General Device Commands - AKG CM12/8 Manual

General Device Commands

Acknowledge
- Causes the CM12/8 sends its "name" bytes back
Host sends command - 1
Host receives 4 data bytes: Byte 1 is the number of bytes in the name string (3 for the CM12/8), followed by the
ASCII characters "CM128".
Change Device Address
Host sends command - 2
Host receives data byte: device address, valid range 128 to 254.
Output Firmware Version
software would be returned as 10.
Host sends command - 25
Host receives data byte: firmware version.
Output Local/Remote Status
Local mode Local_mode , one (1) indicates Remote mode.
Host sends command - 21
Host receives data byte: Local/Remote status.
Set Local/Remote Mode
Remote. New value is stored in EEPROM.
Host sends command - 22
Host sends data byte: Status data (0 or 1 as above)
Host receives data byte: 100, to acknowledge EEPROM write completion.
Input/Output Gain Commands
Output Current Input Gain
from 0-3, where 0 corresponds to Off, 1 to -6dB, 2 to 0dB, and 3 to +3dB.
Host sends command - 3
Host sends 2 data bytes:
Host receives data byte: Input gain as above
- Changes the CM12/8 device address and stores the new address in EEPROM.
- Outputs the version number of the current '705 firmware. For example, Version 1.0
- Outputs the current status of the CM12/8, Local or Remote. Zero (0) indicates
- Allows the Local/Remote status of the CM12/8 to be set. 0 is Local mode, 1 is
- Outputs the input gain associated with a particular input/output pair. Range is
Byte 1: Desired input number.
0 - Input 1 5 - Input 6
1 - Input 2 6 - Input 7
2 - Input 3 7 - Input 8
3 - Input 4 8 - Input 9
4 - Input 5 9 - Input 10
Byte 2: Output number associated with the input number.
0 - Output 1 4 - Output 5
1 - Output 2 5 - Output 6
2 - Output 3 6 - Output 7
3 - Output 4 7 - Output 8rb
10 - Input 11
11 - Input 12
12 - Noise Input
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CM12/8