Texas Instruments DEM-PCM2912A EVM manual To set the record volume

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Basic Operating Set-Up—Windows Vista

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To set the record volume:

Step 1. Open the Sound options from the Control Panel. (Start→Control Panel→Sound)

Step 2. Open the microphone properties of the USB audio codec from the Sound options and select the Levels tab, as Figure 3-4illustrates.

Step 3. Set the microphone volume and the recording mute level from –12 dB to +30 dB.

Figure 3-4. Microphone Properties—Levels Tab (Windows Vista)

After this process is complete, the system volume setting for each component is maintained even if EVM is plugged in/out.

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Set-Up Guide

SBAU141–January 2009

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Contents Users Guide Submit Documentation Feedback Contents List of Figures List of Tables Submit Documentation Feedback Information About Cautions and Warnings About This Manual How to Use This ManualRead This First Trademarks Related Documentation From Texas InstrumentsIf You Need Assistance FCC Warning Description Pin Assignments and Terminal FunctionsKey Features Introduction-PCM2912APin Assignments and Terminal Functions TopViewName Functional Block Diagram DEM-PCM2912A EVM Functional Block DiagramSubmit Documentation Feedback Getting Started Block Diagram DEM-PCM2912A EVM ConnectorsElectrostatic Discharge Warning Interface and ConnectionsSet-Up Guide Basic Operating Set-Up-Windows VistaBasic Operating Set-Up-Windows Vista Windows VistaVolume and Mute Settings To set the record volume Sampling Frequency To set the ADC sampling frequency Basic Operating Set-Up-Windows XP Sound and Audio Devices Properties-Audio Tab Windows XPVolume Settings Speaker Window for Volume Setting Windows XP Basic Operating Set-Up-Windows XP Basic Operating Set-Up-Mac OS 12. Sound-Input Tab Mac OS13. Sound-Output Tab Mac OS 14. Audio Midi Setting Window Mac OS 15. QuickTime Audio Recording Controls 16. Audio Midi Setting Window Mac OS Submit Documentation Feedback Measurements for Dynamic Characteristics Evaluation and MeasurementsMeasurements for Dynamic Characteristics Playback PerformanceLine Output Playback Performance ΩHeadphone Output Playback PerformanceRecording Performance DoutSchematic, PCB Layout, and Bill of Materials Schematics Printed Circuit Board Layout Component ListSchematics DEM-PCM2912A EVM SchematicPrinted Circuit Board Layout DEM-PCM2912A EVM Board Layout-SilkscreenComponent List Bill of MaterialsValue2 Evaluation BOARD/KIT Important Notice FCC WarningImportant Notice