ASC Auto Sound Calibration Setting, Test Tone

Setup

Ideal Centre

Speaker placement

Ideal Rear

Speaker placement

It is desirable to place all speakers within this circle.

Df: The distance from Front Speaker

Dc: The distance from Centre Speaker

Dr: The distance from Rear Speaker

Setting the Centre Speaker

If the distance of Dc is equal to or longer than the distance of Df in the ﬁgure, set the mode as 0ms. Otherwise, change the setting according to the table.

Distance	0.00m	0.34m	0.68m	1.06m	1.40m	1.76m
between	0.00m	0.34m	0.68m	1.06m	1.40m	1.76m
Df and Dc

Delay	00 ms	01 ms	02 ms	03 ms	04 ms	05 ms
Time	00 ms	01 ms	02 ms	03 ms	04 ms	05 ms
Time

Test Tone

Settings
Speaker Setting
Speaker Size
Sound Edit
Delay Time
Test Tone	: On	►
Select		Return
Move	Select	Return

Use the Test Tone feature to check the speaker connections.

•Press the ◄► buttons to select On.

•The test tone will be sent to Front Left ➞ Center

➞ Front Right ➞ Rear Right ➞ Rear Left ➞ Subwoofer in order.

To stop the test tone, press the ENTER button.

ASC (Auto Sound Calibration) Setting

By setting the Auto Sound Calibration(ASC) function just once when you relocate or install the product, you can have the product automatically recognize the distance between speakers, levels between channels, and frequency characteristics to create a 5.1-channel sound ﬁeld optimized for your environment.

Setting the Rear Speaker

If the distance of Dc is equal to or longer than the

distance of Dr in the ﬁgure, set the mode as 0ms.AUX IN 1/

ASC IN

Otherwise, change the setting according to the table.

Distance	0.00m	1.06m	2.11m	3.16m	3.62m	5.29m
between
Dr and Dc						ASC

Delay						Microphone
	00 ms	03 ms	06 ms	09 ms	12 ms	15 ms
Time

✎NOTE

With PL II (Dolby Pro Logic II), the delay time may be different for each mode.

With AC-3 and DTS, the delay time can be set between 00 and 15mSEC.

The Centre channel is only adjustable on 5.1 channel discs.

L: Front Speaker (L)	SW: Subwoofer
R: Front Speaker (R)	SL: Rear Speaker (L)
C: Centre Speaker	SR: Rear Speaker (R)

28 English

HT-C550-ELS_ENG-0607.indd 28

2010-06-07 10:55:19

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