EQLimit USER`S MANUAL
Contents
1. ist Last 20 days History Download Download Last day Day Month Year From 7 Dec ww 2013 8 k Dec k 2013 Print Day Month From 18 wi Nov n Dec Data Download 08 Dec 2013 1 2 3 4 5 6 7 8 Levels Levels Session Start Levels Session End Levels Levels Setup Levels Session Start Levels Levels Levels Levels Levels Levels Levels Levels Levels Session End Levels Levels Levels Levels 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 08 Dec 2013 8 c5 5 5 8 c ooo 8 G O B c5 85 5 a c a a oos ce 85 5 5 a c ce 8 C Mi F 8 85 5 5 a c c l c oo gt a a c E E 8 E E 8 E E E C Ci cy C Cy C 8 a LI LI LI LI 1 C8 Dh 6C a coc 5 5 cC cC E d o H A E A Ri G P Ri p 8 B c5 5 5 a c5 0 8 DO The registered records are the next Sound me2. gt 5 EQ Limit USER S MANUAL Version 1 13 July 2014 www mrcaudio com SECURITY ADVICE m MN The sign inside a triangle indicates the existence of high voltage that may affect safety Category device All sockets are isolated from mains Always use the earth lead in mains cord Keep these instructions Heed all warnings Follow all instructions Do not expose this device to rain or moisture Do not use this apparatus near water for example swimming pool fountain Do not place any objects containing liquids such as bottles or glasses on the top of the unit Do not splash liquids on the unit e Clean only with a dry cloth Do not use any solvent based cleaners e Do not install near any heat sources such as radiators heat fans stoves or other apparatus that produce heat e Unplug this apparatus during lightning storms earthquakes or when unused for long periods of time e No user serviceable parts inside Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped e REDUCE THE RISK OF FIRE REPLACE THE MAINS FUSE ONLY WITH A FUSE THAT CONFORMS TO IEC127 2 250 VOLTS WORKING TIME DELAY TYPE AND BODY SIZE OF 20mm x 5mm T
3. 10 LAN Optional Ethernet connector for an ADSL router 11 MODEM POWER FEED Jack connector to feed the optional external GPRS modem with selectable 5 or 15Vdc by means of internal jumper with LED indication of the selected voltage 12 XLR OUT Output balanced connectors for channels left and right 13 AUX Level control for the external fire evacuation message 14 XLR IN Input balanced connectors for channels left and right 15 MIC1 2 Input balanced connectors for main microphone 1 and optional registering microphone 2 MRC AUDIO EQLimit T PRE MUTE GAIN REDUCTION PEAK ALARM OFF TIME SPECIAL DISPLAY 12 Fig 2 MRC AUDIO EQLimit 14 15 INSTALLATION DISPLAY MODEM TeV fo ol mrs SOO gt OCO MIXER O CH CH Il SIGNAL CLIP PROTECT THERMAL NEZ NS Z O O 10 GO WY POWER AMPLIFIER FIG 3 A MICROPHONE MRC AUDIO EQLimit This unit has been carefully packed at the factory inside a specially designed case Nevertheless we recommend you supervise the state of the box and its contents Please do keep all the packaging items in case the unit shou
4. A1 2001 EN 61000 4 11 1994 A1 2001 Representante Representative EDURNE GASTA AGA AURRECOECHEA CIF 50824484G Direcci n Manufacturer s address CAVANILLES 50 5 A C P 28007 MADRID ESPA A Tipo de equipo Type of equipment CONTROLADOR DE PRESI N SONORA EN BANDAS DE 1 3 OCTAVA 1 3 Octave Bands filtered SPL Controller Marca Trade MRC AUDIO Modelo Model EQLimit Nosotros los abajo firmantes declaramos que el equipo antes especificado cumple con las Directivas y Normas mencionadas We the undersigned hereby declare that equipment specified above conforms to the Directives and Standards mentioned Lugar Place Espa a Fecha Date 5 de Noviembre de 2013 onza 7 Firma Signature Edurne GASTA AGA AURRECOECHEA Nombre Full name GENERAL MANAGER Cargo Position AUDIO EQLimit 49
5. DISCLAIMER MRC Audio limiters S L is not responsible for the economic sanctions or any other measures that could fall on the activity for improper use of its products or when the installation or and configuration does not conform to the procedure described by the manufacturer in the corresponding user manual COSTUMER SERIAL N DATE OF PURCHASE SOLD BY Technical MRC AUDIO Cavanilles 50 28007 MADRID Tfno 34 915 529 138 Service Fax 34 915 018 399 info mrcaudio com Please contact our Technical Service prior to sending the equipment for repair MRC AUDIO EQLimit 45 REMOTE DISPLAY 10 The remote display is provided optionally EQlimit can works without it It has four high efficiency red 20mm high digits for a comfortable reading of the sound level A row of eight LEDs at the top show the dynamic attenuation applied by the limiter peaks at the input signal and the presence of alarms The three 10mm LEDs to the left of the four digits show the state of the limiting system GREEN when a signal is present at the input and the output is below the limiting threshold YELLOW when the output signal reaches or is over the limiting threshold and therefore the limiter is applying attenuation correspondingly RED when the limiter is turning on or when the output signal is cut off because of any alarm or due to the time of the day being beyond the working time configured in the levels window 515 2017 30 40 AUDIO ALA
