Yamaha DX27 EN User Manual
Page 50
2-2 System lnformafion
2-2-1 System Real-Time Message
Active sensing
Status 11111110(FE)
Transmitted once approximately every 200 milliseconds
2-2-2
System Exclusive Message
Transmitted only when MIDI SYS INFO is ON
(1) Parameter Change
Status 11110000(F0)
ID no. 01000011(43)
Substatus/ch. no. 0001nnnn(1n) n=channel no.
Parameter group no. 00010010(12)
Parameter no.
0ppppppp
Data 0ddddddd
EOX 11110111(F7)
This data is transmitted when voice or function Parameters are changed in the EDIT
or FUNCTION modes. The voice parameters transmitted are those given in voice
parameter table 5-2, and the function parameters transmitted are shown in
function parameter table 5-3.
(2) 1 Voice Bulk Data
Status 11110000(F0)
ID no. 01000011(43)
Substatus/ch. no. 0000nnnn(0n)
Format no. 00000011(03)
Byte count 00000000(00)
Byte count 01011101 (5D)
Data 0ddddddd
n=channel no.
93 bytes
0ddddddd
Checksum
0eeeeeee
EOX 11110111(F7)
The data for one voice is transmitted when a voice selector is pressed in the PLAY
mode. Data in the voice edit buffer is transmitted when a format no. f=3 dump
request is received. The transmitted data is shown in voice parameter table 5-2.
The checksum is the lowest 7 bits of the two’s complement sum of all data bytes
(the same applies below).
Functions not available on this unit are set as follows:
CHORUS: 0
PEG PRI=99, PR2=99,
PL1=50, PL2=50,
FOOT VOLUME RANGE = 99
PR3=99
PL3=50
(3) 32 Voice BULK Data
Status
ID no.
Substatus/ch. no.
Format no.
Byte count
11110000(F0)
01000011(43)
0000nnnn(0n) n=channel no.
00000100 (04)
00100000 (20)
48