Poly/Mono: (note on)
If Mono is selected in this field, then new note
messages will cut off the previous notes and new pulses or notes will be
generated out the assigned bus. This is the default and best if you have a
limited number of oscillators or want to assign each oscillator to a specific
MIDI channel. But if you enable polyphony, the bus operates polyphonically
between A-D or E-H as notes overlap. In Poly mode, up to four note
messages (note on, pitch, and velocity) are distributed between A-D or E-H
busses but ONLY IF they are addressed to the same MIDI channel number.
Tr: (or Xpose:) Transpose (pitch).
This field causes incoming MIDI note-on
messages to be transposed in semitones (chromatically) by as much as + or –
2 octaves. (-24 to +24).
Ft: Fine Tuning (pitch).
is for fine tuning. This field is applicable to only
internal busses A-D. The number 0 translates to the standard A = 440 Hz.
“An” means the fine tuning will be done with the fine tuning knob on the
oscillator itself. Numbers 1-99 translate upwards in cents. (FYI 100 cents
equals one semitone)
Vl: Velocity
. MIDI note messages include velocity information. Normally, this
information is sent unaltered, but if desired, non-linear transformations can be
applied to velocity. Velocity curves are displayed graphically, with the normal
linear response displayed as /, and other responses displayed as slanted or
bent lines. Reversed velocity responses are particularly useful for
implementing voltage controlled cross-fading.
That covers the display fields. Now to clarify what an internal bus is.
Busses A-D: Internal Busses
The A, B, C, and D busses are dedicated internal busses. All modules within a
system share internal communication and some of these modules will respond
to note, controller, and clock messages that are appropriate to their function.
These modules are the 259e, 261e, 281e, 281h, 292e, 292h 223e, 250e, 251e
and 252e. Additionally, the 226h can also send note messages on these
busses.
Patching vs internal bus:
Using patch cables on the 225e it is typical to patch noteon pulses using
busses E-H (out the red banana jack) to the pulse input of a 281e, pitch CV
(out the blue banana jack) to an oscillator, and velocity CV (out the green
banana jack) to the velocity input on the 292e.
But you can save your patch cables if you use the internal bus. The internal
bus sends noteons to the 281h, velocity to a 292e and accurate pitch
information to oscillators such as the 259e or 261e. See below for how to do
this.
Summary of Contents for 200e series
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