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AI Noise-Canceling Microphone

I. Control Precautions

  1. Before powering on a new board, connect an ammeter to check if the overall current is normal to avoid burning the chip due to excessive current.

  2. When testing channel microphone audio, the MIC-A and MIC-B switches can only be tested by alternating them. Enabling both simultaneously will result in reduced volume.

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3. Caution

When connecting a dynamic microphone to the XLR channel, ensure the +48V switch is turned off to prevent damage to the microphone.

  1. The 10dB, 20dB, and 30dB switches should be toggled individually to achieve the corresponding gain values. Only one switch should be enabled at a time, with the other two disabled. For example, when enabling 10dB, the other two must be disabled.

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  1. The white power indicator light next to the USB port is excessively bright and may cause eye strain. The resistor can be changed to 1.2-1.5K to reduce brightness.

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II. Button Description

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III. PC Control Software Usage Instructions

You can set up the required scenario in the software. After opening, there will be an operation interface and a CMD window displaying logs.

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After adjusting the settings, click "Update Parameters in Real-time" in the lower left corner to apply changes to the device. If the settings are applied correctly, logs will be displayed.

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After configuration, if you need to save the settings, click "Save Parameters to PC"