amdahl.com!pacbell.com!sgiblab!zaphod.mps.ohio-state.edu!wupost!news.utdallas.edu!convex!convex!cowles
- From: cowles@convex.com (John Cowles)
- Subject: Re: Sysex on a SoundCanvas
- Message-ID: <1992Nov17.230342.3586@convex.com>
- Sender: usenet@convex.com (news access account)
- Nntp-Posting-Host: hydra.convex.com
- Organization: CONVEX Computer Corporation, Richardson, Tx., USA
- References: <1992Nov17.160631.12236@convex.com>
- Date: Tue, 17 Nov 1992 23:03:42 GMT
- X-Disclaimer: This message was written by a user at CONVEX Computer
- Corp. The opinions expressed are those of the user and
- not necessarily those of CONVEX.
- Lines: 28
-
- In article <1992Nov17.160631.12236@convex.com> cowles@convex.com I wrote:
- >Has anyone been able to get patch parameter sysex on a SoundCanvas working?
- >I can set system parameters and I can do bulk dump uploads -
- >but what I want to do is mute a part - which *ought to be* setting
- >location 401n08 to 0. I send out F0 41 10 42 12 40 11 08 00 A7 F7 and
- >nothing happens. Am I missing something or is this a bug? Surely
- >Roland doesn't expect a performer to stop his music and mute 15 parts by
- >hand, just because he's got other modules on stage with him besides the
- >SoundCanvas. I have an SC-155, BTW.
- >
- >Using the micro-edit faclity I can change the location from 1 to 0 and
- >the part becomes muted.
- >
-
-
- I discovered that the checksum is calculated based on *SEVEN BITS!!* not
- eight bits. So, in the above, the checksum should be 27 instead of A7.
-
- I don't think this is documented very well in the manual, but tech support
- was very good. Everything is fine now and I won't have that embarassing
- pause between numbers on stage! :-)
-
- John
- --
- John Cowles cowles@hydra.convex.com
- Convex Computer Corp. 214 497 4375
- 3000 Waterview Pkwy
- Richardson, Tx. 75080
-