14
ENGLISH
To cancel the settings, select “Level Clear” and “Yes” on the “Channel Level” screen, then make the
settings again.
The level of each channel should be adjusted to 75 dB (C-weighted, slow meter mode) on a sound level meter
at the listening position.
If a sound level meter is not available adjust the channels by ear so the sound levels are the same. Because
adjusting the subwoofer level test tone by ear is difficult, use a well known music selection and adjust for natural
balance.
NOTE: When adjusting the level of an active subwoofer system, you may also need to adjust the subwoofer’s
own volume control.
When you adjust the channel levels while in the SYSTEM SETUP CHANNEL LEVEL mode, the channel
level adjustments made will affect ALL surround modes. Consider this mode a Master Channel Level
adjustment mode.
After you have completed the SYSTEM SETUP CHANNEL LEVEL adjustments, you can then activate the
individual surround modes and adjust channel levels that will be remembered for each of those modes.
Then, whenever you activate a particular surround sound mode, your preferred channel level adjustments
for just that mode will be recalled. Check the instructions for adjusting channel levels within each
surround mode on Page 25.
You can adjust the channel levels for each of the following surround modes: DIRECT, STEREO, 5CH/7CH
STEREO, DOLBY/DTS SURROUND, HOME THX CINEMA, WIDE SCREEN, SUPER STADIUM, ROCK
ARENA, JAZZ CLUB, CLASSIC CONCERT, MONO MOVIE, and MATRIX.
When using either surround speakers A or B, or when using surround speakers A and B at the same time,
be sure to adjust the balance of playback levels between each channel for the various selections of “A
or B” and “A and B”.
Make these settings when “Yes” is selected for the subwoofer in the Speaker Configuration settings.
There is not displayed when “No” selected. (page 11)
Settings for using a THX Ultra2 compatible subwoofer
1
Select “THX Audio Setup” on the System Setup Menu
screen.
2
3
Press jog stick “ENTER” to switch to the THX Audio Setup screen.
Select “Boundary Gain Compensation”, then
press jog stick “ENTER”.
4
When using a THX Ultra2 compatible subwoofer or
subwoofer that frequency response extends to 20 Hz, select
“Yes”. Otherwise select “No”.
• When “Yes ” is selected
“Boundary Gain Compensation” can be selected and the
compensation set to “OFF”.
• If the bass sound seems too strong
Set “Boundary Gain Compensation” to “ON”. This
activates a circuit that cuts the low frequencies of 55 Hz
and under. Select “ON” or “OFF” according to how strong
you like the bass sound to be.
5
Press jog stick “ENTER” to return to the THX Audio Setup screen.
• When two surround back speakers have been set in the Speaker Configuration settings (page 11), set the
distance of the speakers. There is not displayed when “1spkr” selected.
• This setting is necessary to achieve the optimum effect in the THX Surround EX, THX Ultra2 Cinema and THX
Music modes. It is recommended that SBL/SBR speakers are placed together as close as possible.
Surround Back Speaker Position Settings
1
2
3
4
Select “Surround Back Speaker Position” on the
THX Audio Setup screen, then press jog stick
“ENTER”.
Select the settings according to the distances of the two
surround back speakers. (page 12)
Press jog stick “ENTER” to return to the THX Audio Setup screen.
Select “Exit” then press the ENTER button to
return to the System Setup Menu screen.
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