f10 no sound through usb headset

[Timothy Murphy]

Mikkel L. Ellertson wrote:

>> I plugged in the headset and can see from the log that it is
>> recognized, but I get no sound through the headset.

> I don't have experience with USB headsets, but it should show up as
> another sound card. Fire up PulseAudio Volume Control and look at
> the output device settings.

How does one "fire up PulseAudio Volume Control"?