6. e Power supply Universal switched 90 250 VAC 40 60 Hz lt 30 watts e Environment From 10 to 50 C Humidity Max 90 MRC AUDIO reserves the right to modify these equipment s specifications without prior notice MRC AUDIO EQLimit 44 WARRANTY 9 MRC Audio Limitadores S L warrants the EQLimit SPL Controller Limiter to conform substantially to the specifications of this manual for a period of TWO YEARS from the original date of purchase when used in accordance with the specifications detailed in this manual The warranty covers all defects in workmanship and materials except for e Damage or deterioration resulting from installation and or removal of the unit e Damage from accident misuse abuse or unauthorized product modification e Damage resulting from repair or attempted repair by anyone not authorized by MRC Audio e Damaged occurring from shipping claims must be presented to the carrier In the case of a valid warranty claim MRC AUDIO repair or replace the parts without charge This warranty is not transferable It applies only to the original purchaser of the product For warranty service please call your local MRC AUDIO dealer Then ship the defective product with transportation and insurance charges pre paid to below address Enclose your name address email copy of the original sales invoice and a detailed description of the problem MRC AUDIO will not accept responsibility for loss or damage during transit
7. S K 137 The lower row is the inmision group of data the middle row is the isolation group of data The upper row is the sum of the two and is the resulting limiting value The immision is the maximum sound level that can be induced to the neighbour houses This level is either global or per bands depends on local regulations The Isolation is the amount of sound isolation existing between the house and the worst case neighbour The upper line is not editable because it is the resulting limiting level calculated by the sum of Inmision and isolation To the right of the Lim row the upper row there is a numerical box where you can set the max allowed global limit To the right of the isolation and inmision rows there is a group of boxes an buttons that aid in the fulfilment of the column boxes either with a Global value distributed equally throughout the bands or with a value resulting from the choice of a normalized STC or NC curve for isolation and for immision respectively Or even manually you can edit he desired value The latest pulsed button either Global or STC and either Global or NC will change to blue colour indicating if the levels in the matrix s boxes correspond to a global value or to a normalized value AUDIO EQLimit 32 After adjusting of the limiting levels per bands we get a resulting global li
8. and time can be adjusted manually before clicking on the Adjust button If daylight saving leap hour is desired check the Daylight saving box and adjust the date and hour of the hour change before clicking on the Adjust button Change Password An attempt to change any configuration parameters in the limiter will lead the SCL application to ask for the limiter password before changes are made The default password is 1234 To avoid unauthorised access to the limiter we recommend changing the default password The password can be alphanumeric of up to 10 characters Type in the new password in the New password box and click the OK button The limiter will ask for the old password before permitting a password change Once the correct password is given the EQlimit limiter will not ask for it again unless a 5 minute elapse time occurs between two successive parameter changes MRC AUDIO EQLimit 21 Master Password If you forget your password MRC Audio can provide a master password active only for that single unit as a function of the limiter serial number and is active only once For MRC Audio to be able to provide a master password you must provide MRC Audio the serial number of the unit and the number that appears in the CMs box Introducing a master password is registered in the limiter s non volatile memory as an event together with the date and time as all other events and together with the authorised user that has entered the master
