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ACK message:
F0H
=
System Exclusive Message status
2FH
=
ID number (manufacturer ID) = GENERAL MUSIC
5cH
=
Command ID: 5=Resource Access, c=device ID(0-F)
7FH
=
Subfunction ID = ACK
00
=
Model ID, 00 = WK4
00
=
not checksum, format 0
pp
=
packet number (00:7fH)
F7H
=
EOX
NACK message:
F0H
=
System Exclusive Message status
2FH
=
ID number (manufacturer ID) = GENERAL MUSIC
5cH
=
Command ID: 5=Resource Access, c=device ID(0-F)
7EH
=
Subfunction ID = NACK
00
=
Model ID, 00 = WK4
00
=
not checksum, format 0
pp
=
packet number (00:7fH)
F7H
=
EOX
CANCEL message:
F0H
=
System Exclusive Message status
2FH
=
ID number (manufacturer ID) = GENERAL MUSIC
5cH
=
Command ID: 5=Resource Access, c=device ID(0-F)
7DH
=
Subfunction ID = CANCEL
00
=
Model ID, 00 = WK4
00
=
not checksum, format 0
pp
=
packet number (00:7fH)
F7H
=
EOX
WAIT message:
F0H
=
System Exclusive Message status
2FH
=
ID number (manufacturer ID) = GENERAL MUSIC
5cH
=
Command ID: 5=Resource Access, c=device ID(0-F)
7CH
=
Subfunction ID = WAIT
00
=
Model ID, 00 = WK4
00
=
not checksum, format 0
pp
=
packet number (00:7fH)
F7H
=
EOX
EXAMPLES of Resource Request message compositions
< Example 1 > : System Setup request:
F0
2F 50
03
00
(1)
(2) (3)
(4)
(5)
(1)Exclusive Status
(2)manufacturer ID=GENERAL MUSIC
(3)Command ID(5=RESOURCE ACCESS) + device ID (0=1 device ID)
(4)Subfunction ID (3=RESOURCE REQUEST)
(5)Model ID (0=WK4)
(6)c=0(No checksum),f=0(7 bit data value)
(7)Resource ID (0=Setup)
(8)not used for Setup Req
(7)EOX
A•38 Appendix
00
00
00
F7
(6)
(7)
(8)
(9)
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