ABC Office DC-2 Host Initiated Command Packets, Reset Unit, Restore Defaults, Send IR Command

Lexicon, Inc.
DC-2/MC-1 Serial Communications Protocol	Printed on: 10/19/00

7.3 Host Initiated Command Packets

The DC-2/MC-1 serial communication protocol has been designed to respond to the following commands as described below. Each command is transmitted to the DC-2/MC-1 with the identified parameters. If the command is successfully received and processed by the DC-2/MC-1, the unit will respond with the described response packet or action.

7.3.1 Reset Unit

Commands the DC-2/MC-1 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 DC-2/MC-1 Response

The DC-2/MC-1 will perform and internal reset. After reset the DC-2/MC-1 will go through a soft power- up initialization. This includes transmitting the “Wakeup Notification Packet”. A soft reset does not reinitialize the DC-2/MC-1. Nonvolatile RAM is maintained.

7.3.2 Restore Defaults

Commands DC-2/MC-1 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 00x00

Application Data:

N/A

7.3.2.2 DC-2/MC-1 Response

The DC-2/MC-1 will reset, clear any saved system and effect parameters in Nonvolatile RAM, and restore the factory default system and effect parameters. After reset the DC-2/MC-1 will go through a soft power- up initialization. This includes transmitting the “Wakeup Notification Packet”.

7.3.3 Send IR Command

Transmits IR command key codes to the DC-2/MC-1.

7.3.3.1 Command Packet Description
Application Header:
Command	DC_CMD_IR	0x14
Data Count	1	0x01
Application Data:
Data[0]	KeyCode	nn

7.3.3.2 Data Description

KeyCode:
Data Type:	Unsigned 8 bit integer.
Valid Values:	Appendix C DC-2/MC-1IR-Codes

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