Marantz SR8500 SR7500 User Manual - Page 24

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. 2 - 1 SPEAKER SETUP AUTO SETUP SPEAKER SETUP : AUTO SE T M I CROPHONE START CANCEL M I C SE TUP ERROR NG SPEAKERS CHECK : ✽✽ SPEAKERS LEVEL : ✽✽ SPEAKERS D I STANCE : ✽ ✽ SPEAKERS S I ZE : ✽✽ MA I N NEXT EX I T MA I N RE T URN NE X T E X I T AUTO SETUP START CANCEL SPEAKERS CHECK : ✽✽ SPEAKERS LEVEL : ✽✽ SPEAKERS D I STANCE : ✽ ✽ SPEAKERS S I ZE : ✽✽ MA I N RE T URN NE X T E X I T AUTO SETUP AUTO SETUP START CANCEL AMB I EN T NO I S E CHK SPEAKERS CHECK : ✽✽ SPEAKERS LEVEL : ✽✽ SPEAKERS D I STANCE : ✽ ✽ SPEAKERS S I ZE : ✽✽ START CANCEL AMB I NO I SE ERROR NG SPEAKERS CHECK : ✽✽ SPEAKERS LEVEL : ✽✽ SPEAKERS D I STANCE : ✽ ✽ SPEAKERS S I ZE : ✽✽ MA I N RE T URN NE X T E X I T MA I N RE T URN NE X T E X I T AUTO SETUP START CANCEL AMB I EN T NO I S E OK SPEAKERS CHECK : ✽✽ SPEAKERS LEVEL : ✽✽ SPEAKERS D I STANCE : ✽ ✽ SPEAKERS S I ZE : ✽✽ MA I N RE T URN NE X T E X I T AUTO SETUP AUTO SETUP START CANCEL N OW A N A L Y Z I N G SPEAKERS CHECK : ✽✽ SPEAKERS LEVEL : ✽✽ SPEAKERS D I STANCE : ✽ ✽ SPEAKERS S I ZE : ✽✽ START CANCEL SPEAKER SE T ERROR NG SPEAKERS CHECK : ✽✽ SPEAKERS LEVEL : ✽✽ SPEAKERS D I STANCE : ✽ ✽ SPEAKERS S I ZE : ✽✽ MA I N RE T URN NE X T E X I T MA I N RE T URN NE X T E X I T AUTO SETUP START CANCEL F I N I SHED SPEAKERS CHECK : OK SPEAKERS LEVEL : OK SPEAKERS D I S TANCE : OK SPEAKERS S I ZE : OK MA I N RE T URN NE X T E X I T 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. Microphone connection check: MIC CHECK Ambient noise measurement: AMBIENT NOISE Speaker connected/not connected check: SPEAKER CHECK Speaker output level check: SPEAKER LEVEL Distance from speaker (delay time) check: SPEAKER DISTANCE Speaker characteristics check: SPEAKER SIZE 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. AV SURROUND RECEIVER SR7500 INPUT SELECTOR DISP MULTI AUTO TUNED SLEEP AUTO SURR DIRECT ST SPKR A B V-OFF PEAK ATT DISC 6.1 MTX 6.1 NIGHT ANALOG DIGITAL AAC PCM SURROUND DIGITAL LCR LFE SL S SR VOLUME DOWN UP STANDBY POWER ON/STANDBY PHONES ENTER DIGITAL AUX 1 INPUT S-VIDEO VIDEO L AUDIO R 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 children. • 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 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 3. Either press the MRAC button on the front panel of the unit or select "2. SPEAKER SETUP" on the SETUP MAIN MENU, then select AUTO for "2-1 SPEAKER SETUP". Move the cursor to "NEXT" with the or cursor buttons and then press the ENTER button. 2 - 1 SPEAKER SETUP S P E AK E R S S E T U P : AUTO S E T M I CROPHONE MA I N NEXT EX I T 4. Select START on the AUTO SETUP display and press the ENTER button to start measurements. AUTO SETUP S TAR T CANCE L S PEAKERS CHECK : ✽✽ S PEAKERS LEVEL : ✽✽ S PEAKERS D I STANCE : ✽✽ S PEAKERS S I ZE : ✽✽ MA I N RE T URN NE X T E X I T 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 SPEAKER SETUP. 21 ENGLISH