Jester Operating Manual MIDI Control
36 of 52 Jester Manual 73-403-00 Issue 3.2
MIDI Control
Simple MIDI
Before using MIDI, you must first activate it in Super User. To do this, press and hold
SHIFT and MODE, then navigate to the <MIDI Setup> option and press ENTER, then
toggle the <Disabled> to read <Enabled>.
Once MIDI is activated, plug in a MIDI cable from a keyboard to the MIDI ‘IN’ socket
and set the desk to Preset mode. Any note played on the keyboard will turn a
channel on.
If this doesn’t work, someone has been experimenting with the MIDI settings on the
desk, go into Super User and perform a desk reset, then re-activate MIDI.
The introduction to MIDI below will help if you need or want to know the technical
details.
Introduction to MIDI
MIDI (Musical Instrument Digital Interface) was originally designed as a means of
communication between electronic musical instruments. Some of the concepts
involved are important to understand before starting to program the desk to respond
in a particular way to MIDI commands.
Communication
MIDI is a means of two way communication between musical instruments.
Transmit and Receive Channels
MIDI has separate Transmit and Receive channels numbered 1 to 16.
By setting Receive to a particular channel, only the signals that are wanted will be
received.
Alternatively, Receive may be set to respond to all channels <--> so that any MIDI
information transmitted will be received. The Transmit channel must be set to a
specific value. For two MIDI instruments to communicate with each other in a system
with many other instruments connected, they must be set up to use Transmit and
Receive channels that are not used by other instruments.
Note Numbers
The MIDI standard assigns ‘Note Numbers’ to musical notes. Middle C is number 60.
By default, octaves are mapped to the 12 presets/submasters (there are 12 notes in
a MIDI octave since it includes both the black and white notes on a piano keyboard).
However, this setting can be changed so that a specific MIDI Note is mapped to the
first preset /submaster.
When MIDI is set to map octaves, the maximum number of presets / submasters that
can be controlled is 12. When a MIDI note number is set, the maximum number of
presets / submasters that can be controlled is limited by the desk size:
Jester12/24: 24 presets in Preset Mode or 12 submasters in Run Mode.
Jester24/48: 48 presets in Preset Mode or 24 submasters in Run Mode.
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