Texas Instruments DEM-PCM2912AEVM User Manual page 7

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To set the record volume:
1. Open the Sound options from the Control Panel. (Start→Control Panel→Sound)
2. Open the microphone properties of the USB audio codec from the Record options and select the Levels tab,
as Figure 3-4 illustrates.
3. Set the microphone volume and the recording mute level from –12 dB to +30 dB.
After this process is complete, the system volume setting for each component is maintained even if EVM is
plugged in/out.
SBAU141A – JANUARY 2009 – REVISED APRIL 2024
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Figure 3-4. Microphone Properties—Levels Tab (Windows)
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DEM-PCM2912A Evaluation Module 7