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*10 Exclusive
The following system exclusive parameters are supported.
<GM system ON> F0H, 7EH, 7FH, 09H, 01H, F7H
All parameters except MIDI master Tuning and Dsp setting are
reset to their default values.
Remote Channel setting is canceled.
This message requires approximately 50ms to execute, so
sufficient time should be allowed before the next message is
sent.
<DISK ORCHESTRA ON> F0H, 43H, 73H, 01H, 14H, F7H
This message switches PSR-620 to Disk Orchestra defualt
settings.
Remote Channel setting is canceled.
This message requires approximately 50ms to execute, so
sufficient time should be allowed before the next message is
sent.
<DISK ORCHESTRA OFF> F0H, 43H, 73H, 01H, 13H, F7H
This message switches Disk Orchestra ON to OFF.
All parameters except MIDI master Tuning are reset to their
default values.
This message requires approximately 50ms to execute, so
sufficient time should be allowed before the next message is
sent.
<MIDI Master Volume> F0H, 7FH, 7FH, 04H, 01H, ll, mm, F7H
Allows the volume of all channels to be changed simultane-
ously.
“mm” is used as the MIDI Master Volume value (“ll” is ignored).
The defalut value for “mm” is 7FH.
<MIDI Master Tuning>
F0H, 43H, 1nH, 27H, 30H, 00H, 00H, mm, ll, cc, F7H
“mmll” is used as the MIDI Master Tuning value.
The tuning value is represented as follows:
T=M-128 (28<=M<=228), T=-100 (M<28), T=100 (M>228)
Where T is the actual tuning value in cents.
M is decimal value represented by 1-byte using bits 0..3 of
“mm” as the MSB and bits 0..3 of “ll” as the LSB.
The default values of “mm” and “ll” are 08H and 00H
resprectively.
n and cc are also recognized.
This value is not reset by a GM System ON or Reset All Con-
trollers message.
This value affects not only MIDI reception part but the entire
system of the PSR-620.
<Panel Voice> F0H, 43H, 76H, 1BH, cc, vv, F7H
This message alternately selects Panel voice or GM voice.
cc: MIDI channel
vv: 00=GM voice mode/01=Panel voice mode
GM voice mode is defalut.
This message is ignored by the remote channel.
<XG System On> F0H, 43H, 1nH, 4CH, 00H, 00H, 7EH, 00H, F7H
n: device number (transmission: n=0, reception: n is ignored.)
All parameters except MIDI master Tuning are reset to their
default values.
Remote Channel setting is canceled.
This message requires approximately 50ms to execute, so
sufficient time should be allowed before the next message is
sent.
<XG Parameter Change>
F0H, 43H, 1nH, 4CH, aaH, bbH, ccH, ddH........F7H
n: device number(transmission: n=0, reception: n is ignored.)
aa,bb,cc: address High, Mid, Low (see below)
dd: data (succesive transmission and reception are possible
within the amount of data shown in the following Table-1)
Note: PSR-620 corresponds to XG parameters in the Table-1.
But this is a part of XG parameters, PSR-620 does not
perfectly correspond to XG format.
MIDI Implementation Chart
■ GM System Level 1
The existing MIDI protocol allows performance and other data to be transferred between different instruments, even if they
are from different manufacturers. This means, for example, that sequence data that was originally created to control a tone
generator from manufacturer A can also be used to control a different tone generator from manufacturer B. Since the voice
allocation in different devices from different manufacturers is usually different, however, appropriate program change data
must be transmitted to select the right voices.
The General MIDI protocol was developed to minimize confusion and the need for re-programming when playing software
created by one MIDI device on another. This has been achieved by defining a standard voice allocation in which the same
or similar voices are accessed by the same program change numbers or MIDI channels. The current standard recognized
by the International MIDI Association is known as “GM System Level 1.” The PSR-620 voice allocation complies with the
GM System Level 1 standard.