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DPH910 5
4. FUNCTIONS OF DPH910
With the DPH910, you can enjoy the DSF and
equalizer effects by simulating the sound field
using the easy menu with simple operation (stan-
dard mode), and also by simulating the sound
field by adjusting the sound according to the width
of the car interior (professional mode).
• Choose either standard mode or professional
mode to adjust the sound field and sound qual-
ity.
• The following major functions are available on
the DPH910:
Functions common to each mode
Spectrum analyzer display, auto loudness, etc.
STD mode
Graphic equalizer function, DSF function, etc.
PRO mode
Virtual Space Enhancer function, parametric
equalizer function, etc.
• In this manual, graphic equalizer is hereafter
referred to as G.EQ, Virtual Space Enhancer
referred to as VSE, and parametric equalizer
referred to as P.EQ.
Functions common to each mode
7-band spectrum analyzer display
Spectrum analyzer display of 7 bands is possible.
Auto Loudness Adjustments
You can vary the amount of compression be-
tween 0 and 10 without changing the loudness.
Subwoofer Adjustments
The following adjustments can be made if a
subwoofer is connected:
1. You can set the speakers to:
“OFF”, “MONO” and “STEREO”.
2. You can set the subwoofer volume to:
0 to 14
3. You can set the low-pass filter frequency to:
50Hz, 80Hz or 120Hz.
∗ The slope of the low-pass filter is 24dB/oct.
High-pass Adjustments
You can select the frequency of the high-pass
filter from Through, 50Hz, 80Hz and 120Hz.
∗ The slope of the high-pass filter is 18dB/oct.
Test-tone Output
Test tones can be output in the following order to
check the speaker connections:
FRONT-LEFT ➜ FRONT-RIGHT ➜ REAR-LEFT ➜
REAR-RIGHT ➜ WOOFER-LEFT ➜ WOOFER-
RIGHT ➜ ALL(all speakers) ➜ OFF(no sound)
Title Input
You can assign and display titles for the DSF,
G.EQ, VSE and P.EQ settings you have set.
4V preout
The preout voltage is raised to 4 V, providing char-
acteristics that are resistant to noise during sig-
nal transmission.
Note:
• Since noise or sound distortion may occur when
an external amplifier is connected to this unit, keep
the amplifier gain at a lower level.
Digital signal input terminal
Since 2 digital input signal terminals are provided
with this unit, up to 2 units with digital signal out-
put terminals (such as a CD changer) can be
connected.
Notes:
• When the DPH910 and a unit with digital signal
output terminal are connected with the digital op-
tical fiber cable, and the digital optical fiber cable
is disconnected, no sound is heard. Reconnect the
digital optical fiber cable.
• If you want to listen to music from an analogue
input, disconnect the digital optical fiber cable and
perform a system check by operating the source
unit.