Press in on the volume control repeatedly to step through the menu of audio functions. The
first option is Volume, followed by
subwoofer (only if the
subwoofer feature is currently
activated), Bass, Treble, Balance,
Fader and back to Volume. When adjusting audio functions,
the unit will automatically exit audio control mode after five seconds of inactivity
If you need the user's guide,
click her to download.