Lexicon LEXICON480LV4 - Page 132

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Lexicon 480L Owner's Manual
Sysex Message Formats
480 Generic System Exclusive Message Format
$F0 System Exclusive ID
$06 Lexicon ID
$01 480 ID
0ccc nnnn Message Class and Sysex Device ID
ccc = Message Class 0-7
nnnn = Channel Device ID 0-15
0sssssss Message Subclass
sssssss = Subclass $0-$7F
0xxxxxxx Data Characters
xxxxxxx = Data $0-$7F
$F7 End of System Exclusive
Many messages have checksums associated with them. These checksums are calculated by simply adding all
of the bytes of the checksummed data together and truncating to 7 bits. The message formats describe which
data bytes are checksummed.
Automation Format
Automation data is used to transmit and receive sysex automation data
Parameter Data Format
$F0 480 System Exclusive Header
$06
$01
$2n Parameter Data Message Class, Sysex Channel Device ID
$0d Subclass = Control Class
$2 Global Controls
$3-$4 Program Controls Machine A and Machine B
$5-$6 Patch Controls Machine A and Machine B
$7-$8 Process Controls Machine A and Machine B
$9-$A Table Controls Machine A and Machine B
$B-$C Name Controls Machine A and Machine B
0nnnnnnn Parameter Number Index within Control Class
0-127
$0v Nibblized Most Significant 4 bits (out of 20 bits)
$0v 4 bits
$0v 4 bits
$0v 4 bits
$0v Nibblized Least Significant 4 bits (out of 20 bits)
$F7 End of System Exclusive