MIDI Boutique mbe3 User Manual

mbe3 © JDP'MMXVI
Accordion/Bandoneon MIDI encoder
with Air-pressure control
for units produced since April 2016
1. Purpose
mbe3 is a
accordion-like instruments (chromatic or diatonic accordion, concertina,
bandoneon etc.)
instrument sides: Master and Slave. Both are located in opposite sides of
the instrument and interconnected by 4-wire spring cable, running thru
bellows and carrying signals and power from one sub-module to other.
Each of sub-modules
arranged in scan row The Master sub-module has in addition two analog
inputs that can be used for reading potentiometers, allowing additional
continuous control, assigned by user.
There is digital
Slave sub-module It senses continuously the difference between the air-
pressure inside
difference is always proportional to bellows push-pull pressure and is
used for continuous
parameter, per user choice.
The MIDI event
NoteOn/NoteOff with user-programmable Note number per input and Channel
number per side. Up to 4 Note numbers can be assigned go each key input
with Note numbers equal or different for bellows push and pull. This way
the instrument
diatonic/bisonoric accordion, with some keys programmed to trigger chords
(up to 4 notes each).
Key inputs in Master and Slave can be separately split in two zones
each (new feature, avialable only in units produced since April
Both zones in same side operate on different MIDI Channels.
The MIDI event for each register input is Program Change with user-
selectable Program number per register and Channel number per side.
The MIDI event for potentiometers on Master side is Control Change
with user-selectable
potentiometer.
The Master sub-module is typically (but not mandatory) located in
right side of the instrument. This sub-module is able to scan up to 43
keys and up to
communication with
distribution.
The Slave sub-module is normally located in left side. It hosts the
air-pressure sensor and is capable to scan up to 32 keys and up to 8
registers.
The mbe3 kit can be ordered in two versions:
mbe3-MIDI has standard MIDI In and MIDI Out and requires power from
external power supply adapter (or battery).
mbe3-USB has USB MIDI interface with virtual MIDI In and MIDI Out.
It draws its power from USB port so no external power is necessary.
All essential parameters of mbe3 are user-programmable by SysEx
messages sent
downloadable from our site.
If necessary, the unit can be easily
(as listed in Table 1.).
info@midiboutique.com
www.midiboutique.com
MIDI Boutique Inc.
mbe3
* User's Guide *
MIDI conversion
It comprises of
has a
differential
bellows and the
control of
per each
can be set
Controller
16 registers.
external devices, as well as for power regulation and
from mbe3set software
kit, designed
two sub-modules,
number of key
air-pressure
environmental
Volume or Expression
key contact in
act either as
number and
It is responsible
utility
returned to factory settings
to be installed
one per each
and register inputs,
sensor installed
air pressure.
or other
Master and Slave
chromatic or
2016).
Channel number
for MIDI or
for Windows,
1
in
of
on
This
MIDI
is
as
per
USB
free