Yamaha MU100 Supplementary Manual page 34

When this is received, the Volume MSB will be reflected
by the System parameter MASTER VOLUME.
* The binary expression 0sssssss is expressed in hexadec-
imal as SSH.
The same applies elsewhere.
2.1.2 Universal non-realtime messages
2.1.2.1 General MIDI System On
This system exclusive message causes the MU100
to function as a tone generator that is compatible
with GM System Level 1.
11110000 F0H
01111110 7EH
01111111 7FH
00001001 09H
00000001 01H
11110111 F7H
or,
11110000 F0H
01111110 7EH
0xxxnnnn XNH
00001001 09H
00000001 01H
11110111 F7H
When this message is received, the SOUND MODULE
MODE is set to XG, and all MIDI messages defined by
GM will be received.
All data except for MIDI Master Tuning will be restored to
the default value.
However this message will not be received in any of the
following cases.
• SOUND MODULE MODE = C/M
• MU100 System Parameter (see table 2-2) Rcv GM
EXCLUSIVE MESSAGE= OFF
Since approximately 50[ms] is required in order to process
this message, be sure to allow an appropriate interval before
sending the next message.
2.1.2.2 Identity Request
11110000 F0H
01111110 7EH
0mmmmmmm MMH
00000110 06H
00000001 01H
11110111 F7H
= Exclusive status
= Universal Non-Real
Time
= ID of target device
= Sub-ID #1 = General
MIDI Message
= Sub-ID #2 = General
MIDI On
= End of Exclusive
= Exclusive status
= Universal Non-Real
Time
= N:Device Number,
X:don't care
= Sub-ID #1 = General
MIDI Message
= Sub-ID #2 = General
MIDI On
= End of Exclusive
= Exclusive status
= Universal Non-Real
Time
= Device Number
= Sub-ID #1 = General
Information
= Sub-ID #2 = Identity
Request
= End of Exclusive
MU100 MIDI
When this message is received, this device will transmit an
Identity Reply message as described in the following section
2.1.2.3.
2.1.2.3 Identity Reply
11110000 F0H
01111110 7EH
0mmmmmmm MMH
00000110 06H
00000010 02H
01000011 43H
00000000 00H
01000001 41H
00000000 00H
000000ll 03H
00000000 00H
00000000 00H
00000000 00H
00000001 01H
11110111 F7H
This device will transmit this message when it
receives the Identity Request message of 2.1.2.2.
2.1.3 XG parameter change
This message sets XG-related parameters. Each message can
set a single parameter.
The message format is as follows.
11110000 F0H
01000011 43H
0001nnnn 1NH
01001100 4CH
0ggggggg GGH
0mmmmmmm MMH
0lllllll LLH
0sssssss SSH
: :
11110111 F7H
For parameters whose Data Size is 2 or 4, the appropriate
amount of data will be transmitted as indicated by Size.
MIDI data format
= Exclusive status
= Universal Non-Real
Time
= Device Number
= Sub-ID #1 = General
Information
= Sub-ID #2 = Identity
Reply
= YAMAHA ID
= Device Family Code
LSB
MU100 ID #1
= Device Family Code
MSB
MU100 ID #2
= Device Number Code
LSB
MU100 ID #3
= Device Number Code
MSB
MU100 ID #4
= Tone Generator Code
= XG
= End of Exclusive
Exclusive status
YAMAHA ID
N:device Number
Model ID
Address High
Address Mid
Address Low
Data
End of Exclusive
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