AIWA XH-A1000 Operating Instructions - Page 25
Play With Dolby Pro Logic
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2 Press MANUAL SELECT and hold it down for about 4 seconds until "L" flashes. PLAY WITH DOLBY PRO LOGIC A noise signal is sent to each channel in turn in the following sequence. AUX/ PHONO/ 5.1CH VIDEO 1/2/3 MANUAL SELECT f,g 3 Adjust the sound level of the center and the surround speakers. While "CEN", "S-R" or "S-L" is displayed, press f or g to adjust the volume of the center or surround speakers to match the level of the left and right speakers. To adjust the balance between the left and right front speakers, see page 11. 4 Press MANUAL SELECT again to stop the noise signal. NOTE • If the surround speakers or the center speaker level of the DOLBY PRO LOGIC is changed, that of the DSP SURROUND system (page 13) and the DOLBY DIGITAL SURROUND (page 25) is also changed. • While "S-R" or "S-L" is displayed, both surround speakers output the noise signal together. However, only the sound level of one surround speaker displayed as "S-R" or "S-L" can be adjusted. • When the sequencer outputs a noise signal, a clicking sound might be heard from the speakers due to the characteristics of the circuit. This is not malfunction. About the channels The left and right speakers create the stereo effect. The center speaker helps achieve precise sound positioning over a broad sound field. The surround speakers enhance the "depth" of the sound field. To change the delay time The surround speakers reproduce sounds a split second after the front speakers. The delay is initially set to 20 ms (milliseconds). To change this standard delay time, press MANUAL SELECT on the remote control repeatedly in NORMAL or PHANTOM mode until "TIME" is displayed. Then, press the f or g. Each time one of the buttons is pressed, the delay time changes as shown below. 15ms j l 20ms j l 30ms f,g 1 Press VIDEO 1/2/3 or AUX/PHONO/5.1CH. Then start playback of the video source. 2 Press DOLBY PRO LOGIC. NORMAL is selected, and the playback sound has the DOLBY PRO LOGIC effect. To cancel DOLBY PRO LOGIC mode Press DOLBY PRO LOGIC repeatedly until "OFF" is displayed. To change the sound levels during playback After adjusting the balance with the noise sequencer, the sound levels of the center or surround speakers can be adjusted during playback of laser discs or video software. 1 Press MANUAL SELECT on the remote control repeatedly to select "CEN" (center), "S-R" (surround right) or "S-L" (surround left). 2 While the "CEN", "S-R" or "S-L" is displayed, press f or g on the remote control to adjust the volume. 24 ENGLISH