Alpine INE-W970BT Owner's Manual download pdf (Page 38)

38-EN

01GB05INE-W970BT.fm

ALPINE INE-W970BT 68-25285Z06-A (EN)

Other Setting

[Other] is selected on the Sound setup menu in step 3. Refer to “Sound

Setup Operation” (page 34).

You can change the volume of the sound heard when a button is

touched.

Setting item: Volume Key Sound Feedback

Setting contents: 0 to 7 (Initial setting: 5)

Setting item:

Source Volume Setup Radio / DVD / CD /

Compress Media / iPod Music / iPod Video / AUX /

AUX3 / BLUETOOTH Audio

Setting contents: -14 to +14 (Initial setting: 0)

• Settable source differ depending on the connected device and

settings.

You can set the rear speaker output to “Off.”

Setting item: Rear Speaker

Setting contents: On (Initial setting) / Off

• Note that if you select “Off” when the Rear Speaker Position in Car

Specific Sound Setup is set to “Rear Deck” or “Rear Door/Panel,”

the setting in Car Specific Sound Setup will be cancelled.

If an optional subwoofer is connected to the unit, make the following

setting.

Setting item: Subwoofer

Setting contents: On / Off (Initial setting)

• Note that if you select “Off” when Subwoofer Installed in Car

Specific Sound Setup is set to “Yes,” the setting in Car Specific Sound

Setup will be cancelled.

Setting Defeat

[Defeat] is selected on the Sound setup menu in step 3. Refer to “Sound

Setup Operation” (page 34).

If Defeat is “On,” MX, Factory’s EQ and Parametric EQ functions are

turned OFF. This disables any settings made for these functions.

Setting item: Defeat

Setting content: Off (Initial setting) / On

About Time Correction

The distance between the listener and the speakers in a car vary widely

due to the complex speaker placement. This difference in the distances

from the speakers to the listener creates a shift in the sounds image and

frequency characteristics. This is caused by the time delay between the

sound reaching the listener’s right versus the left ear.

To correct this, this unit is able to delay the audio signal to the speakers

closest to the listener. This effectively creates a perception of increased

distance for those speakers. The listener can be placed at an equal

distance between the left and right speakers for optimum staging.

The adjustment will be made for each speaker in 3.4cm steps.

Adjust the time correction level of the front left speaker to a high value

and the rear right to zero or a low value.

The sound is not balanced because the distance between the

listening position and the various speakers is different.

The difference in distance between the front left speaker and the rear

right speaker is 1.75 m (68-7/8").

Here we calculate the time correction value for the front left speaker

in the diagram on the above.

Conditions:

Farthest Speaker – listening position : 2.25 m (88-9/16")

Front left speaker – listening position : 0.5 m (19-11/16")

Calculation: L = 2.25 m – 0.5 m = 1.75 m (68-7/8")

Time correction = 1.75 ÷ 343*

× 1000 = 5.1 (ms)

Speed of sound: 343 m/s (765 mph) at 20°C

In other words, giving the front left speaker a time correction value of

5.1 ms makes it seem as if its distance from the listener is the same

as the distance to the farthest speaker.

Time correction eliminates the differences in the time required for the

sound to reach the listening position.

The time of the front left speaker is corrected by 5.1 ms so that its

sound reaches the listening position at the same time as the sound of

other speakers.

Volume Setting

Setting the Volume for Each Source

Rear Speaker Setting

Turning Subwoofer ON/OFF

Example 1. Listening Position: Front Left Seat

5.1ms

2.25m

0.5m

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Alpine INE-W970BT Owner's Manual Page 38

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