Sony CDX-MP70 Installation/Connection, Operating Instructions Manual

Page: 28 / 182

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1
During playback or radio reception,
press
(MENU)
.
2
Rotate the
.
/
>
control dial until
“HPF” appears.
3
Press the – m or M + button to
select the cut-off frequency.
Each time you press the –
m
or
M
+
button, the frequency changes as follows:
off
(default setting)
y 78 Hz y 125 Hz
4
Press the . / > control dial.
After the frequency setting is complete, the
display returns to the normal playback mode.
Adjusting the volume of the
subwoofer(s)
1
Press (SOURCE) to select a source
(radio, CD, MD, or AUX).
2
Press the VOL control dial repeatedly
until “SUB” appears.
3
Rotate the VOL control dial 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.
1
During playback or radio reception,
press
(MENU)
.
2
Rotate the . / > control dial until
“LPF” appears.
3
Press the – m or M + button to
select the cut-off frequency.
Each time you press the –
m
or
M
+
button, the frequency changes as follows:
off
(default setting)
y 125 Hz y 78 Hz
4
Press the . / > control dial.
After the frequency setting is complete, the
display returns to the normal playback mode.
. / > control
dial
VOL control dial
Cut-off frequency
Frequency (Hz)
Level off
. / > control
dial