• Before using the surround function
Make the following adjustments before using the surround
function.
2.
Select the center mode.
Select the center mode according to the center
speaker.
c~
MODE
5. Adjust the center and rear levels to set the
volume of the speakers to the same level.
T.TONE
~
T.TONE
~
3.
Emit the test tone.
4.
Select the auto sequence mode.
7.
Adjust the delay time and seating
posl-
tion as necessary.
Center Mode
Center
20
feet
~
-,
15
feet
Set the center mode as described below, according to the type of
center speaker being used.
Normal mode: This mode is suited for an arrangement in which
the center channel speaker is smaller than the left and right
speakers. Signals below 100 Hz which have almost no effect on
directional orientation are distributed to the left and right
channels, whereas the center channel output signals greater than
100
Hz. As a result, the bass of the ieft and right channels
increases the apparent deepness cf .r e sound.
Wide mode: This mode is suited fer
=~
3T,'lgement in which the
center channel speaker is of the sar"C
;;-2::e
as the left and right
speakers. The entire sound band fr orr
c.
-e;:J~ to high is output
to the center channel to provide ar. exc:.~;; sc ~~c field for your
enjoyment.
Phantom mode: Use this mode wher
ce~:-o'
:~2--el speaker is
not used. A directional emphasis circuit
prG'.::2 0
s ;:,.,al reproduc-
tion which is electrically oriented to the ce~,:e-
=~j
this provides
an exciting sound field for your enjoymen:.
Front left
Front right
C/J
a::
UJ
~
<{
UJ
c,
C/J
a::
<{
UJ
a::
~
o
a::
u..
UJ
U
Z
;:::
C/J
is
30
f--+--+--+--
f=:
t!j
35I--+--+--I--+--
!:o
Delay Time
25
f---f------j__/..
15
The optimum delay time will differ depending on the listening
position. Referring to the chart at left, set the optimum delay
time for your room's space and seating position. For example,
when the distance from the front speakers to the listening
position is
20
feet and that from the rear speakers to the listening
position is 15 feet, the optimum delay time will be
20
ms.
The variable range of the delay time differs depending on the
mode.
20
1----+--;
10
5
o
5 10 15 20 25 30 35 40
DISTANCE FROM FRONT SPEAKERS (FEET)
USABLE SPEAKER PLACEMENT RANGE WITH
Ixx
msl
DELAY TIME
IlfIJI
PREFERRED
ACCEPTABLE
D NOT RECOMMENDED
o
16
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