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RQT9508
Delay time ( )
For optimum listening with 7.1-channel sound, all the speakers, except
for the subwoofer, should be the same distance from the seating
position.
If you have to place the center, surround and surround back speakers
closer to the seating position, adjust the delay time to make up for the
difference.
If either distance A or B is less than C (D below), find the difference
in the relevant table and change to the recommended setting.
1 Press [3, 4, 2, 1] to select the distance box ( ) and press
[OK].
2 Press [3, 4] to select the setting and press [OK].
Volume (Channel balance) ( )
(Effective when playing multi-channel audio)
1 Select “Test” and press [OK].
A test signal is output.
Front (L) ——)Center ——)Front (R) ——) Surround (RS)
:;
Surround (LS)(— Surround back (LB) (— Surround back (RB)
2 While listening to the test signal, press [3, 4] to adjust the volume
of each speaker.
The volume can be adjusted between r6 dB to s6 dB.
≥Set each speaker level according to the volume of the Front (L)
and Front (R) speaker volume respectively.
3 Press [OK].
The test signal stops.
≥No signal is output for the subwoofer. To adjust its volume, see
page 18, Adjusting speaker level during play.
∫ To finish the speaker setting
Press [3, 4, 2, 1] to select “Complete” and press [OK].
Speaker settings
Adjusting the sound lag between speakers
A Center speaker
Difference Setting
Approx. 34 cm (1 ft. 1 in.) 1.0 ms
Approx. 68 cm (2 ft. 2 in.) 2.0 ms
Approx. 102 cm (3 ft. 4 in.) 3.0 ms
Approx. 136 cm (4 ft. 5 in.) 4.0 ms
Approx. 170 cm (5 ft. 6 in.) 5.0 ms
B Surround/Surround back speakers
Difference Setting
Approx. 170 cm (5 ft. 6 in.) 5.0 ms
Approx. 340 cm (11 ft. 1 in.) 10.0 ms
Approx. 510 cm (16 ft. 8 in.) 15.0 ms
ms
0.0
ms
0.0
B CA
L
LB
R
RS
SW
C
RB
C
RB
RSLS
LB
A
C
B
B
LS
: Actual speaker position
Approximate room dimensions
Circle of constant primary listening distance
: Ideal speaker position
: Primary listening distance
ms
L
Complete
Tes t
LS
R
SW
RS
dB
dB
dBdB
LB RB
0
0
0.0 00
ms
dBdB
0.0 00
C
ms
0.0
Center (C)
[LS (L)] Surround [RS (R)]
[LB (L)] Surround back [RB (R)]
Adjusting the speaker level
dB
0
dB
ms
L
Complete
Tes t
LS
R
SW
RS
dB
dBdB
LB RB
0
0.0 00
ms
dBdB
0.0 00
C
ms
0.0
dB
0
Center (C)
Test
Surround back [RB (R)]
Surround
[LS (L)]
Surround
[RS (R)]
[LB (L)] Surround back
Advanced operations
BT300.book 41 ページ ２００９年６月１２日 金曜日 午後１２時１３分