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SUBWOOFER AND CENTRE SPEAKER
➮ Press the AUDIO button :.
“AUDIO MENU” appears in the display.
➮ Press the softkey 5 assigned to
the “SUBOUT” display item.
➮ Press the softkey 5 assigned to
the “LOWPASS” display item.
➮ Move the joystick 8 to switch be-
tween the available settings.
When you have finished making your
changes,
➮ press the joystick OK 8 or the
AUDIO button :.
Setting up the subsonic filter
To avoid interference due to extremely
low frequencies, you can set the sub-
sonic filter to limit the frequency re-
sponse of the device at the lower end
of the range. This makes particularly
good sense if you are using a small sub-
woofer. If you set up the subsonic filter,
all the frequencies below the set fre-
quency will be suppressed. When set-
ting up the subsonic filter, you should
base the settings that you choose on
the specifications of the loudspeakers
in your vehicle.
The following frequencies are available:
“20 Hz”, “25 Hz”, “32 Hz” and “40 Hz”.
You can also set a quality factor “Q” in
five steps for the selected frequency:
“Q1”=0.5, “Q2”=0.7, “Q3”=0.9, “Q4”=1.1
and “Q5”=1.3.
If you select the “FLAT” setting, the fre-
quency response of the device will not
be modified.
➮ Press the AUDIO button :.
“AUDIO MENU” appears in the display.
➮ Press the softkey 5 assigned to
the “SUBOUT” display item.
➮ Press the softkey 5 assigned to
the “SUBSONIC” display item.
➮ Move the joystick 8 left or right to
choose between the available fre-
quencies.
➮ Move the joystick 8 up or down to
select the quality factor that you
want for the set frequency.
When you have finished making your
changes,
➮ press the joystick OK 8 or the
AUDIO button :.
Setting up the centre speaker
You can select the frequency above
which you want a connected centre
speaker to be driven.
The following frequencies are available:
“200 Hz”, “400 Hz”, “800 Hz”, “1600 Hz”
and “3200 Hz”. If you select the “FLAT”
setting, all the frequencies (including the
bass) will be reproduced by the centre
speaker. You should only select this
setting if your centre speaker has a built-
in high-pass filter.
Besides the frequency, you can also
adjust the gain for the centre speaker.
➮ Press the AUDIO button :.
“AUDIO MENU” appears in the display.
➮ Press the NEXT button 4.
“AUDIO MENU 2” appears in the dis-
play.