Panasonic SCBTT270 SCBTT270 User Guide - Page 41

Speaker settings 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 L LS LS C C R AC SW B RS RS : B : C D 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 ( ms 0.0 ) and press [OK]. e.g., 5.1ch setting ms dB  L 0.0 C 0R Complete Test dB 0 SW  dB ms dB 0 0.0 0 LS RS B Surround speaker / Surround back speaker Difference Approx. 170 cm (5 ft. 6 in.) Approx. 340 cm (11 ft. 1 in.) Approx. 510 cm (16 ft. 8 in.) Setting 5.0 ms 10.0 ms 15.0 ms [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. Adjusting speaker level Volume (Channel balance) ( dB 0 ) (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  Advanced operations A Center (C) B Left Surround (LS), Right Surround (RS) e.g., [BTT770] [BTT370] 7.1ch setting ms dB L 0.0 C 0R Complete Test dB 0 dB 0 SW ms dB 0.0 0 LS RS  dB LB 0 ms dB 0.0 0 RB C Left Surround back (LB), Right Surround back (RB) 2 Press [3, 4] to select the setting and press [OK]. A Center speaker Difference Approx. 34 cm (1 ft. 1 in.) Approx. 68 cm (2 ft. 2 in.) Approx. 102 cm (3 ft. 4 in.) Approx. 136 cm (4 ft. 5 in.) Approx. 170 cm (5 ft. 6 in.) Setting 1.0 ms 2.0 ms 3.0 ms 4.0 ms 5.0 ms ms dB L 0.0 C 0R Complete  Test dB 0 SW  dB ms dB 0 0.0 0 LS RS 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]. VQT3D27 41