Surround Modes, Test Mode and Level Adjustments

8 Surround Modes

Dolby Pro Logic

Use this mode for films recorded using Dolby Surround. The surround channels have a

20-ms delay.

Hall/Concert

These modes create surround sound from stereo recordings. The center channel is not used and the surround channels have

a20-ms delay. Repeated pressing and releasing of the button provides access to these two modes.

	VOLUME	CTR/REAR	TREBLE	BASS
	VOLUME	LEVEL
		LEVEL			BASS
	+	+	+	+	BASS
	+	+	+	+	BOOST
					FRONT
					LEFT
	–	–	–	–
POWER	INPUT	PRO LOGIC	6-CHANNEL HALL/CONCERT		STEREO
			DIGITAL DIRECT

Stereo

This mode plays two-channel recordings through the front left and right speakers.

6-Channel Direct Digital

If you have a DVD player or surround processor with a built-in Dolby Digital or DTS processor, this mode will provide the best quality surround-sound presentation.

CENTER

FRONT

BALANCE RIGHT

REAR L/REAR R

ESC230 Surround Processor/Amplifier

6-CHANNEL DIGITAL DIRECT INPUTS

MUTEPOWER

BASS

TEST BOOST INPUT

HALL/CON. 6-CH STEREO

PRO LOGIC

–VOLUME +

CTR / REAR LEVEL

+	+
BASS	TREBLE
–	–
	CENTER
F/L	F/R
LEVEL UP	LEVEL UP
	REAR LEFT /
	REAR RIGHT
	ESC230
	®

9Test Mode and Level Adjustments

Test Tone

The test tone is used to calibrate the level settings of the speakers. A static noise will be heard cycling, in order, from the front left, center, right and both surround speakers. Using the remote control, adjust the Center and Surround levels until the volume of all the speakers is the same during the test. The test tone is used to calibrate the performance of the system. When listening to an actual recording, the volume level of the surround channels is generally much lower than that of the front channels. In fact, when listening to a movie, virtually all of the dialogue and a substantial number of effects are reproduced through the center channel.

MUTE		POWER
	BASS
TEST	BOOST	INPUT
HALL/CON.	6-CH	STEREO
Step 1	PRO LOGIC

TEST

–VOLUME +

CTR / REAR LEVEL
+		+
BASS	TREBLE	Step 2
–		–

CENTER

CTR / REAR LEVEL

F/L	F/R
LEVEL UP	LEVEL UP

REAR LEFT /

REAR RIGHT

Dolby Pro Logic, Hall and Concert Modes

1.Push the Test button on the remote control.

2.When the test tone is heard from the center speaker, push the + or – Ctr/Rear Level button to match the volume of the center channel to the front left and right channels.

3.When the test tone is heard from the surround speakers, push the + or – Ctr/Rear Level button to match the volume of the rear channels to the front.

6-Channel Input

1.Push the Test button on the remote control. The test tone will cycle through all channels.

2.When the test tone is heard from the center speaker, push the + or – Ctr/Rear Level button to match the volume of the center channel to the front left and right channels.

3.When the test tone is heard from one of the surround speakers, push the + or – Ctr/Rear Level button to match the volume of that surround speaker to the front, left and right channels.

4.Repeat step (3) when the test tone is heard from the other surround speaker.

Please note that the 6-channel direct input mode has its own level settings that are independent of the other modes.

ESC230

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JBL 120V setup guide Surround Modes, Test Mode and Level Adjustments

Models: 120V