Lexicon, Inc.
DC-2/MC-1 Serial Communications Protocol Printed on: 10/19/00
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TimeStamp: Is a null terminated ASCII text string describing the build date and time of the
current ROM. The Format of this text string is:
“yy/mm/dd(sp)hh:mm”
yy- is the last two digits of the year (i.e. year 1999 = 99, year 2000 = 00)
mm - is the month
dd- is the day
(sp) - is an ASCII space character (0x20)
hh - is the hour
mm - is the minute
7.3.5 Get System Status
Request to DC-2/MC-1 for it’s current system status. DC-2/MC-1 will respond with “System Status
Packet”.

7.3.5.1 Command Packet Description

Application Header:
Command DC_CMD_GET_SYS_STATUS 0x16
Data Count 0 0x00
Application Data:
N/A

7.3.5.2 System Status Response Packet

Application Header:
Command DC_RESP_SYS_STATUS 0x81
Data Count 10 0x0A
Application Data:
Data[0] System Volume nn
Data[1] Current Input nn
Data[2] Current EffectId nn
Data[3] Current Input Sample Rate nn
Data[4] Current Input Format nn
Data[5] Mute Active nn
Data[6] Effect Bypass Active nn
Data[7] Left/Right Balance nn
Data[8] Front/Back Balance nn
Data[9] Video Synch nn

7.3.5.3 Data Description

System Volume:
Data Type: Unsigned 8 bit integer.
Maximum Value: 92
Conversion: 0 = -80 dB
92 = +12 dB
Current Input:
Data Type: Unsigned 8 bit integer.
Definition: Appendix D Input Id’s
Current EffectId: