RS-232
Connection
5 
4 
3 
2 
1
9 
8 
7 
6
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2 | 5 | 3 |
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Baud Rate: 9600bps | Data Bit: 8bits | |||||
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| No. |
| Pin |
| Function |
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| 1 |
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| Not used |
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| 2 |
| Tx |
| Transmit |
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| 3 |
| Rx |
| Receive |
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| 4 |
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| Not used |
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| 5 |
| Gnd |
| Ground |
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| 6 |
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| Not used |
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| 7 |
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| Not used |
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| 8 |
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| Not used |
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| 9 |
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| Not used |
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Parity: None | Stop Bit: 1bit |
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Command
The command codes are case sensitive, do not change capitalization, spacing, or lettering.
| Command | Feedback | Description |
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| 1A1. | 1A1 | Switching the audio to input 1 |
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| 2A1. | 2A1 | Switching the audio to input 2 |
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| 0A0. | Mute Audio | Mute Audio of MIC and Line out |
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| 0A1. | UnMute Audio | UnMute Audio |
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| 1A0. | Mute MIC | Mute audio of MIC |
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| 2A0. | Mute LINE | Mute audio of line out |
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| 600% | A: 1 | Shows the audio status |
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| Volume: 30 |
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| Bass: 00 |
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| Treble: 00 |
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| 601% | Volume of MIC: 51 | MIC volume up |
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| 602% | Volume of MIC: 51 | MIC volume down |
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| 603% | Volume of LINE: 51 | Line volume up |
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| 604% | Volume of LINE: 51 | Line volume down |
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| 605% | Bass of LINE: 04 | Bass level up |
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| 606% | Bass of LINE: 04 | Bass level down |
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| 607% | Treble of LINE: 04 | Treble level up |
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| 608% | Treble of LINE: 04 | Treble level down |
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| 609% | A: 1 | Resets back to default settings |
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| Volume: 50 |
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| Bass: 04 |
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| Treble: 04 |
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| 5xx% | Volume of MIC: xx | Preset MIC volume, [xx] arranges from [00] to [60]. |
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| Example: 509% |
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| 7xx% | Volume of LINE: xx | Preset line volume, [xx] arranges from [00] to [60]. |
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| Example: 723% |
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