User manual LEXICON MC-12 V4 EQ REV 0

[. . . ] MC-12 Controller Version 4 EQ User Guide 3 Oak Park Bedford, MA 01730-1413 USA Tel 781-280-0300 Fax 781-280-0490 www. lexicon. com Customer Service Telephone 781-280-0300 Sales Fax 781-280-0495 Service Fax 781-280-0499 email csupport@harmanspecialtygroup. com Product Shipments 16 Progress Road Billerica, MA 01821-5730 USA Manufactured under license from Dolby Laboratories. Dolby, Pro Logic, Surround EX, and the double-D symbol are trademarks of Dolby Laboratories. DTS, DTS-ES, Neo:6, and DTS 96/24 are trademarks of Digital Theater Systems, Inc. Lexicon, Logic 7 and the L7 logo are registered trademarks of Harman International Industries, Inc. [. . . ] Calibrates overall loudspeaker output levels within ±3. 0dB of THX reference levels (75. 0dB). Provides a comparison between original and calibrated loudspeaker output levels, allowing for selection of the desired output levels. 2-4 Version 4 EQ User Guide Configuring the MC-12 for V4 EQ Figure 2-1. Microphone input connectors on MC-12 rear panel. CONNECTING THE MICROPHONES Automatic calibration requires the microphones included in the Lexicon Microphone Kit, which is available at authorized Lexicon dealers. Performing automatic calibration with other microphones will produce unknown results. LFE 3 1 MICROPHONE INPUTS 2 3 TRIGGER OUTPUTS MAIN AUDIO O 4 CAUTION · The microphones included in the Lexicon Microphone Kit require careful handling. Dropping or otherwise physically abusing the microphones may cause errors during use or irreparable damage to the microphones. Read and observe the documentation included with the Lexicon Microphone Kit to ensure optimal microphone performance. Never make or break microphone input connections unless the MC-12 is powered off using the rear panel power switch or placed in standby mode using the front panel or remote control standby button. Connect the microphones included in the Lexicon Microphone Kit to the microphone input connectors on the MC-12 rear panel (shown in Figure 2-1). Make sure microphone cable plugs are fully inserted for solid connections. · Note: During the microphone check, the MC-12 refers to the microphones as 1, 2, 3, and 4 based on the microphone input connector to which the microphone is connected. Label the microphones for troubleshooting purposes. To connect the microphones: 1. Make sure the MC-12 is powered off using the rear panel power switch or placed in standby mode using the front panel or remote control standby button. 3. Power on the MC-12 or take the MC-12 out of standby mode. 2-5 Configuring the MC-12 for V4 EQ POSITIONING THE MICROPHONES FOR THE MICROPHONE CHECK Lexicon MC-12 Controller Proper microphone placement is essential to achieve the desired automatic calibration results. Refer to the microphone placement examples that begin below to properly position the microphones for the microphone check. PROPER Figure 2-2. Proper microphone placement for the microphone check. The microphones SHOULD be positioned: Rear Left as close together as possible relatively centered between and equidistant from the front left and right loudspeakers in a clear line-of-sight path with the loudspeakers in a location unobstructed by furniture and other fixtures in a location where echoes will not obscure calibration noise signals at least 2 feet (0. 61m) from all loudspeakers and walls within 30 feet (9. 14m) of all loudspeakers Side Left Rear Right Front Left Microphone Side Right Center Subwoofer Front Right The listening room to the left shows proper microphone placement for the microphone check. The microphones are clustered in an unobstructed location that is relatively centered between and equidistant from the front left and right loudspeakers. 2-6 Version 4 EQ User Guide Configuring the MC-12 for V4 EQ IMPROPER Figure 2-3. Improper microphone placement for the microphone check. The microphones SHOULD NOT be positioned: Rear Left Side Left in separate locations in locations scattered throughout the listening room in an obstructed line-of-sight path with the loudspeakers in a location obstructed by furniture and other fixtures within 2 feet (0. 61m) of loudspeakers and walls more than 30 feet (9. 14m) from any one loudspeaker Rear Right Front Left Microphone Side Right Center Subwoofer Front The listening room to the left shows improper microphone placement for the microphone check. The microphones are scattered throughout the listening room in locations that are neither centered between nor equidistant from the front left and right loudspeakers. In addition, the microphones are positioned in obstructed locations on the floor and on seat cushions. 2-7 Configuring the MC-12 for V4 EQ PERFORMING THE MICROPHONE CHECK MAIN MENU MODE ADJUST AUDIO CONTROLS SETUP SETUP INPUTS SPEAKERS REAR PANEL CONFIG DISPLAYS VOLUME CONTROLS TRIGGERS LOCK OPTIONS SPEAKER SETUP SET CROSSOVERS CHECK MICROPHONES AUTOMATIC MANUAL SET CROSSOVERS BEFORE CALIBRATING CHECK MICROPHONES GROUP MICROPHONES INTO A BUNDLE IN THE MIDDLE OF THE ROOM PRESS V TO BEGIN MIC CHECK CHECK MICROPHONES CHECKING FOR SILENCE PLEASE WAIT Lexicon MC-12 Controller CHECK MICROPHONES CHECKING MICROPHONES PLEASE WAIT 1. Press the and arrow buttons to highlight the CHECK MICROPHONES procedure. The CHECK MICROPHONES screen (shown above) opens on the on-screen display, emphasizing the importance of proper microphone placement to achieve the desired automatic calibration results. Refer to Positioning the Microphones for the Microphone Check (page 2-6) to ensure that the microphones are properly positioned for the microphone check. The CHECKING FOR SILENCE message (shown above) appears on the on-screen display while the MC-12 determines the relative noise level of the listening room and the internal noise level of the microphones. [. . . ] The SPEAKER DISTANCES menu (MAIN MENU SETUP SPEAKERS MANUAL) can be used to manually adjust loudspeaker distances. The SPEAKER LEVEL ADJUST menu can be used to manually adjust loudspeaker output levels. Refer to the MC-12 User When finished viewing results, press the arrow button to return to the SPEAKER SETUP menu. The SPEAKER DISTANCES menu (MAIN MENU SETUP SPEAKERS MANUAL) can be used to manually adjust loudspeaker distances. [. . . ]