9. and still the user keeps on forgetting the password the limiter will have to be serviced at MRC Audio to restore ten new master passwords MRC AUDIO EQLimit 12 INITIAL WINDOW 6 Clicking on the Icon created on the desktop at software installation time the initial window appears where you can choose the user s language through its corresponding flag EQLimit SCL v1 10 WWW _ mrcaudio com Once clicked on the language flag the rest of buttons change to the language chosen MRC AUDIO EQLimit 13 USER S DATA This button takes us to the next screen where it is possible to fill in the software s user data and the license provided by the manufacturer In the User field fill in exactly the user name provided by the manufacturer This name will identify you when accessing any EQlimit In the License field type in the license number provided by MRC Audio this field is case sensitive Please fill in all fields including the logo of your company as this data will appear at the headings of the reports Click on the Save Data button and then on the Activate button and the software will be ready to use If the Remember me in this PC box is checked the application remembers your license number not needing to type itin each time the application islaunched But remember that anybody using this PC will also not need to type in any license number at launching and therefore anybody can make changes to limiters in you
10. button This process is guided by 4 LEDs and emerging advice windows The permitted maximum level is shown in the Limit dB box and the applied attenuation is shown by the 4 level LEDs and the numeric box to the right The vertical level bars show the real time levels for the different channels and these can be seen with a fast or slow integration chosen by the Display box MRC AUDIO EQLimit 26 7 4 1 Calibration process Before executing the calibration process it is necessary to configure the global limiting level as described in previous chapters lt is also necessary that the sound system the limiter and its sensing microphone must be microphone 1 for calibration are installed at their final locations The first step is to verify that the microphone level shown at the SCL application is the same as the level shown by a certified sound level meter to compensate for the variations introduced by different factors like the distance to the speakers the sensing microphone s proximity to the ceiling or walls the effects of the sensing microphone s protecting box etc To do so first select the measuring filter and the measure mode to be equal at both limiter and sound meter click on the Noise pink button to switch on the pink noise generator and have pink noise sound in the house and adjust the microphone 1 gain G MIC 1 slider until both limiter and sound meter measure the same level Once adjusted microphone 1 s gain click on the N
11. file mrb with the entire current database to reinstall in a different PC or for after a total formatting of the disk Clicking on this button an emerging window appears inviting to create or to restore a database BackUp Create BackUp Restore BackUp Click on any of both an OS window appears to select the name and location of the file to create or to find the file to restore UPDATE This button is used to update a connected limiter s firmware to the latest provided by MRC Audio It is mandatory to connect to a limiter in the installations window using the connect button Once connected as shown by an emerging window and the log window EXIT the connect window MRC AUDIO EQLimit 16 going back to the initial window Click on the Update button to show the emerging window to proceed or to cancel the action Click on the button YES to open an OS window to look for the update bin file inside the PC Warning Are you really sure NOTICE the update action is of your entire responsibility It takes a time to transfer the update file to the limiter in this time the limiter must not be disconnected from the PC If the action fails for any reason the limiter will have to go back to the manufacturer in order to burn the entire firmware into the limiter s microprocessor PROGRAMMING m After connecting the corresponding USB cable between the PC and the limiter in the Installations window click
12. on the Connect button and wait while the SCL finds the limiter The log window shows the connecting process Setup downloaded you can proceed to edit the limiter Opening COM1 COM1 Does not exist in this hardware Opening COM2 COM2 Does not exist in this hardware Opening COM3 COM3 Does not exist in this hardware Opening COMA Port COM4 Open Limiter n E100130009 Ver 01 00 connected to 18 Aug 2013 19 24 05 d Once the limiter is found and connected an emerging window notifies this condition and shows some data for the connected EQlimit MRC AUDIO EQLimit 17 s Installations Data Base Serial number Last conexion date Last conexion time 1 E1234 08 12 2013 12 22 Prueba MRC E100130014 05 12 2013 10 40 3 E100130003 11 10 2013 19 10 4 E100130017 13 11 2013 Conexion Log To finalize the connecting process click on the OK button on the emerging window The Disconnected red LED changes to Connected and colour green and he Connect button changes to Disconnect as clicking on this button again disconnects the limiter from the SCL application A button Edit Limiter appears under the Disconnect button This button is initially dimmed while the limiter s configuration data is downloaded to the PC Also the log window notifies that the configuration is being downloaded Cone Opening COM1 COM1 Does not exst in this hardware n Opening COM2 COM2 Does not exist in this har
