Lexicon MC-12 用户指南

Lexicon 
MC-12 Serial Communications Protocol 

 

Printed on: 07/13/05 

 

The following documents should also be used with this document to understand how this protocol can be 
used with an MC-12. 
 
070-13227 MANUAL,OWNER'S,DC2 
070-13278 MANUAL,OWNER'S,MC1 
MC1/DC2 Serial Port Definition, Protocol Version 0.5 
070-14773 Manual, Owner’s, MC12/MC12B 
 

1.1 Change List 

9/23/02 Added this paragraph. 
9/23/02 Changed “7.9 MC12 V1.10 Parameter ID List” to “7.9 MC12 V2.00 Parameter ID List” 
9/23/02 Updated Parameter Id Reference Table 

 for V2.00 s/w. 

9/23/02 Updated 

 for new V2.00 modes.  

9/24/02 Updated 7.3.36.4 Parameter Definition Response Packet for correct CurrentValue length. 
9/24/02 The range of the PARAM_TYPE_UINT32 parameter type has been corrected. 
9/24/02 Updated 

 to reflect added modes in V2.0. 

9/24/02 Updated 

 to reflect added modes in V2.0. 

10/2/02 Updated 

 to reflect added button functionality for V2.0. 

 
6/10/03 Updated Parameter Id Reference Table 

 for V3.00 s/w. 

6/10/03 Updated 

 for new V3.00 modes.  

6/10/03 Updated 7.1.4 MC-1 Parameter Change (MC-12,  MC-1) to reflect the disabled default state. 
6/10/03 Added paragraph 7.1.5.4  Defaults to show parameters that are defaulted for notification. 
 
2/4/04 Updated Paragraph 7.3.50 to correctly reference the Definition/Conversion: 

 
7/9/04 Updated Parameter Id Reference Table 

 for V4.00 s/w. 

7/9/04 Added Direct Mode Ir code Table.  Ir codes are not support by the actual remote control. 
 
6/30/05 Updated Parameter Id Reference Table 

 for V5.00 s/w. 

6/30/05 Added Dolby PLIIx Direct Mode Ir codes Table.  Ir codes are not support by the actual remote 
control. 
 

User Parameter: 

A user changeable variable that stores a specific value that describes an 
operating condition for the MC-12 system. 

 
HOST: 

The device initiating or receiving the serial communication packets to/from the 
MC-12.  

 
MC-12 ,MC-1,DC-2: 

The Lexicon product receiving or transmitting the serial communication packets 
to/from the HOST.  

 
Nonvolatile RAM: 

The area of memory in an MC-12 that stores users adjustable parameters.  The 
Nonvolatile RAM is battery backed, to maintain values during MC-12 power 
down. 

 

© 2005 Harman Specialty Group All rights reserved. 

 

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