5.1ch Surround Decoder Operations
Setting speakers ON/OFF
(CENTER-SP/SRD-SP/SUB-
WOOFER)
Set the centre speaker (CENTER-SP), surround
speaker (SRD-SP) and sub-woofer (SUB-
WOOFER) ON/OFF.
Be sure to set this setting to "OFF" when there
is no centre speaker, surround speaker or sub-
woofer.
• The factory default setting is "ON".
1. Press the [A] button to set to the adjust
mode.
2. Touch
on the setting item display to
select "CENTER-SP" under "SOUND",
"SRD-SP" under "SOUND", and "SUB-
WOOFER" under "SOUND".
ADJUST MODE
CENTER - SP
ON
SOUND
3. Either touch
on the right of the
display, or turn the [ROTARY] knob to select
"ON" or "OFF".
∗ In the case of "SUB-WOOFER", select
one of "ON+", "ON-" or "OFF".
Normally, select "ON+". However, when
"ON-" is set, an effect in the low range can
be strongly felt.
4. Press the [A] button to return to the original
mode.
Adjusting the filter
frequencies of speakers
(FRONT HPF/CENTER HPF/
SRD HPF/SUB-W LPF)
This function allows you to adjust the filter
frequency matched to the speakers you are
using.
• A speaker that was turned off in the section
"Setting speakers on or off (CENTER-SP/
SRD-SP/SUB-WOOFER)" is not displayed.
• The factory default setting for "FRONT HPF"
or "SRD HPF" is "THROUGH" (no filter), and
for "CENTER HPF" or "SUB-W LPF" is
"120Hz".
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DXZ948RMP
Filter adjustment
FRONT HPF/CENTER HPF/SRD HPF
(high-pass filter adjustment)
This filter cuts bass sound from the front centre
and surround speakers.
THROUGH
50Hz
80Hz
120Hz
Set the filter matched to the speaker when
small-diameter speakers are used.
THROUGH
Set this when using speakers that can
generate bass. THROUGH cannot be set at
CENTER HPF.
SUB-W LPF (sub-woofer low-pass filter
adjustment)
This filter cuts treble sound from the sub-woofer.
50Hz
80Hz
120Hz
Set the filter frequency to match the sub-woofer.
1. Press the [A] button to set to the adjust
mode.
2. Touch
on the setting item display to
select "FRONT HPF" under "SOUND",
"CENTER HPF" under "SOUND", "SRD
HPF" under "SOUND", and "SUB-W LPF"
under "SOUND".
ADJUST MODE
FRONT HPF
THROUGH
SOUND
3. Either touch
on the right of the
display, or turn the [ROTARY] knob to set
the frequency.
∗ Select one of THROUGH*
1
, 50Hz, 80Hz,
and 120Hz.
*
1
THROUGH is displayed only when
"FRONT HPF" or "SRD HPF" is
selected.
4. Press the [A] button to return to the original
mode.
Adjusting the delay time of
the speaker
(CENTER-SP/SRD-SP)
The timing when the sound of each speaker
reaches the listening position depends on your
speaker installation and the size of your car.
Adjust the delay time of each speaker so that
the sound of all speakers reaches the listening
position at the same time as the sound from the
front speakers.
• The factory default setting is "0 ms".
1. Press the [A] button to set to the adjust
mode.
2. Touch
on the setting item display to
select "CENTER-SP" under "DELAY" and
"SRD-SP" under "DELAY".
ADJUST MODE
CENTER - SP
0ms
DELAY
3. Touch
on the right of the display to
adjust the delay time.
∗ "CENTER-SP" can be adjusted within the
range 0 ms to 5 ms.
∗ "SRD-SP" can be adjusted within the
range 0 ms to 15 ms.
4. Press the [A] button to return to the original
mode.
Adjusting the Dolby Digital
functions (D-RANGE)
This function compresses the dynamic range of
Dolby Digital to maintain low level sounds such
as actor conversation and suppress loud sound
volumes.
These functions are only available on Dolby
Digital DVD discs.
• The factory default setting is "MAX".
1. Press the [A] button to set to the adjust
mode.
2. Touch
on the setting item display to
select "DOLBY D" under "D-RANGE".
ADJUST MODE
D - RANGE
MAX
Dolby D
5.1ch Surround Decoder Operations
3. Touch
on the right of the display to
adjust the dynamic range and adjust the
desired item.
MAX: maximum dynamic range mode of the
original source
STD: recommended mode for standard
listening
MIN: the most compressed dynamic range
mode that renders even low sounds easy to
hear.
4. Press the [A] button to return to the original
mode.
DXZ948RMP
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