13. the Preference tab its corresponding configuration windows and boxes do not appear The adjustable parameters for each type of alarm are Seconds the persistence time in seconds to consider an alarm condition Margin the sound level margin with respect to the limiting level in the SPL alarm or with respect to the Line Out level in the Efi alarm which must be surpassed in the SPL alarm or under passed in the Efi alarm to start counting the persistence time Record if checked the alarm is recorded in the events memory Mute if checked the corresponding alarm causes a mute in the sound system during the time typed into the Mute time box Output Pin if checked the EQlimit limiter activates a pin in the AUX connector located at the back panel of the limiter This pin is a two state output 5 volts or 0 volts And the active level either 5 volts or 0 volts can be chosen with the Output pin Active level switch This is if the switch is at its Off position the output pin at the AUX connector will normally be at the 5 volts level when the alarm occurs the level at the AUX output pin changes to 0 volts On the contrary if the switch is at its On position the AUX output pin is normally at the 0 volts level and changes to 5 volts when the alarm occurs Adjust date time Click on the PC button to read the date and time from the PC and click on the Adjust button to transfer this date and time to the limiter Alternatively the date
14. this time the limiter is automatically adjusting the Line out gain to match the microphone 1 level e Once matched the Balancing Levels LED stops flashing and the OK Choose Limiting Signal LED starts flashing e Atthis time choose the limiting signal microphone 1 or Line Out by clicking on either the Limiting Signal MIC1 box or L OUT box located just underneath the meter bars e Once chosen the OK Choose Limiting Signal LED stops flashing and the Calibrating Bands LED starts flashing The limiter registers the frequency band levels for later comparison this takes around 30 seconds e Once the bands are registered all LEDs stop flashing and the pink noise is switched off This automatic adjustment is an approximation due to spectral differences between both signals compared microphone and line therefore a manual fine adjustment of the Line Out gain may be needed Do adjust the Line G FINE slider control if necessary MRC AUDIO EQLimit 27 This calibration permits the limiter to limit through either microphone 1 signal or Line Out signal It also permits to detect manipulation on the sensing microphone 1 and generate the corresponding Efi alarm if activated at the Limiter Adjust tab as described in previous chapters The difference between microphone 1 s level and the Line Out level is due to either changing the sensing microphone s location covering it with sound isolating material or because parallel sound systems out of the contr
15. 8 6 C ie co ie i i 0 57 c5 c5 52 c5 c5 c i ii i 8 a 5 FF 5 m B B B BR B BH B Co C Ch Ch CH Ch a c5 c5 5 c5 5 c HL m Goss E Es Po Pi Ls B3 Mi PRO EC E E F F E m m li e OOO oA ch ch amp 8 a Co co Ia a c cra co Cy Aa c A p E A D F E s G soe oe C AUDIO EQLimit 36 In the events window each line is a single event and the data shown per event is ITEM the number of the downloaded event starting at 1 Event the type of event Date the date in which the event was recorded Time the time in which the event was recorded the limiting level or permitted maximum level in dB at the date and time of recording Mic 1 the instantaneous 5 seconds integration microphone 1 level in dB Leq1 microphone 15 Leq level L90 1 microphone 1 s 90 percentile level 10 1 microphone 1 s 10 percentile level Lin instantaneous 5 seconds integration line in level in dB Louy instantaneous 5 seconds integration line out level in dB Leq Lo Line Out s Leg level in dB Attn amount of attenuation in dB applied at
