Acura 2011 RDX Owner's Manual page 230

Playing the FM/AM Radio (Models with navigation system)
FADER/BALANCE － These
modes adjust the strength of the
sound coming from each speaker.
Fader adjusts the front-to-back
strength, while balance adjusts the
side-to-side strength. To adjust fader
and balance, select FADER or
BALANCE, then press ENTER on
the interface selector. The current
setting is shown on the audio control
display. Turn the interface dial to the
desired level (fader: F9 to R9,
balance: L9 to R9), and enter your
selection by pressing ENTER. To
equalize the fader or balance, turn
the interface dial until the readings
on the sound grid come to the center
of the adjustment bar.
226
CENTER/SUBWOOFER － To
adjust the strength of the sound from
the center or subwoofer speaker,
select it and press ENTER on the
interface selector. Turn the interface
dial to the desired level (－6 to ＋6),
and enter your selection by pressing
ENTER. The current setting is
shown on the audio control display.
Even if the adjustment level reaches
－6, the sub woofer is not turned off.
2011 RDX
Dolby PL (Prologic) II － Dolby PL
(Prologic) II signal processing
creates multi-channel surround
sound from the audio signal
recorded with 2 channel stereo
sources. Dolby prologic II can only
be activated when listening to CD
(CD-DA, MP3/WMA), XM radio,
and AUX. When it activates, ''DPL II''
is shown on the upper display.