EMM Labs DAC2X AUDIO CONVERTER User Manual

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Appendix A - Serial Remote Control (RS232)

DAC2X AUDIO CONVERTER OWNER’S MANUAL

Commands to the DAC2X (cont`d)

Status bytes sent from DAC2X

The DAC2X sends back 4 Bytes terminated with a whenever any status changes.

Byte 0 ASCII ' 0 ' - Not Used

Byte 1 ASCII ' 0 ' - Not Used

Byte 2

bit 0 Not Used

bit 1 Not Used

bit 2 Status of EMM Link input (0 when selected)

bit 3 Status of USB input (0 when selected)

bit 4 Status of AES input (0 when selected)

bit 5 Status of COAX input (0 when selected)

bit 6 Status of TOS1 input (0 when selected)

bit 7 Status of TOS2 input (0 when selected)

bit 8 Status of PDAI input (0 when selected)

Byte 3

bit 0 Lock Status, 1 when locked

bit 1 Not Used

Command

Function

usb

Selects USB PCM audio via USB interface

pda

Selects SPDIF format PCM digital audio via PDAI/RCA connector