16. HE MAINS INPUT FUSE MUST BE RATED AT 230V T 3 15A L and 115V T 6 3AL MRC AUDIO EQLimit 2 CONTENTS A Chap Page 1 Security Advice 2 2 Contents 3 3 Introduction 4 5 Block diagram 6 4 Description 7 Drawings 8 5 Installation 9 5 1 Connections 10 5 2 SCL software installation 11 5 3 Limiter Password 11 5 4 Master Password 12 6 Initial Window 13 User S Data 14 Installations 15 User s manual 16 Backup 16 Update 16 7 Programming 17 Configuration tabs 7 1 Installation File 19 7 2 Limiter adjust 20 7 3 Levels and Timetable 24 25 7 4 Limiter 26 7 4 1 Calibration process 27 28 7 5 Display 29 7 6 Isolation 30 31 32 7 7 Records 33 7 8 Events 34 35 36 37 38 7 9 Graphs 39 40 7 10 Preferences 41 42 43 8 Technical characteristics 44 9 Warranty 45 10 Remote Display 46 11 Certification 47 12 Declaration of Conformity 48 MRC AUDIO EQLimit 3 INTRODUCTION 3 Thank you for using the Limiter Controller AUDIO EQLimit the most complete system for controlling the sound emission in public leisure establishments This equipment adjusts the sound emission in a musical system acting softly on the audio signal what warranties that the sound level inside the house does not exceed the maximum avoiding in this way infringing the corresponding local rules and ensures a perfect coexistence with possibly affected neighbours Specific and calibrated microphones are used in this equipment to detect the sound press
17. MIC2 gt FILTER m BAND COMMS FILTERS MRC AUDIO EQLimit DESCRIPTION 4 The next text refers to fig 2 that shows the indicators and necessary connexions for a proper use of EQlimit 1 1 9 NOISE The limiter has an internal pink noise generator that leads to a more comfortable adjusting of the installation When clicking on the buttons NOISE or CAL the signal of this generator is mixed with the audio inputs Also this yellow LED starts to blink AUDIO LEVEL Three LEDs show the state of the sound level Green shows presence of normal signal Yellow shows the audio level is above the permitted maximum and Red shows the limiter has shut off sound LIMITING LEDs LEDs that show the amount of dynamic attenuation applied o the input signal and input peak STATUS LEDs LEDs that show the states of alarm off time and special period active USB USB connector for a direct connexion to a PC MAINS INPUT Normalized IEC power input connector with Earth connection and input fuse The protecting fuse must always be substituted by one of the same type T 3 15A 250V Universal power supply 90 to 250VAC DISPLAY Connector for the remote display AUX Auxiliary connections to drive an optional relay box to control external equipment and fire alarm input to activate the priority of an external fire evacuation message or level reduction MODEM RS232 connector for the external optional GPRS modem
18. RM At switch on the remote display reproduces a verifying sequence showing a count down from 9 to 0 at the four digits and lighting up allthe LEDs Atthe end of the countdown it starts displaying the sound level and the LEDs show the state of the limiter Other messages displayed are If at a time of the day outside the working time configured in the Levels window the remote display shows the actual time of the day and the message StOP alternatively the actual date and time are inside a special period the remote display shows the message SPEC and the sound level alternatively Jjfthere is a situation of alarm the remote display shows the message ALAr and the sound level alternatively Ifthe sound level measured by the microphone is under the configured minimum level for registering level events as described in previous chapters the remote display shows the message Und AUDIO EQLimit 46 CERTIFICATION WIRELESS CERTIFICADO DE ENSAYO TEST CERTIFICATE N 3903105 E 001 Producta r Limitador Controlador ac stico espectral rransmision Producer Pelematica Spectral saam initer sntroller with remot data transmisor Marca comercial Audio Trade Mark Modelo Tipo Ref EQLimit Medel Trpe Ref Fabricante AUDIO LIMITA DORES S L Nana ctarer Peticionario r AUDIO LIMITADORES S L Tested on request of Otros datos de identificaci n mis Mide mue
19. a ande report tested aec use in tha mode and date shown in the mentioned test repaftdioes not imply a certi amp caban of the production M laga Consult SE SE consultant ATO wireless 5 Parque Tecnol gico de Ancalucia G Sayer Ochoa 2 29590 Malaga Tel 4 34 552 61 41 00 Fax 34 652 6 91 13 www abhiwireless com MRC AUDIO EQLimit AT4 wireless S A f Parque Tecnol gico de Andaluc a A 74 c Severo Ochoa n 2 29590 Campanillas M laga Espa a WIRELESS www at4wireless com C I F A29 507 456 MRC AUDIO Informe de ensayo n Test report No Informe de ensayo Aparatos de audio video y aparatos electr nicos Identificaci n del objeto ensayado Identification of item tested Marca Trade Modelo y o referencia tipo Model and or type reference Other identification of the product Caracter sticas Features Peticionario Applicant M todo de ensayo solicitado norma Test method requested standard Procedimiento de ensayo Test procedure Resultado Summary Aprobado por nombre cargo y firma Approved by name position amp signature Fecha de realizaci n Date of issue Formato de informe No Report template No Informe No NIE 3903 LISE 002 analogos Limitador controlador ac stico espectral MRC Audio EQLimit Mide muestra y controla el nivel de presion sonora de forma espectral evitando sobrepasar un nivel pre
