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Room Equalization
Usually these settings may be left set to the factory defaults. However, theses settings allow for the correction of
various tonal errors that occur during reproduction of audio in a home theater.
The room equalization menu allows for two types of adjustments.
1) A notch filter that allows you to ‘Notch’ or reduce the accentuated bass created in a room using multiple
speakers (see Setting up the notch filter) or the capability to use Boundary Gain Compensation for use with a
THX Ultra2 Subwoofer. The Notch filter is not available for use while Boundary Gain Comp is set to Yes.
2) Variable bass and treble shelving filter controls which allow you to configure a default ‘Variable’ EQ setting that
best suits your listening room needs.
From Remote From Front Panel Action
1
À(UP) or §(DOWN)
(UP) or (DOWN) move to Room Equalization
2 SEL or ENTER (ENTER) activate SETUP EQUALIZATION
Setup Boundary Gain Compensation – in order to use Boundary Gain Compensation, your receiver must have
THX Ultra 2 Sub set to Yes under Setup Speaker Size.
From Remote From Front Panel Action
1
À(UP) or §(DOWN)
(UP) or (DOWN) move to Boundary Gain Comp
2
¶(LEFT) or •(RIGHT)
VOLUME KNOB set to Yes, Notch filter settings are now disabled
3
À(UP) or §(DOWN)
(UP) or (DOWN) move to next desired setting
Using the test tone generator - your receiver has a low frequency sine wave generator (20 to 300 Hz) available
as an aid in determining the most offensive frequency to notch. Usually this test tone generator will be used with
the aid of an SPL meter in a similar fashion as that described in Setup Speaker Levels. The tone generator may
also be used to show up any mechanical room vibrations that should be reduced or eliminated. While active, the
generator has adjustable frequency and three selectable output levels.
ROOM EQUALIZE THX BG COMP NO
SETUP ROOM EQUALIZATION
THX Boundary Gain Comp NO
Test Tone 100.0 Hz Off
Notch 150.0 Hz -20.0 dB
Notch Width 146.4 - 153.6 Hz
Bass 320.0 Hz +4.5 dB
Treble 10.0 kHz -18.0 dB
Subwoofer Phase Normal
next item adjust
MENU system setup
THX Boundary Gain Comp NO
SETUP SPEAKERS
1 Speaker Size
2 Speaker Location
3 Speaker Levels
4 Crossovers + LFE
5 Room Equalization
next item SEL select
MENU setup system
5 Room Equalization
TEST 100.0 HZ
100.0 Hz
SETUP ROOM EQUALIZATION
THX Boundary Gain Comp NO
Test Tone 100.0 Hz Off
Notch 150.0 Hz -20.0 dB
Notch Width 146.4 - 153.6 Hz
Bass 320.0 Hz +4.5 dB
Treble 10.0 kHz -18.0 dB
Subwoofer Phase Normal
next item adjust
MENU system setup
100.0 Hz