Since I'm starting to ship out MOTM-650s, it's
improtant to understand the issues with V1.3 FW and documentaion (or lack
thereof):
a) I will send the info I have. There info is based
on the Europa mod for the Jupiter 4:
and you will see references to "push this
button...." but for the '650, it's a distinct menu item
b) there are 3 know "issues" with the firmware (and
some minor ones)
1) you can't "flood" MIDI data to the '650, meaning
blasting running status/16channels of 64 notes each/etc. Also, it *hates* the
Kurzweil MidiBoard (why, I could never figure it out). Try to 'pre-filter' MIDI
data if possible. It's not that difficult to do.
2) Even though there menu "says so", you *cannot*
assign AUX outputs to CC messages unless they are the 'named' ones (like Breath
Controller or Pitch Wheel). If you want to use the AUX outputs with your
sequencing program, just pick a named CC and it will work fine. Just because
it's NAMED Mod Wheel doesn't mean you have to use it as such. It's just a
*name*, not a *function* to the '650. You control where the patch cord goes
:)
3) trying to drive the arpeggiators with external
clock can be erratic. Some people claim no problem, other say it locks up. MIDI
clock and internal clock work great. The dual arpeggiators are VERY WELL DONE in
the code as are the complicated poly voicing allocation algorithms.
Don't forget (and this is not mentioned in the
docs) there are 15 tuning tables pre-loaded for micotuning fun, and you can dump
tuning tables to it.
The SW is not perfect, but it's a poor 8051 8-bit
controller with 768 bytes of RAM running at 1MHz rate. It's doing the best it
can :)
The basic MIDI-CV functions work perfectly and this
***IS** the most accurate and stable MIDI-CV ever made (tru 16-bit accuracy,
<5ppm drift).
I know someone had a really nice menu flowchart for
the '650. If someone has that, please put it up and send me a copy. It was on my
crashed HD :(
Paul S.
