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Adjusting the frequency of 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.
1 Press (SOURCE) to select a source (tuner,
CD, or MD).
2 Press (SOUND) for two seconds.
3 Press (SOUND) repeatedly until “SUB”
appears.
4 Rotate the dial to select the desired cut-
off frequency.
The cut-off frequency in the display
changes as follows.
62 n 78 n 99 n 125* n 157 n 198 Hz
*
Factory-set frequency
5 Press (SOUND) for two seconds.
After the frequency setting is complete, the
display returns to the normal playback
mode.
Tip
Each time you press (5) (n), the mode changes
between subwoofer volume adjusting mode and
the cut-off frequency adjusting mode.
Level
62 125 198
Cut-off frequency
Frequency (Hz)
Adjusting the volume of
the bass and treble
You can adjust the volume of the bass and
treble to best fit the acoustic characteristics
inside your car.
1 Press (SOURCE) to select a source (tuner,
CD, or MD).
2 Press (SOUND) repeatedly until “BAS” or
“TRE” appears.
3 Rotate the dial to adjust the volume.
After three seconds, the display returns to
the normal playback mode.
Adjusting the turn-over frequency
You can adjust the bass and treble turn-over
frequencies.
1 Press (SOURCE) to select a source (tuner,
CD, or MD).
2 Press (SOUND) for two seconds.
3 Press (SOUND) repeatedly until “BAS” or
“TRE” appears.
Bass adjusting mode
Treble adjusting mode
Tip
Each time you press (5) (n), the mode
changes between the turn-over frequency
adjusting mode and the bass and treble volume
adjusting mode.
Frequency (Hz)
Turn-over frequency