Sony CDX-CA900X Operating Instructions - Page 20
Adjusting the front and rear volume, Adjusting the volume of the subwoofer(s
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Adjusting the front and rear volume 1 Press (SOURCE) to select a desired source. 2 Press (SOUND) repeatedly until "FAD" appears. Adjusting the volume of the subwoofer(s) 1 Press (SOURCE) to select a desired source. 2 Press (SOUND) repeatedly until "SUB" appears. Level Level 3 Press < or , repeatedly to adjust the volume of front/rear speakers. After 3 seconds, the display returns to the normal playback mode. Adjusting the cut-off frequency for the front/rear speakers To match the characteristics of the installed speaker system, you can select the cut-off frequency of the speakers. Cut-off frequency off Frequency (Hz) 1 During playback or radio reception, press (MENU). 2 Press M or m repeatedly until "HPF" appears. 3 Press < or , to select the cut-off frequency. Each time you press < or ,, the frequency changes as follows: off (default setting) y 78Hz y 125Hz 4 Press (MENU). After the frequency setting is complete, the display returns to normal playback mode. 3 < or , repeatedly to adjust the volume. After 3 seconds, the display returns to the normal playback mode. Tip The volume level is adjustable from -10 dB to +10 dB. (Below -10 dB, "-∞ dB" is displayed.) Adjusting the cut-off frequency for the subwoofer(s) To match the characteristics of the connected subwoofer(s), you can cut out the unwanted high and middle frequency signals entering the subwoofer(s). By setting the cut-off frequency (see the diagram below), the subwoofer(s) will output only low frequency signals so you can get a clearer sound image. Cut-off frequency off Frequency (Hz) 1 During playback or radio reception, press (MENU). 2 Press M or m repeatedly until "LPF" appears. 20