Digital Signal Processor
(Function of AVH-P4490BT/AVH-P3490DVD)
Introduction of DSP adjustments
You can use this unit to control a DEQ-P7650
multi-channel processor (sold separately).
By carrying out the following settings/adjust-
ments in the order shown, you can effortlessly
create a finely-tuned sound field.
1
2
3
Auto TA and EQ (auto-time alignment and auto-
equalizing)
4
5
Adjusting the speaker output levels using a
test tone
6
Selecting a cross-over frequency
7
Adjusting the speaker output levels
8
Adjusting the 3-band parametric equalizer
Notes
!
You cannot use the audio functions when
playing discs recorded at a sampling fre-
quency higher than 96 kHz. The equalizer
curve setting,
Position
,
Auto EQ
and
Auto TA
will also be canceled.
!
Sound is only emitted from front speakers
when playing discs recorded at a sampling
frequency higher than 96 kHz.
!
When selecting FM as the source, you cannot
switch to
Source Level Adjuster
.
!
You can only switch to
Dynamic Range Control
when you are play-
ing DVD discs.
!
You can only switch to
Time Alignment
when
either
Front-L
or
Front-R
is selected in
Position
.
!
When the speaker setting for both the center
and rear speakers are set to OFF, you cannot
switch to
Dolby Pro Logic II
.
!
When the multi-channel processor (DEQ-
P7650) is connected to this unit, you cannot
use
MUTE
function.
Using the position selector
One way to assure a more natural sound is to
optimize the stereo image and place you right
in the center of the sound field. With the posi-
tion selector function, you can automatically
adjust the speaker output levels and insert a
delay time to match the number and position
of the occupied seats. When used in conjunc-
tion with the SFC, this feature will make the
sound image more natural and offer a panora-
mic sound that envelops you.
1
Display the DSP function menu.
Refer to
Introduction of menu operations
2
Touch Position on the DSP function
menu.
3
Touch
c
/
d
/
a
/
b
to select a listening po-
sition.
Key
Display
Position
c
Front-L
Left front seat
d
Front-R
Right front seat
a
Front
Front seats
b
All
All seats
#
To cancel the selected position, touch the
same key again.
Note
When adjustments are made to the listening po-
sition, the speaker outputs are automatically set
to the appropriate levels. To tailor the levels more
precisely, refer to
Adjusting the speaker output le-
on page 54 or
Using fader/balance adjustment
You can change the fader/balance setting to
provide an ideal listening environment for all
of the occupied seats.
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49
Section
12
Menu
operations
Menu operations
