ISLA Instruments S2400 User Manual
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In addition to the MIDI functionality described in the Sync section, MIDI can be used to change
the parameters of sample tracks.
CCs
Sample tracks that have a unique channel (i.e. not channel 10) can have their parameters
controlled by MIDI CC (continuous controller) messages. See the complete MIDI CC list at the
end of this manual.
NRPNs
Any sample track on any channel (including 10) can have their parameters controlled by NRPNs
(non-registered parameter numbers). An NRPN is a series of three or four CC messages.
MSB/LSB stand for most/least significant bits. Typically, a parameter number is 14 bits spread
across two CC messages. The S2400 uses the two messages separately. If your DAW or controller
needs the full 14-bit number, multiply the track number by 128 and add the CC number.
NRPN messages sent to the S2400 must be sent on the control port and channel specified in the
Sync menu.
For example, to change track B1’s filter cutoff to maximum, send the following CC messages:
CC 99 = 8, CC 98 = 74, CC 6 = 127
The S2400 remembers the last received NRPN parameter number MSB and LSB values. So, they
only need to be resent to select a different track or parameter.
SysEx
SysEx (system exclusive) messages are a series of bytes of raw data that are unique to a
particular machine. There are also universal SysEx messages that have a predefined format, such
as MMC (MIDI Machine Control) messages.
S2400-specific Sysx messages must begin with a Sysx Begin message, Isla’s 3-byte MIDI
manufacturer number, the Device ID, and a command number. That is followed by the data
bytes, and terminated with a SysEx End byte. For example: F0 00 02 39 01 01 … F7
The command numbers are: 1 rename song, 2 rename pattern, 3 rename track.
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