20. asurement data this is the sound levels with adjustable minimum level to register and register frequency The beginning and ending of working sessions The start and end of a working session conditions are adjustable Microphone level and efficiency alarms External alarms if these are connected to the corresponding input pin in the auxiliary connector located at the back of the unit The moment of switching off or on of the unit AUDIO EQLimit 34 The moment when a change in configuration is made it registers the name of the authorized installer that makes the changes Master password access is registered together with the name of the authorized installer that has used it The moment when a download of events is made When is connected to Internet When disconnect from Internet When compare levels in each band and detect any misalignment Sound Level Measurement Data EQlimit has the capacity to measure and register the next sound parameters Instantaneous SPL of microphone 1 Leg 5 seconds Leq with adjustable integration time for microphone 1 Percentile L90 for microphone 1 Percentile L10 for microphone 1 Instantaneous SPL of microphone 2 Leq 5 seconds Leq with adjustable integration time for microphone 2 Percentile L90 for microphone 2 Percentile L10 for microphone 2 Instantaneous level for Line In Leq 5 seconds Instantaneous level for Line Out Leg 5 secon
21. ata The user must sign in to any of them by contacting MRC Audio This connection has an annual fee At the time of this writing there are two authorized Internet sites for EQlimit www sicrel net www netaudiocontrol com Both sites collect the configuration data and the events data The GPRS connection also has an annual cost derived from the mobile phone company NOTICE Some ADSL routers cannot properly solve the IP address from the URL name using the DNS servers In these cases the IP address of the site must be typed in the URL box instead of the site name configured automatically by choosing a site from the I S drop list box MRC AUDIO EQLimit 43 TECHNICAL CHARACTERISTICS 8 e Balanced audio inputs 20 impedance Max level 20 dBV utSmarts audio outputs 100 impedance Max level 20 dBV e THD Noise 1kHz and 0 dBV lt 0 006 CCIR 468 22Hz a 22khz e IMD lt 0 010 e Frequency response 30 Hz to 30 kHz 1 dB e Signal noise ratio 107 CCIR 468 22Hz a 22khz 20 e Output residual noise 45 uVq CCIR 468 22Hz a 22KHz e Crosstalk gt 100 dB 1 Khz and gt 95 dB 10 KHz e Global gain From 0 to 50 dB e Peak level indicator 15 dBV e Measurement range 30 dBA to 120 dBA Accurate 1 5 dB From 60 to 115 dBA e limiting Adjustable From 30 to 120 dB Range 60 dB e Dimensions 1U 43 mm high 19 483 mm wide y 10 260 mm total depth with rear cover e Weight 3Kg
22. ations wanted to erase have their left hand numbered button coloured blue click on the Click here to delete button now colour yellow to erase them permanently This action is not reversible therefore be sure you have chosen the wanted installations before deleting If you do not want to delete any or all installations unselect them by clicking again on its blue button that will change back to its normal grey colour If all installations are deselected the Click here to delete button changes again into Select Installations Cancel Continue and colour blue Click on the button to go back to the initial state without deleting anything NOTE on top of the numbered left hand buttons there is a button with an asterisk clicking on this button alternatively selects deselects all installations MRC AUDIO EQLimit 15 Download to limiter It is possible to download the entire configuration from a database limiter into the actually connected limiter Obviously it is mandatory to be connected to an EQlimit before proceeding with this action Click on the yellow Download to limiter button This action will change the installations left hand numbered button into yellow colour Click on the chosen database installation s left hand numbered yellow button and the entire configuration of that database limiter will start downloading into the connected limiter Be patient this action may take some seconds Wait for the download to complete the USB red LED
