DB-3 Drawbar Organ
• Rotary Slow / Fast (CC 30)
This message controls the Rotary fast / slow speeds.
BnH 1EH vvH
n=MIDI channel number : 00H – 0FH (ch.1 – ch.16)
vv=Rotary speeds : 00H – 3FH (slow speed)
: 40H – 7FH (fast speed)
- In MIDI Mode 1 and 2 if this message is received on
the Lower (MIDI Mode 1 only) and Bass channels it
is ignored.
• Reverb level (CC 91)
Message which control the Reverb level.
BnH 5BH vvH
n=MIDI channel number : 00H – 0FH (ch.1 – ch.16)
vv=Reverb level value : 00H – 7FH (0 – 127)
- In MIDI Mode 1 and 2 if this message is received on
the Lower (MIDI Mode 1 only) and Bass channels it
is ignored.
• All note off (CC 123)
Terminates all notes currently on for the specific channel.
BnH 7BH 00H
n=MIDI channel number : 00H – 0FH (ch.1 – ch.16)
Program Change
Messages for Upper Memories, Bass and Lower Presets
selection.
With a combination of Bank Select you can select the
Global Memories.
CnH mmH
n=MIDI channel number : 00H – 0FH
(ch.1 – ch.16)
mm=Memory – Preset number : 0AH (Drawbars)
: 0BH – 10H
(Upper Memory 1 – 6)
: 14H
(Lower Preset off)
: 15H – 19H
(Lower Preset 1 – 5)
: 1EH
(Bass Preset off)
: 1FH – 20H
(Bass Preset 1 – 2)
BnH 00H 01H (Bank Select MSB)
BnH 20H 00H (Bank Select LSB)
CnH mmH
n=MIDI channel number : 00H – 0FH
(ch.1 – ch.16)
mm=Global memory number : 00H – 05H
(Global Memory 1 – 6)
SYSTEM EXCLUSIVE MESSAGES
System Exclusive messages control various parameters
of the DB-3. Some parameters are controlled by sys-ex
messages only (i.e. Vibrato, Chorus, Percussion, etc...).
Drawbars level, Reverb and Rotary parameters are
controlled by the Control Changes (with MIDI
Mode=Control Change, see the previous paragraph to
know the messages) or Sys-Ex (with MIDI Mode=Sys-
Ex).
Message Format
F0H iiH ddH mmH ccH ppH xxH yyH F7H
F0H : System Exclusive Message status
iiH : Manufacturer ID. Viscount ID is 31H
ddH : Device ID (drawbars organs family ID is 30H)
mmH : Model ID (DB-3 model ID is 02H).
ccH : Command ID
ppH : Parameter ID
xxH : First data byte
yyH : Second data byte (if needed)
F7H : EOX (End Of Exclusive)
Parameters controlled by System Exclusive
messages only
• Ovedrive Level
This message regulates the Overdrive level.
F0H 31H 30H 02H 01H 01H xxH yyH F7H
F0H : Exclusive status
31H : Viscount ID
30H : drawbars organ ID
02H : DB-3 ID
01H : control on panel
01H : Overdrive level
xxH : first data byte (00H – 01H)
yyH : second data byte (00H – 7FH)
F7H : EOX
• Type of Vibrato & Chorus
This message select the type of Vibrato or Chorus.
F0H 31H 30H 02H 01H 05H xxH F7H
F0H : Exclusive status
31H : Viscount ID
30H : drawbars organ ID
02H : DB-3 ID
01H : control on panel
05H : type of Vibrato & Chorus
xxH : data byte
01H=Vibrato V1
02H=Vibrato V2
03H=Vibrato V3
04H=Chorus C1
05H=Chorus C2
06H=Chorus C3
F7H : EOX
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