Adjusting The Subwoofer Volume; Sub Woofer - Sony CDX-M9905X Operating Instructions Manual

Adjusting the subwoofer
volume
- Sub Woofer
1
Press
(SOURCE)
to select a source
(radio, CD, MD or AUX).
2
Press
(MENU).
3
Press . . or ... repeatedly to select
"Sound," then press
(ENTER).
4
Press . . or ... repeatedly to select
"Sub Woofer;' then press (
ENTER).
5
Press . . or ... repeatedly to adjust
the volume level, then press
(ENTER).
The volume level is adjustable in 1 dB steps
from
-00,
-10 dB to + 10 dB.
6
Press
(MENU ).
The display returns to the normal display.
Tip
'~"
appears when the volume level is below-tO dB.
Adjusting the cut-off frequency for the
sUbwoofer(s)
- LPF (Low pass filter)
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.
Cut-off frequency
off
78 125
Frequency (Hz)
1
Press
(SOURCE)
to select a source
(radio, CD, MD or AUX). •
2
Press
(MENU ).
3
Press . . or'" repeatedly to select
"Sound," then press
(ENTER).
4
Press" or ... repeatedly to select
"LPF;' then press
(ENTER).
5
Press . . or ... repeatedly to select the
desired cut-off frequency, then press
(ENTER ).
Each time you press" or ..., the frequency
changes as follows:
OFF +-+ 125Hz +-+ 78Hz
6
Press
(MENU ).
The display returns to the normal display.
To cancel the cut-off frequency, select "OFF" in
Step 5.
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