Texas Instruments DEM-PCM2912A EVM manual Audio Midi Setting Window Mac OS

www.ti.com Basic Operating Set-Up—Mac OS

3.3.2 Volume Settings

Follow these steps to configure the volume settings for headphones, microphone, and the recording options.

To set the headphone volume:

Step 1. Open the Audio MIDI Settings options (Application→Utility→Set Audio MIDI), as illustrated in Figure 3-14. Alternatively, open the Output tab of the Sound options, as illustrated in Figure 3-13.

Step 2. Set the headphone volume and the audio output levels from –76 dB to 0 dB, and set the desired mute.

To set the record volume:

1.Open the Audio MIDI Settings options (Application→Utility→Set Audio MIDI), as illustrated in Figure 3-14. Alternatively, open the Input tab of the Sound options, as illustrated in Figure 3-12.

2.Set the recording level from –12 dB to +30 dB, and set the desired mute.

Figure 3-14. Audio Midi Setting Window (Mac OS)

SBAU141–January 2009 Set-Up Guide 29

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