Operating Manual for Digital Sound Processor (DSP) V3.0
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The difference between V1 and V2 is V1 may control all processing module parameters, but one
command can only control one parameter. If a parameter is needed to control continuous multiple
channels, then V2 version shall be used. In other words, in condition that users need to press one key
on key panel to trigger GPIO output high-/low-level of devices, or send a command via RS232/RS485,
then V2 version will be the best choice.
Software coding rules (total 12 bytes)
byte1 byte2 byte3 byte4 byte5~132
0xb3 Message
Type
Length Version
No.
Data
V1:
Information types (byte2): There are three information types including 0x21 (parameter controls),
0x22 (parameter acquisition) and 0x13 (scenario switch).
Length (byte3): invalid.
0x21 (parameter control):
At this point, Databyte5~12 are respectively
byte 5~6 byte 7~8 byte 9~10 byte 11~12
Module ID Parameter Type Parameter 1 Parameter 2
Please refer to Appendix A to get the distribution of Module ID (byte5~6).
Please refer to Appendix B for Parameter types (byte7~8).
When Parameter 1 (byte9~10) has only one parameter, then only parameter 1 is valid, such as control
compressor switch.
Parameter 2 (byte11~12) only valid when there are two parameters, such as control output channel
1 mute. Parameter value 1 shall be filled in input channel number from 0. Parameter value 2 shall be
filled in 1 (mute).
Exception: Matrix routing has three parameters. The first one is input channel number, the second
one is output channel number, and the third one is routing switch. At this point, byte9 of parameter
value 1 shall be filled in input channel numbers, byte 10 shall be filled in output channel number, and
parameter 2 shall be filled in routing switch.
0x22 (Parameter Acquisition):
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