Table 4-4. Patch
offset
ID
min
(Hex)
00
Preset PATCH
0
Number MSB
01
Preset PATCH
0
Number LSB
02
ATTACK
0
03
RELEASE
0
04
CHORUS
0
05
DELAY/RE-
0
VERB
06
LEVEL
0
07
FREQ
0
08
RESO
0
09
TRANSPOSE
0
0A
PLAYFEEL
0
0B
EXP PEDAL
0
0C
HOLD TYPE
0
0D
GLIDE TYPE
0
0E
DELAY
0
0F
Reserve
0
/Example using RQ1/
To extract all the data of patch USER BANK 50, send the following message to the GR-20.
F0 41 10 00 72 11 01 00 31 00 00 00 00 10 3D F7
/Example using DT1/
If you want to set as the following the EXP PEDAL parameter of patch USER BANK 10 is
"FL", create data as the following and send it to your GR-20.
F0 41 10 00 72 12 01 00 09 0B 01 6A F7
max
max
Description
(dec)
(hex)
3
03
127
7F
99
63
99
63
99
63
99
63
99
63
99
63
99
63
4
04
0="-2oct", 1="-1oct",
2="0", 3="+1oct",
4="+2Oct"
4
04
0–3="1"–"4", 5="nd",
6="St"
8
08
0="FV", 1="FL",
2="b1", 3="b2",
4="b3", 5="b4",
6="b5", 7="b6",
8="EF"
3
03
0="H1", 1="H2",
2="H3", 3="H4"
19
13
00H="d8", 01H="d7",
02H="d6", 03H="d5",
04H="d4", 05H="d3",
06H="d2", 07H="d1",
08H="u1", 09H="u2",
0aH="u3", 0bH="u4",
0cH="u5", 0dH="u6",
0eH="u7", 0fH="u8",
10H="v1", 11H="v2",
12H="v3", 13H="v4"
99
63
0
00
Chapitre 6 Appendices
A-1. Decimal VS Hexadecimal
With a MIDI System, the data value, the address, or size in an exclusive message is
expressed in 7-bit hexadesimal values.The table below shows decimal value and thier
hexadecimal counterparts.
Decimal
Hex
Decimal
Hex
0
00H
32
20H
1
01H
33
21H
2
02H
34
22H
3
03H
35
23H
4
04H
36
24H
5
05H
37
25H
6
06H
38
26H
7
07H
39
27H
8
08H
40
28H
9
09H
41
29H
10
0AH
42
2AH
11
0BH
43
2BH
12
0CH
44
2CH
13
0DH
45
2DH
14
0EH
46
2EH
15
0FH
47
2FH
16
10H
48
30H
17
11H
49
31H
18
12H
50
32H
19
13H
51
33H
20
14H
52
34H
21
15H
53
35H
22
16H
54
36H
23
17H
55
37H
24
18H
56
38H
25
19H
57
39H
26
1AH
58
3AH
27
1BH
59
3BH
28
1CH
60
3CH
29
1DH
61
3DH
30
1EH
62
3EH
31
1FH
63
3FH
When expressing a MIDI channel number or a program change number, please notice that
the values are less by one .For example, MIDI channel is expressed as 0 through 15 instead
of 1 through 16.
The range of 7 bit can express 128 steps from 0 to 127. To express broader range, use several
data bytes.
Decimal
Hex
Decimal
Hex
64
40H
96
60H
65
41H
97
61H
66
42H
98
62H
67
43H
99
63H
68
44H
100
64H
69
45H
101
65H
70
46H
102
66H
71
47H
103
67H
72
48H
104
68H
73
49H
105
69H
74
4AH
106
6AH
75
4BH
107
6BH
76
4CH
108
6CH
77
4DH
109
6DH
78
4EH
110
6EH
79
4FH
111
6FH
80
50H
112
70H
81
51H
113
71H
82
52H
114
72H
83
53H
115
73H
84
54H
116
74H
85
55H
117
75H
86
56H
118
76H
87
57H
119
77H
88
58H
120
78H
89
59H
121
79H
90
5AH
122
7AH
91
5BH
123
7BH
92
5CH
124
7CH
93
5DH
125
7DH
94
5EH
126
7EH
95
5FH
127
7FH
45