Texas Instruments DEM-PCM2912A EVM 数据表
3.1.2 Volume and Mute Settings
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Basic Operating Set-Up—Windows Vista
Follow these steps to configure the volume settings for headphones, microphone, and the recording
options.
options.
To set the headphone volume:
Step 1.
Open the Sound options from the Control Panel. (Start
→
Control Panel
→
Sound)
Step 2.
Open the speaker properties of the USB audio codec from the Sound options and select the
Levels tab, as
Levels tab, as
illustrates.
Step 3.
Set the output volume, mute, and the balance for headphones from –76 dB to 0 dB.
To set the microphone sidetone:
Step 1.
Open the Sound options from the Control Panel. (Start
→
Control Panel
→
Sound)
Step 2.
Open the speaker properties of the USB audio codec from the Sound options and select the
Levels tab, as
Levels tab, as
illustrates.
Step 3.
Set the volume and the mute levels for the microphone sidetone from –76 dB to 0 dB.
Figure 3-3. Speakers Properties—Levels Tab (Windows Vista)
SBAU141 – January 2009
Set-Up Guide
19