Correctingthe subwoofersphase

Iftr ying to boost the bass output of the sub-
wooferdoesnt do much or rather makes you
feelthat the bass gets more murky, this may
indicatethat the subwoofer s output and bass
contentyou hear over other speakers cancel
eachother out. To remove this problem, try
changingthe phase setting for the subwoofer.
1 TouchA.MENU and DSP and then touch
NEXT.
2 TouchSPEAKER SETTING.
3 Touch or to select SUB WOOFER
(subwoofer).
Eachtime you touch or selects the
speakerin the following order:
FRONT(front speakers)CENTER (center
speaker)REAR(rear speakers)
SUBWOOFER (subwoofer)PHASE (sub-
woofersetting)
4 Touch toturn subwoofer output on.
#Toturn subwoofer output off, touch .
5 Touch andthen touch or to se-
lectthe phase of subwoofer output.
Touch toselect normal phase and
NORMALappears in the display. Touch to
selectreverse phase and REVERSE appears in
thedisplay.
Note
Whenplaying a 2-channel mono source with Pro
Logicturned on, there may be occasions when
thefollowing will occur:
!Noaudio is output if the center speaker set-
tingis SMALL or LARGE and no center speak-
eris installed.
!Audiois heard only over the center speaker if
installedand the center speaker setting is
SMALLor LARGE.
Selecting a cut-off frequency
Youcan select a frequency, under which
soundsare reproduced through the subwoo-
fer.If the installed speakers include one whose
sizehas been set to SMALL, you can select a
frequency,under which sounds are repro-
ducedthrough a LARGE speaker or subwoo-
fer.
1 TouchA.MENU and DSP and then touch
NEXT.
2 TouchCROSS OVER.
3 Touch or to select the speaker to
beadjusted.
Eachtime you touch or selects the
speakerin the following order:
FRONT(front speakers)CENTER (center
speaker)REAR(rear speakers)
SUBWOOFER (subwoofer)
4 Touch or to select cut-off fre-
quency.
Eachtime you touch or selects cut-off
frequenciesin the following order:
6380100125160200(Hz)
Note
Selectinga cut-off frequency is to set a cut-off fre-
quencyof the subwoofers L.P.F.(low-pass filter)
andthat of the SMALL speaker H.P.F.(high-pass
filter).The cut-off frequency setting has no effect
ifthe subwoofer is set to OFF and other speakers
areset to LARGE or OFF.
Adjusting the speakeroutput levels
Youcan readjust the speaker output levels
usinga test tone while listening to music.
Digital Signal Processor
En
70
Section
14