Bedienungsanleitung Alpine IVA-W202R (Seite 44 von 80) (Englisch)

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01GB06IVAW205R.fm

ALPINE IVA-W205R 68-08564Z42-A (EN)

X-OVER Adjustment

Check that Defeat mode is off.

Touch [SETUP] on the main source screen.

The SETUP selection screen appears.

Touch [AUDIO].

The AUDIO SETUP screen will appear.

Touch [] of A.PROC.

The A.PROCESSOR list screen appears.

Touch [] or [] of X-OVER to select L/R or L+R.

Touch [] of X-OVER.

A speaker list on the X-OVER screen is displayed.

Touch [] of the speaker to be adjusted.

The screen changes to the X-OVER screen to be adjusted.

Adjust the crossover to your preference.

Selecting the Cut-Off Frequency

Touch [] or [] of FREQ. then select the cut-off frequency

(crossover point).

The adjustable bandwidth differs depending on the speaker

(channel).

Adjusting the Level

Touch [] or [] of LEVEL, then adjust the HPF or LPF level.

Adjusting the Slope

Touch [] or [] of SLOPE, then adjust the HPF or LPF

slope.

Touch [RETURN] to return to the previous screen.

• When the speaker is set to the “OFF” mode, the X-OVER for that

speaker cannot be set. Refer to “Setting the Speakers” (page 42).

• Check the playback frequencies of the connected speakers before

adjusting.

• In order to protect the speakers, there is no OFF setting for the

subwoofer low pass filter (the slope remains the same).

• The HPF cannot be set SLOPE to OFF if Tweeter (TW) is selected

for FRONT1. Or, only the subwoofer is adjustable if STEREO is

selected for the subwoofer.

Performing Time Correction Manually

(TCR)

Because of the particular conditions inside the vehicle, there can be

major differences in the distances between the various speakers and the

listening position. It is possible to calculate the optimum correction

values and eliminate the time error at the listening position yourself

using this function.

Check that Defeat mode is off.

Sit in the listening position (the driver’s seat, for

example) and measure the distance (in meters)

between your head and the various speakers.

Calculate the difference in distance between the

farthest speaker and the other speakers.

Divide the distances calculated for the different

speakers by the speed of sound (343 m/s

temperature 20°C).

This value is the time correction value for the various

speakers.

Concrete examples

Calculating the time correction value for the front left speaker on

the diagram below.

In other words, setting the time correction value for the front left

speaker to 5.1 (ms) sets a virtual distance matching the

distance to the farthest speaker.

L/R: Different adjustment values can be set for the left and

right channels.

L+R: Sets the same adjustment values for the left and right

channels.

L = (distance of farthest speaker)

– (distance of other speakers)

Conditions:

Distance between farthest speaker and listening position:

2.25 m (88-3/4")

Distance between front left speaker and listening position:

0.5 m (20")

Calculation:

L = 2.25 m (88-3/4") – 0.5 m (20")= 1.75 m (68-3/4")

Compensation time = 1.75 ÷ 343 x 1000 = 5.1 (ms)

68-08564Z42-A_F.book Page 43 Wednesday, January 24, 2007 2:26 PM

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Alpine IVA-W202R Seite 44

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