Roland MT-300S Midi Implementation Manual page 3

**RPN**
The RPN (Registered Parameter Number) messages are expanded control changes, and
each function of an RPN is described by the MIDI Standard.
To use these messages, you must first use RPN MSB and RPN LSB messages to specify the
parameter to be controlled, and then use Data Entry messages to specify the value of the
specified parameter. Once an RPN parameter has been specified, all Data Entry messages
received on that channel will modify the value of that parameter. To prevent accidents, it is
recommended that you set RPN Null (RPN Number = 7FH/7FH) when you have finished
setting the value of the desired parameter.Refer to Section 4. "Examples of actual MIDI
messages" <Example 4> (page 11).
On the MT-300s, RPN can be used to modify the following parameters.
RPN Data entry
MSB LSB MSB LSB Explanation
00H 00H mmH —- Pitch Bend Sensitivity
mm: F00H-18H (0-24 semitones) ,Initial Value = 02H (2 semi-
tones)
ll : ignored (processed as 00h)
specify up to 2 octaves in semitone steps
00H 01H mmH llH Master Fine Tuning
mm, ll : 00 00H - 40 00H - 7F 7FH (-100 - 0 - +99.99 cents), Initial
Value = 40 00H (0 cent)
ll : ignored (processed as 00h)
specify up to 2 octaves in semitone steps
Refer to 4. Supplementary material, "About tuning" (P.13)
00H 02H mmH —- Master Coarse Tuning
mm : 28H - 40H - 58H (-24 - 0 - +24 semitones), Initial Value =
40H (0 cent)
ll : ignored (processed as 00h)
7FH 7FH —- —- RPN null
Set condition where RPN and NRPN are unspecified. The data
entry messages after set RPN null will be ignored. (No Data
entry messages are required after RPN null).
Settings already made will not change.
mm, ll : ignored
● Program Change
Status 2nd bytes
CnH ppH
n = MIDI channel number : 0H-FH (ch.1-ch.16)
pp = Program number : 00H-7FH (prog.1-prog.128)
* Not received when Rx.PROGRAM CHANGE = OFF. (Initial value is ON)
* After a Program Change message is received, the sound will change beginning with the
next Note-on. Voices already sounding when the Program Change message was
received will not be affected.
* For Drum Parts, Program Change messages will not be received on bank numbers 129-
16384 (the value of Control Number 0 is other than 0 (00H)).
● Channel Pressure
Status 2nd bytes
DnH vvH
n = MIDI channel number : 0H-FH (ch.1-ch.16)
vv = Channel Pressure : 00H-7FH (0-127)
* Not received when Rx.CH PRESSURE (CAf) = OFF. (Initial value is ON)
* The resulting effect is determined by System Exclusive messages. With the initial set-
tings there will be no effect.
● Pitch Bend Change
Status 2nd byte 3rd bytes
EnH llH mmH
n = MIDI channel number : 0H-FH (ch.1-ch.16)
mm, ll = Pitch Bend value : 00 00H - 40 00H - 7F 7FH (-8192 - 0 - +8191)
* Not received when Rx.PITCH BEND = OFF. (Initial value is ON)
* The resulting effect is determined by System Exclusive messages. With the initial set-
tings the effect is Pitch Bend.
MT 300s MIDI Implementation
■ Channel Mode Messages
● All Sounds Off (Controller number 120)
Status 2nd byte 3rd bytes
BnH 78H 00H
n = MIDI channel number : 0H-FH (ch.1-ch.16)
* When this message is received, all currently-sounding notes on the corresponding chan-
nel will be turned off immediately.
● Reset All Controllers (Controller number 121)
Status 2nd byte 3rd bytes
BnH 79H 00H
n = MIDI channel number : 0H-FH (ch.1-ch.16)
* When this message is received, the following controllers will be set to their reset values.
Controller Reset value
Pitch Bend Change +-0 (Center)
Polyphonic Key Pressure 0 (off)
Channel Pressure 0 (off)
Modulation 0 (off)
Expression 127 (max)
Hold 1 0 (off)
Portamento 0 (off)
Sostenuto 0 (off)
Soft 0 (off)
RPN unset; previously set data will not change
NRPN unset; previously set data will not change
● All Notes Off (Controller number 123)
Status 2nd byte 3rd bytes
BnH 7BH 00H
n = MIDI channel number : 0H-FH (ch.1-ch.16)
* When All Notes Off is received, all notes on the corresponding channel will be turned
off. However if Hold 1 or Sostenuto is ON, the sound will be continued until these are
turned off.
● OMNI OFF (Controller number 124)
Status 2nd byte 3rd bytes
BnH 7CH 00H
n = MIDI channel number : 0H-FH (ch.1-ch.16)
* The same processing will be carried out as when All Notes Off is received.
● OMNI ON (Controller number 125)
Status 2nd byte 3rd bytes
BnH 7DH 00H
n = MIDI channel number : 0H-FH (ch.1-ch.16)
* OMNI ON is only recognized as "All notes off"; the Mode doesn't change (OMNI OFF
remains).
● MONO (Controller number 126)
Status 2nd byte 3rd bytes
BnH 7EH mmH
n = MIDI channel number : 0H-FH (ch.1-ch.16)
mm = mono number : 00H-10H (0-16)
* The same processing will be carried out as when All Sounds Off and All Notes Off is
received, and the corresponding channel will be set to Mode 4 (M = 1) regardless of the
value of "mono number."
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