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3.
Exclusive
communications
The JV
—
880 can send and
receive
patch parameter,
etc
using the
system
exclusive
message.
The
model
ID code
of the
JV
-
880
is
46H.
The
device ID
code
is
to
be determined
by
the
unit
number
setting of
MIDI
function.
The JV
—
880
ignores
GS
exclusive
messages
other than
scale
tune parameter.
The model
ID
of
the
GS
is
42H.
4.
Parameter address
map
Address and
size
are
configured
in
7
bits,
and
expressed
in
hexadecimal.
Address
Size
MSB
ySB
LSB
Binary
Oaaa aaaa
Obbb bbbb
Occc cccc
Oddd dddd
7-bit hex
AA
BB
CC
DD
LSB
Binary
Osss ssss
Ottt
tttt
Ouuu uuuu
Ovw
ww
7-bit hex
SS
TT
UU
VV
One way
communication
)
Request
data
1
RQ1{t1H)
B
yte
Description
FOH
41H
Dev
46H
UH
aaH
bbH
ccH
ddH
ssH
ttH
uuH
vvH
sum
F7H
Exclusive status
Manufacturer
ID
(Roland)
Device ID
(Dev
=
UNIT #
Model
ID
CJV-880)
Commond
ID
(RQl)
Address
MSB
Address
Address
Address
LSB
Size
MSB
Size
Size
Size
LSB
Check
sum
EOX
(End
of
exclusive)
*
Receive
only
:
the
JV
-
880 does
not
send
this
message.
•
Data
set
1
DT1(12H)
1.
JV
-
880
(
MODEL
ID
=
46H
)
Bvte
Descriotion
FOH
Exclusive status
41H
Manufacturer
ID
(Roland)
Dev
Device ID
(Dev
=
UNIT*
-
1)
46H
Model
ID
(JV-880)
12H
Commond
ID
(DTI)
aaH
Address
MSB
bbH
Address
ccH
Address
ddH
Address
LSB
eeH
Data
ffH
Data
sum
Check
sum
F7H
EOX
(End
of
exclusive)
2.
GS
(
MODEL
ID
=
42H
)
Bvte
Descriotion
FOH
Exclusive status
41H
Manufacturer
ID
(Roland)
Dev
Device ID
(Dev
= UNIT#
-
1)
42H
Model
m
(GS)
12H
Commond
ID
(DTD
aaH
Address
MSB
bbH
Address
ccH
Address
LSB
eeH
Data
ffH
Data
sum
Check
sum
F7H
EOX
(End
of
Exclusive)
Parameter base address
All
data sent
in
exclusive
message
are
given
particular
addresses
to
identify
parameters.
These
addresses
are the
sum
of
the base
address
and
offset
address.
Some
parameters
are
defined using multiple
offsets.
The
address included
in
the
message
of
a
data
set
or
a
data request
must
be
within
the
value
shown
in
the table
below.
Note
:
A
pair of
two
addresses preceded
by
the
symbol
#
represents
a
divided
-by -two
data.
e.g.
the data
ABH
(hex)
is
divided
into
OAH
and
OBH
and
sent
in
that order.
Note
:
Parameters
associated
with address following the
symbol
%
are for
JV-80
and
invalid
with
the
JV-880.
Example
of
exclusive data
To
set the
reverb type
of the
temporary performance
common
to
"DELAY",
sendthe
following data
to
the
JV-880.
FOH
41H
lOH
46H
12H
OOH
OOH
lOH
ODH
06H
SDH
F7H
12345
6
789
Exclusive
status
Manufacturer
ID
:
Roland
=
41H.
Device ID
:
the unit
number
of the
system
common
parameter minus
1.
In this
example,
the unit
number
is
17
:
17
-
1
=
16
which
is
expressed
as
lOH
in
hexadecimal
notation.
Model
ID
of the
JV-880
is
46H.
Command
ID
:
data
set
1
=
12H.
Addresses: by
referring
to
Table
1,
the
start
address
of
the
temporary
performance
=
OOH OOH lOH OOH:
from Table
1-2,
offset
address
of
performance
common = OOH
OOH;
from Table
1-2-1,
offset
address
of
reverb type
=
ODH. These
addresses are
added
together
OOH OOH
lOH
OOH
OOH OOH
+)
ODH
OOH OOH
lOH
ODH
=
target
address
The number
of
"DELAY"
is
6
:
06H
in
hexadeciraaL
Check
sum
End
of
exclusive
Note
:
When
the device
ID
is
7FH,
JV-880
can
receive the
GS
exclusive
message
even
if
the
unit
number
is
anything.
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