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How to operate the unit with an optional 5.1 ch decoder/AV matrix unit connected
133
5.1
 ch
de
coder
1. Before adjusting sound quality
Functions available when the optional 5.1 ch 
decoder/AV matrix unit is connected
The following table shows the finer audio adjustments that can be performed when the 
optional 5.1 ch decoder/AV matrix unit is connected.
Item
Function
Page
Parametric EQ
Perform a 5-band parametric equalizer adjustment on each 
channel (front, rear, center) and a 1-band adjustment on 
the woofer for a total of a 16-band adjustment.
POSITION
Sound localization can be adjusted according to the 
number and position of passengers in order to obtain 
optimum acoustic effects.
FADER/BALANCE
The left/right/front/rear balance can be adjusted.
Speaker 
Settings
Speaker 
System
The settings can be adjusted according to the connected 
speaker system (1-way 4 speaker system or front 3-way 
speaker system).
Time 
Alignment
The delay time and level of sound from each speaker can 
be adjusted in order to correct any phase mismatches in 
the sound resulting from the listening position.
Crossover
Allocate specified frequency bands to each speaker for 
improved sound integration.
Sub-woofer 
level
When a sub-woofer is connected, the preferred output 
level for the audio can be set.
Sub-woofer 
phase
The merging of sound between the front and rear speakers 
and the sub-woofer can be improved by selecting the 
phase. Switch to a phase that lets the speakers combine 
without any disharmony.
Speaker 
Level
Adjust the frequency band output to fit the size of the 
speakers connected to the unit.
Speaker 
Size
Set the speaker size.
Surround 
System
Settings
Dolby Pro 
Logic II
Achieve surround sound by moving from 2 channel stereo 
to 5.1 channel sound.
COMPRES
SION
Set the dynamic range (difference between the lowest and 
highest audio signal).
Center 
Width
When Dolby Pro Logic II is set to Music and the center 
speaker is set to LARGE or SMALL, sound from the center 
speaker is distributed to the left and right front speakers.
Center 
Level
Adjust the output level of the center speaker.
Rear Level
Adjust the output level of the rear speakers.
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