Sony CDX-M3DI Adjusting the volume of the subwoofers, 3-251-042-11, 01US02CD-U.fm

01US02CD-U.fm masterpage:Left

00US+00COV-U.book Page 28 Friday, December 13, 2002 4:08 AM

6 Press M or m repeatedly to select the cut-off frequency.

Each time you press M or m, the frequency changes as follows:

OFF (default setting) y 78 Hz y 125 Hz

7 Press (MENU).

After the frequency setting is complete, the display returns to the normal display.

Adjusting the volume of the subwoofer(s)

1 Press (SOURCE) to select a source (radio, CD, MD, or AUX).

2 Press (SOUND).

3 Press < or , repeatedly to select “SubWoofer.”

4 Press (ENTER).

5 Press < or , repeatedly to adjust the volume.

6 Press (ENTER).

The display returns to the normal display.

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 for a clearer sound.

Level	Cut-off frequency
	off

Frequency (Hz)

1 During playback or radio reception, press (MENU).

2 Press < or , repeatedly to select “SoundTuning.”

3 Press (ENTER).

4 Press M or m repeatedly to select “LPF.”

5 Press (ENTER).

6 Press M or m repeatedly to select the cut-off frequency.

Each time you press M or m, the frequency changes as follows:

OFF (default setting) y 125 Hz y 78 Hz

7 Press (MENU).

After the frequency setting is complete, the display returns to the normal display.

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CDX-M3DI

3-251-042-11(1)