Sound Field Adjustment; Adjusting The Parametric Equalizer Curve; Adjusting The Graphic Equalizer Curve; Adjusting The Time Correction - Alpine iDA-X311 User Manual

Sound Field Adjustment

The setting of Parametric EQ/Graphic EQ Adjustment, Time Correction
and X-Over can be adjusted in this mode.

Adjusting the Parametric Equalizer Curve

You can modify the Equalizer settings to create a response curve more
appealing to your personal taste. To adjust the Parametric Equalizer
Curve, set the EQ mode to PARAMETRIC EQ. For details, refer to
"Setting EQ mode" (page 29).
1
After selecting EQ ADJ (Parametric EQ) from the
Sound Field Adjustment mode, turn the Double
Action encoder to select the band adjustment, and
then press /ENTER.
BAND1 BAND2 BAND3
2
Turn the Double Action encoder to select an item
to adjust, then press
FC LV
(frequency) (level)
Frequency Adjustment
3
-1 Turn the Double Action encoder to select
frequency bands.
Adjustable frequency bands:
20 Hz to 20 kHz (in 1/3 octave steps)
BAND1: 20 Hz~80 Hz (63 Hz)
BAND2: 50 Hz~200 Hz (150 Hz)
BAND3: 125 Hz~3.2 kHz (400 Hz)
BAND4: 315 Hz~8 kHz (1 kHz)
BAND5: 800 Hz~20 kHz (2.5 kHz)
Level Adjustment
3
-2 Turn the Double Action encoder to adjust the
level.
Adjustable level: -6 to +6 dB
Bandwidth (Q) Adjustment
3
-3 Turn the Double Action encoder to set the
bandwidth (Q).
Adjustable bandwidth: 1, 1.5, 3
4
To adjust another band, repeat steps 1 to 3 and
adjust all bands.
• The frequencies of adjacent bands cannot be adjusted within 4 steps.
• While adjusting the Parametric EQ, you should consider the
frequency response of the connected speakers.
• You can select the next band by pressing and turning the Double
Action encoder.
• The User Preset screen can be recalled in the normal mode by
pressing and holding PRESET for 2 seconds.
BAND4 BAND5 BAND1
/ENTER.
Q FC
(bandwidth) (frequency)

Adjusting the Graphic Equalizer Curve

You can modify the equalizer settings to create a response curve more
appealing to your personal taste. To adjust the graphic equalizer curve,
set the EQ mode to GRAPHIC EQ. For details, refer to "Setting EQ
mode" (page 29).
1
After selecting EQ ADJ (Graphic EQ) from the Sound
Field Adjustment mode, turn the Double Action
encoder to select the band adjustment, and then
press /ENTER.
BAND1 BAND2 BAND3
BAND6 BAND7 BAND1
BAND-1 (63 Hz) / BAND-2 (150 Hz) / BAND-3 (400 Hz) /
BAND-4 (1 kHz) / BAND-5 (2.5 kHz) / BAND-6 (6.3 kHz) /
BAND-7 (17.5 kHz)
2
Press /ENTER to activate the level adjusting
mode.
3
Turn the Double Action encoder to adjust the
level.
Adjustable output level: -6 to +6 dB
4
To adjust another band, repeat steps 1 to 3, and then
adjust all bands.
• You can select the next band by pressing and turning the Double
Action encoder.
• The User Preset screen can be recalled in the normal mode by
pressing and holding PRESET for 2 seconds.

Adjusting the Time Correction

Before performing the following procedures, refer to "About Time
Correction" (page 30).
1
After selecting TIME CORRECTION from the Sound
Field Adjustment mode, turn the Double Action
encoder to select the band adjustment, and then
press /ENTER.
2.2ch (3WAY) System
F-L (Initial setting) F-R
(Mid-L) (Mid-R)
SW-L SW-R
4.2ch (FRONT/REAR/SUBW.) System
F-L (Initial setting) F-R
(Front-L) (Front-R) (Rear-L)
SW-L SW-R
2
Press /ENTER to activate the Time Correction
input mode.
3
Turn the Double Action encoder to adjust the
distance (0.0 to 336.6cm).
L = (distance to farthest speaker) – (distance to other
speakers)
Refer to "Time Correction Value List" on page 31.
BAND4 BAND5
R-L R-R
(High-L ) (High-R)
F-L
(Mid-L)
R-L R-R
(Rear-R)
F-L
(Front-L)
27
-EN