System Exclusive Data Format; Transmission Data; Reception Data - Yamaha QX5 Owner's Manual

SYSTEM EXCLUSIVE DATA FORMAT
data.
TRANSMISSION
DATA
RECEPTION DATA
When MIDI Transmit (p. 36) is executed, Sequence Bulk data is sent as
MIDI Status byte FO (System Exclusive)
ID 43 (Yamaha)
Sub-status/Device no. On (0=Bulk dump, n=device number 0-F)
Format no. OA (Sequence data)
Data blocks (see below) f
EOX F7 (End of Exclusive)
Header "LUM" ''N'S'E'Q1' (ASCII "LM NSEQ1 ")
Sequence data ... Number of bytes indicated in Byte Count
Check sum 77 (00-7F) Check sum of Header + Sequence data
100 msec interval (to allow the QX5 to process the data)
2. When MIDI Receive (p. 37) is executed, a dump request is sent as follows.
MIDI Status byte FO (System Exclusive)
ID 43 (Yamaha)
Sub-status/Device no. 2n (2=Bulk data, n=device number 0-F)
Format no. OA (Sequence data)
EOX F7
NOTE
This is how sequence data is stored in the QX5 internal memory. When sending
it as part of a bulk dump, each byte is converted into ASCII format by sending
the upper and lower bytes separately.
FO Top of record
nn Record number 0: TR1, 1: TR2,... 8: M01, 9: M02... 39: M32
dd Sequence data
dd
F2 End of record
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