Lexicon MC-12 用户指南

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Lexicon 
MC-12 Serial Communications Protocol 
 
Printed on: 07/13/05 
7.2.2  No Acknowledge (MC-12,  MC-1) 
7.2.2.1 Packet Description 
Application Header: 
  
Command DC_NACK 
0xE1 
Data Count 
20x02 
Application Data: 
  
Data[0] Command 
nn 
Data[1] ErrorCode 
 
nn 
 
7.2.2.2 Data Description 
Command: 
 
DataType: 
Valid MC-12 command as defined in 
 
ErrorCode: 
 
DataType: 
Error code as defined in 
7.3  Host Initiated Command Packets 
The MC-12 serial communication protocol has been designed to respond to the following commands as 
described below.   Each command is transmitted to the MC-12 with the identified parameters.  If the 
command is successfully received and processed by the MC-12, the unit will respond with the described 
response packet or action. 
7.3.1  Reset Unit (MC-12,  MC-1) 
Commands the MC-12 to soft reset. 
7.3.1.1  Command Packet Description 
Application Header: 
  
Command DC_CMD_RESET  0x10 
Data Count 
0x00 
Application Data: 
  
  
N/A 
  
 
7.3.1.2 MC-12 Response 
The MC-12 will perform an internal reset.  After reset the MC-12 will go through a soft power-up 
initialization.  This includes transmitting the “Wakeup Notification Packet”.  A soft reset does not 
reinitialize the MC-12.  Nonvolatile RAM is maintained. 
7.3.2  Restore (MC-12,  MC-1) 
Commands the MC-12 to restore the system and effect parameters to the factory defaults. 
7.3.2.1  Command Packet Description 
Application Header: 
  
Command DC_CMD_RESTORE_DEFAULTS  0x13 
Data Count  0 
0x00 
Application Data: 
  
  
N/A 
  
© 2005 Harman Specialty Group All rights reserved. 
 
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