Marantz SR4003 English, MRAC Marantz Room Acoustic Calibration, Measurement, Names And Functions

MRAC (Marantz Room Acoustic Calibration)

Speaker settings that were difficult by MANUAL setup can now be made by automatically measuring speaker characteristics using the including microphone.

Measurement

During measurement, a test tone is output from the speakers, which is then measured and analyzed though the microphone. The measurement flow and items are as follows.

ENGLISH

• Step away from the listening position during

measurement and operate the unit with the remote

controller from outside the speaker path.

• About surround back speakers :

When the surround back speaker is set to NONE in

NAMES AND FUNCTIONS

2-1 SPEAKER SETUP

SPEAKER SETUP : AUTO

SET MICROPHONE

MAIN		NEXT	EXIT
	AUTO SETUP
	START	CANCEL
SPEAKERS CHECK			:
SPEAKERS LEVEL			:
SPEAKERS DISTANCE			:
SPEAKERS SIZE			:

MAIN	RETURN			EXIT
	AUTO SETUP
	START		CANCEL
	AMBIENT NOISE			CHK
SPEAKERS		CHECK		:
SPEAKERS		LEVEL		:
SPEAKERS		DISTANCE		:
SPEAKERS		SIZE		:
MAIN	RETURN			EXIT
	AUTO SETUP
	START		CANCEL
	AMBIENT NOISE			OK
	&&&&&&&&&&&&&&&&
SPEAKERS		CHECK		:
SPEAKERS		LEVEL		:
SPEAKERS		DISTANCE		:
SPEAKERS		SIZE		:
MAIN	RETURN			EXIT
	AUTO SETUP
	START		CANCEL
	NOW	ANALYZING
>&&&&&&&&&&&&&&&&
SPEAKERS		CHECK		:
SPEAKERS		LEVEL		:
SPEAKERS		DISTANCE		:
SPEAKERS		SIZE		:
MAIN	RETURN			EXIT
	AUTO SETUP
	START		CANCEL
	FINISHED
SPEAKERS		CHECK		: OK
SPEAKERS		LEVEL		: OK
SPEAKERS		DISTANCE		: OK
SPEAKERS		SIZE		: OK

NG

NG

NG

AUTO SETUP
START			CANCEL
MIC		SETUP ERROR
SPEAKERS		CHECK		:
SPEAKERS		LEVEL		:
SPEAKERS		DISTANCE		:
SPEAKERS		SIZE		:
MAIN	RETURN		NEXT	EXIT

	AUTO SETUP
	START	CANCEL
	AMBI NOISE ERROR
SPEAKERS CHECK			:
SPEAKERS LEVEL			:
SPEAKERS DISTANCE			:
SPEAKERS SIZE			:
MAIN RETURN		NEXT	EXIT

	AUTO SETUP
	START	CANCEL
SPEAKER SET ERROR
SPEAKERS CHECK			:
SPEAKERS LEVEL			:
SPEAKERS DISTANCE			:
SPEAKERS SIZE			:
MAIN RETURN		NEXT	EXIT

Display	Status
MIC CHECK	Microphone connection check
AMBIENT NOISE	Ambient noise measurement
SPEAKER CHECK	Speaker connected/not
	connected check
SPEAKER LEVEL	Speaker output level check
SPEAKER DISTANCE	Distance from speaker
	(delay time) check
SPEAKER SIZE	Speaker characteristics check

How to Operate

Settings are displayed on the monitor during setup, therefore turn the monitor on.

1. Connect the included microphone to the MRAC jack of the unit.

2. Set the microphone at ear height as in the actual listening position. Use a stand or tripod to position the microphone.

Notes:

• Remove any obstructions between the speakers and

the microphone.

• Keep the room quiet during measurement.

• The test tone emitted during measurement is loud.

Take considerations for neighboring homes and

the SPEAKER SETUP, it is skipped in the AUTO

setup. To use the surround back speaker, set it to

YES by MANUAL setup before using the MRAC

feature.

• The MRAC feature is available except in the

following modes.

- 7.1 CH INPUT

- PURE-DIRECT

- SOURCE DIRECT

3. Select “2. SPEAKER SETUP” on the SETUP

MAIN MENU, then select AUTO for “2-

1 SPEAKER SETUP”. Move the cursor to

“NEXT” with the 3 or 4 cursor buttons and then

press the ENTER button.

2-1 SPEAKER SETUP

SPEAKER SETUP : AUTO

SET MICROPHONE

MAIN NEXT EXIT

4. Select START on the AUTO SETUP display and press the ENTER button to start measurements.

	AUTO SETUP
	START	CANCEL
SPEAKERS CHECK			:
SPEAKERS LEVEL			:
SPEAKERS DISTANCE			:
SPEAKERS SIZE			:
MAIN RETURN		NEXT	EXIT

5. For measurement items, see “Measurement”.

6. When measurements are completed, “FINISHED” appears on the monitor.

7. Once finished, disconnect the microphone from the unit.

8. Measurement results can be seen by selecting “NEXT” and press the ENTER button or selecting “2. SPEAKER SETUP” on the SETUP MAIN MENU. Then select MANUAL for “2-1

BASIC	CONNECTIONS
BASIC OPERATION
ADVANCED	CONNECTIONS
SETUP
ADVANCED	OPERATION
TROUBLESHOOTING
OTHERS

MAIN RETURN NEXT EXIT

children.

SPEAKER SETUP”.

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