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40
Appendices
Appendix 6 SysEx ◊ Handshake
Following the guidelines of the MIDI specifications, data is transmitted as
follows: First, the System Exclusive Header is sent. The amp will wait
200ms to look for a handshake. If no handshake is received then the amp
will transmit the first data packet. The transmission continues until all the
information has been sent. After the last packet, the End of File message is
sent. In order for handshaking to work the Device ID must be set to the
same ID number as the amp. The handshake messages the amp will
respond to are:
Handshake System Exclusive Message
VALUE DESCRIPTION
F0H Start of System Exclusive Message
7EH Universal Message
nnH nn = Device ID (minus one)
hdH Handshake ID: 7CH = Wait, 7DH = Cancel, 7EH = Not Acknowledge, 7FH = Acknowledge
ppH Packet Number
F7H End of System Exclusive Message
