Speaker settings, Adjusting speaker level, When using the 7.1ch speaker system – Panasonic SC-BTT370 User Manual
Page 41: Select “test” and press [ok, Press [ok, Ab c d, Advanced operations, Delay time, Volume (channel balance) ( )
Advanced operations
41
VQT3D27
Delay time
For optimum listening with 5.1-channel sound, all the
speakers, except for the subwoofer, should be the same
distance from the seating position.
If either distance A or B is less than C, find the difference in
the relevant table and adjust the delay time to make up for the
difference.
A B C: Primary listening distance
A Approximate room dimensions
B Actual speaker position
C Ideal speaker position
D Circle of constant primary listening distance
1
Press [3, 4, 2, 1] to select the distance
box (
) and press [OK].
e.g., 5.1ch setting
A Center (C)
B Left Surround (LS), Right Surround (RS)
e.g., [BTT770] [BTT370] 7.1ch setting
C Left Surround back (LB), Right Surround back (RB)
2
Press [3, 4] to select the setting and press
[OK].
A Center speaker
B Surround speaker / Surround back speaker
[BTT770] [BTT370]
∫ When using the 7.1ch speaker system
1 Check the distance difference of both the front speakers
and the surround back speakers from the seating position.
2 Set the delay time of the surround back speakers.
Volume (Channel balance) (
)
(Effective when playing multi-channel audio)
1
Select “Test” and press [OK].
A test signal is output.
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.
e.g., 5.1ch setting
A Center (C)
B Test
C Left Surround (LS), Right Surround (RS)
To finish the speaker setting
Press [3, 4, 2, 1] to select “Complete” and press [OK].
Speaker settings
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
:
:
L
LS
R
SW
C
RS
C
RS
LS
A
B
C
A
B
C
D
0.0
ms
0
0
0
0.0
0.0
ms
Complete
Test
LS
R
L
RS
dB
dB
dB
ms
C
0
dB
SW
0
0
0
0.0
0.0
0.0
0
0
dB
dB
ms
RB
LB
ms
Complete
Test
LS
R
L
RS
dB
dB
dB
ms
C
0
dB
SW
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
Adjusting speaker level
dB
0
0
0
0
0.0
0.0
ms
Complete
Test
LS
R
L
RS
dB
dB
dB
ms
C
0
dB
SW
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