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4 Press < or , to select the cut-off
frequency.
Each time you press < or ,, the frequency
changes as follows:
off y 78 Hz y 99 Hz y 125 Hz y
157 Hz y 198 Hz
5 Press M or m to adjust the volume
level.
The volume level is adjustable by 1 dB steps
from –12 dB to +12 dB.
Tip
When you lower the volume all the way down,
“–
∞ dB” appears and the cut-off frequency is
disabled.
6 Press (ENTER).
After the effect is complete, the display
returns to the normal playback mode.
Adjusting the volume of the
subwoofer(s)
1 Press (SOURCE) to select a source
(tuner, CD, or MD).
2 Press (SOUND) repeatedly until “SUB”
appears.
3 Press < or , to adjust the volume.
After 3 seconds, the display returns to the
normal playback mode.
Tip
When you press < repeatedly to adjust the volume
all the way down, “–
∞ dB” appears and the cutout
frequency of the subwoofer is disabled.
Adjusting the frequency of the
subwoofer(s) (CDX-M770 only)
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 (MENU).
2 Press M or m repeatedly until “SUB
LPF” appears.
3 Press (ENTER).
4 Press < or , to select the desired
cut-off frequency.
Each time you press < or ,, the frequency
changes as follows:
62 Hz y 78 Hz y 99 Hz y 125 Hz
y 157 Hz y off
5 Press M or m to adjust the volume.
The volume level is adjustable by 1 dB steps
from –12 dB to +12 dB.
Tip
When you lower the volume all the way down,
“–
∞ dB” appears and the cut-off frequency is
disabled.
6 Press (ENTER).
After the frequency setting is complete, the
display returns to the normal playback mode.
Cut-off frequency
Frequency (Hz)
Level