23. ces PREVIOUS VALUE DENON CD giradiscos TECHNICS 511200 Sintonizador DENON HHR120B55 1200 Beringher ALTAIR EQ 100 ACTUAL VALUE DENON CD turntable TECHNICS 511200 Radio tunerDENON HHR120B55 1200 Beringher ALTAIR EQ 100 08 Dec 2013 12 40 MRC Audio Changed parameter Processors PREVIOUS VALUE BSS 1200 Beringher ALTAIR EQ 100 ACTUAL VALUE 1200 Beringher ALTAIR EQ 100 08 Dec 2013 12 40 MRC Audio Changed parameter Others PREVIOUS VALUE Limitador MRC EQLimit ACTUAL VALUE Limiter MRC EQLimit 08 Dec 2013 12 40H MRC Audio Changed parameter Maximum level if no daily time table PREVIOUS VALUE Daily time table ACTUAL VALUE 80 0 MRC AUDIO EQLimit 33 7 8 EVENTS This window provides with a summary of the activity of the installation summary that is stored in the non volatile events memory of the limiter Data can be downloaded from the limiter to the SCL application filtering by dates or time periods Once downloaded the events are listed and the creation of graphics is then possible It is also possible to create reports in Excel Word or PDF formats or can be directly printed through the local printer NOTICE In order to be able to generate the report in these formats it is necessary to have installed Microsoft Word Excel an Adobe Reader Elmar w E1224 File Limiter Adjust Levels Limiter Display Isolation Records Events List Preferences i SZ ES
24. corded Alarm Configuration Determines the alarm level condition and time persistence for the alarm condition for each type of alarm it is also possible to choose if the alarms will be recorded in the events memory if the alarm should cause a mute and if the alarm should activate the limiter s auxiliary output pin Only the Microphone alarm has no level or persistence time adjust as the microphone alarm arises immediately when the microphone is disconnected from the limiter The mute time can also be adjusted and the auxiliary output pin active level too MRC AUDIO EQLimit 20 The EQlimit limiter has capacity to register three types of alarms of the proper sound system plus an external alarm described in the Preferences tab description e Microphone Alarm Arises when the sensing microphone is disconnected from its corresponding input connector e SPL Alarm Arises when the sound level sensed by any of the two microphones surpasses the limiting level plus a margin during a persistence time e Efficiency Alarm Or manipulation alarm arises when the microphone level is under the Line Out level in a quantity greater than the margin condition during the persistence time This alarm is useful only if a calibration of the installation is performed because the calibration of the sound system is performed only with microphone 1 it is possible to configure this alarm only for microphone 1 If Microphone 2 is configured not to be active in
25. ds Leq with adjustable integration time for Line Out Maximum permitted level limiting level for that moment Attenuation applied by the limiter in that moment The sound level measurements are stored in the non volatile events memory in a periodic manner with a frequency configured by the user The minimum level to register is also configurable If the instantaneous level of microphone 1 is less than this minimum none of the sound parameters will be stored into the events memory even if the period time has elapsed All this stored data can be downloaded directly from the limiter via the USB connection after download this data is kept in a data base in the PC and can be analyzed in off line mode afterwards MRC AUDIO EQLimit 35 Reading data in CONNECTED mode The top right corner of this screen is the section for downloading data from the limiter History Download Download Last day 2013 2013 In this section you can select the period of time to download This period of time can be typed manually with the From and To lines or alternatively you can choose one of the fixed periods of time with the Download box at the top clicking on this box a list of fixed periods of time appear to choose one of them clicking on it Once the period of time is selected by any of both means click on the Download button to start downloading In the Events in Flash box the total amount of events recorded in the limiter s flash memo
26. dware connected Opening COM3 COM3 Does not exist in this hardware ng COMA Port COMA Open Limiter n E100130009 Ver 01 00 connected to COM 4 Sunday 18 Aug 2013 19 31 27 Downloading limiter s setup E Once uploaded the Edit Limiter button un dims and the log window notifies Conexion Log O Opening COM2 COM2 Does not exist in this hardware Opening COM3 COM3 Does not exist in this hardware connected Opening COMA Port COMA Open Limiter n E100130009 01 00 connected to COM 4 Sunday 18 Aug 2013 19 26 17 Downloading limiter s setup om Now the limiter s configuration parameters can be edited as described further MRC AUDIO EQLimit 18 EDIT LIMITER CONFIGURATION TABS Clicking on the Edit Limiter button the configuration window appears lt is a group of sub windows each headed by a tab 7 1 INSTALLATION S FILE This tab opens the Windows that shows all the information about the installation Name contact data address installer s data installed equipment observations and attached files to ease the consulting of files related to the installation File Limiter Adjust Levels Limiter Display Isolation Records Events List Preferences Remarks Installation Prueba MRC This is a sample of annotations for this installation Postal Code 28333 Country Contact MRC Audio Phone n Ema 7 Once filled in all the data a con
