Lexicon
MC-12 Serial Communications Protocol Printed on: 07/13/05
Product Id is Lexicon MC-12
Software type COMPLETE
Software level of RELEASED
Software Version 1.00
Protocol Version 1.01
with 1007 parameters
and 25 effects,
and the software image was built
“01/07/27 17:07”
and has an internal serial number of
1128 (0x00 00 04 68)
1.5.2 Send MC-1 IR Command Example
This example shows how to transmit the MC-1 IR command for “Volume Up”. The bytes are transmitted
from left to right and they are defined as:
Byte 0: Start of Packet(F1 hex)
Byte 1: Data Link Layer(DLL) Data Count(DC); for an IR command this would be 4 bytes to
follow
Byte 2: The Application Layer Command, in this case it is 14 hex indicating this is an IR
command packet.
Byte 3: The Application Layer Data Count(DC); for this packet it is 1 data byte to follow.
Byte 4: The Application Command Data: This IR Command Packet is transmitting Key Code
“Volume Up”(17 hex). To transmit other IR Key Codes the user would replace this byte
with other IR key codes as found in
Appendix C MC-12 IR-Codes.
Byte 5: End of Packet (F2 hex)
SOP DLL DC CMD AppDC DATA0 EOP
IR Key
Code
F1 04 14 01 17 F2
© 2005 Harman Specialty Group All rights reserved. 68 of 106
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