Roland R-8M Owner's Manual page 121

Roland Exclusive
Messages
Example
of
Message Transactions
Data iransfer from
device (A) to device
C6).
[Doviee (A)
|
(Want
to
sond
data)
-
[Data
set]
-*-
[Data
set)
EEnd o( data]
I
Device (B)
|
[Acknowledse]
[Acknowledoe]
[Acknowledge]
[Acknowledoe]
(Device (A) requests and
receives
data from device
(B).
[Oeviee Ca)|
[Request data]
[Acknowledge]
[Acknowledge]
[Acknowledge]
I
Device
(B)
|
[Data
set]
[Data
set]
[End of data]
#
Error occurs while device (A)
is
receiving data from
device
CB).
Data
transfer
from device (A)
to
device
(B).
Device (A)
[Acknowledge]
(Error) x
-*-
[Communication error
3
[
Ac knowledge]
[Device
(B)|
'
[Data
set]
[Data
sci]
(Data
set)
(the
same
data
-^-
as above)
2)
Device
(8)
rejects the data
re
-
iransmitied.
and
Quits data transfer.
I
Device (A)]
[Acknowledge)
(Error)
x
-^
—
[Communication error)-
(Quit)
-*—
[Device
(B)]
(Data set]
[Data se(]
(fiejection)
3)
Dewce
(A)
immediately quits data transfer.
[Device (A)[
[Device (6)|
[Acknowledge)
(Error)
x
[Rejeciton]
(Data
sot]
[Data
sci]
;0i:iO
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