B&K Reference 30 Owner's Manual page 35

Set subwoofer phase - In addition to the subwoofer location adjustment (see Speaker Location above), your
processor has an option to 'invert the phase' of the information sent to the subwoofer. This adjustment is
sometimes needed to correct 'lack of low end' problems created with the interaction between the subwoofer and
other large speakers in a listening room. The correct subwoofer phase adjustment is the one which allows the
loudest listening level.
From Remote
­ V
1
(PAUSE) or (STOP)
ˆ ‡
2
(REW) or (FF)
3 MENU
4 MENU
SETUP CROSSOVERS + LFE
1 Crossover 80.0 Hz THX
2 High Pass 12.0 dB THX
3 Low Pass 24.0 dB THX
4 Peak Limiter 0.0 dB
5 LFE Level 0.0 dB
6 DTS LFE Mode Movie
7 Subwoofer Phase Normal
7 Subwoofer Phase Normal
next item adjust
MENU setup speakers
From Front Panel
(UP) or (DOWN)
VOLUME KNOB
MENU
MENU
32
Action
move to DTS LFE Mode
adjust to desired value
return to SETUP SPEAKERS
return to SETUP SYSTEM
p/n 12857 Rev. 0717A