Lexicon MC-12HD Serial Communications Protocol
7.2.1.2 Data Description
Command:
DataType: Valid MC-12HD command as defined in
Appendix A Command Codes.
7.2.2 No Acknowledge
7.2.2.1 Packet Description
Application Header:
Command DC_NACK 0xE1
Data Count 2 0x02
Application Data:
Data[0] Command nn
Data[1] ErrorCode nn
7.2.2.2 Data Description
Command:
DataType: Valid MC-12HD command as defined in
Appendix A Command Codes.
ErrorCode:
DataType: Error code as defined in Appendix B Error Codes.
7.3 Host Initiated Command Packets
The MC-12HD serial communication protocol has been designed to respond to the following commands
as described below. Each command is transmitted to the MC-12HD with the identified parameters. If the
command is successfully received and processed by the MC-12HD, the unit will respond with the
described response packet or action.
7.3.1 Reset Unit
Commands the MC-12HD to soft reset.
7.3.1.1 Command Packet Description
Application Header:
Command DC_CMD_RESET 0x10
Data Count 0 0x00
Application Data:
N/A
7.3.1.2 MC-12HD Response
The MC-12HD will perform an internal reset. After reset the MC-12HD will go through a soft power-up
initialization. This includes transmitting the “Wakeup Notification Packet”. A soft reset does not reinitialize
the MC-12HD. Nonvolatile RAM is maintained. While the unit is resetting, the front panel will show
“Configuring Please Wait”.
7.3.2 Restore
Commands the MC-12HD to restore the system and effect parameters to factory default settings.
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