27. er has a circuitry that detects different actions on the microphone like changing the original microphone covering it with sound isolating material changing its location etc It registers the date and time of the moment of the manipulation and mute the sound if desired All these events are keptin a non volatile memory with capacity for over 3 months of activity registering sound levels every 5 minutes To avoid improper manipulation of the system all the configuration and programming of the unit Is only possible through proprietary software installed in a PC It is necessary to register this software prior its first use and introduce a user s license that is provided for each authorized user license that identifies him in each access to the unit Optionally the limiter can be provided with an internal ETHERNET adapter and or an external GPRS modem with which real time control is possible through Internet in a web page restricted to authorized users It also has physical protections with sealing screws at the connections back plane and for the microphone s cover As a complement for its installation and configuration the limiter has an internal pink noise generator All these elements are shown in the block diagram in fig 1 MRC AUDIO EQLimit 9 lt gt r rT LINE INPUT LEFT gt gt O LINE OUTPUT LEFT C gt gt LINE OUTPUT RIGHT LINE INPUT RIGHT FILTER MIC 1 ge FILTER A BASS DISPLAY
28. es per band are adjusted an equivalent limiting global value is calculated and shown it is possible to transfer this value to the Levels tab in order to fill in the global value and the timetable values 6 I 292 Mex gt 900 Trans 5s B EI EN EVA E BE i m E AE Band stamp Standard config gt MRC AUDIO EQLimit 30 The band limitation is subordinate to the global limitation EQlimit limits per the more restrictive of the two if the maximum level is surpassed in any of the bands the limiter will start limiting But if no band reaches its limit but the global sum their level reaches the global limit the limiter also starts to limit This window has vertical level measuring bars for the normalized bands centre frequency The seven lower frequencies are centred in 1 3 octave bands and the five higher frequency bands in octave bands having more precision at the lower frequencies because these are more problematic from the Isolation point of view In order to control the limitation you can choose all 1 3 octave filters or only the eighth octave band filters with the selection boxes and we can also activate or not each band to be included in the measurement of the control signal To the left of each bar there is numbered scale and a two colour strip green the lower part and red the upper part of
29. figuration report can be generated clicking on the Generate Configuration Report button This willopen an emerging window to choose among the possible report formats Word PDF or direct to the local printer iB Word pr PDF T NOTICE In order to be able to generate the report in Word format it is necessary to have installed Microsoft Word and Adobe Reader for PDF MRC AUDIO EQLimit 19 7 2 LIMITER ADJUST The MRC Audio EQlimit limiter is factory adjusted for its immediate use with the microphone 1 signal as the controlling signal for limitation and with its standard parameters Only the maximum sound level needs to be adjusted lf we need to change any of the default parameters we can do so in the Limiter Adjust window Alarm Configuration 4 30 4 50 m Adljust date amp time Special Penods 51 Tum Sjoo 00 500 00 1200 Change Password u 21 Sa 1 Tum 200200 300 5 00 3 1200 Sessions Adjusts the minimum sound level and the time that level needs to be surpassed to consider the beginning or ending of a working session The beginning and ending of the working sessions are registered in the events memory together with their date and time as all events Leq Adjusts the integration time for the Leq parameter Record Adjusts the minimum level to record in the events memory and the time interval between two successive level events to be re
30. fijado Almacena registros v graficos de los niveles sonoros para su evaluaci n e impresi n Equipo con envolvente met lica y clase I de protecci n contra los choques el ctricos 100 250 V 50 60 Hz 40W Clase I MRC Audio limitadores s l CIF B85637403 C Cavanilles N 50 C P 28007 Madrid Espa a Contacto Edurne Gasta aga Email info mrcaudio com Tlfno 915 529 138 IEC 60065 2001 Corr 2002 A1 2005 A2 2010 EN 60065 2002 A1 2006 Corr 2006 Corr 2007 A11 2008 2 2010 A12 2011 UNE EN 60065 2003 A1 2006 Corr 2006 2008 A11 2010 A2 2011 A12 2011 POSE000 Procedimiento general del laboratorio de Sceuridad CONFORME Rafael Gonz lez Consultor SE 2014 04 07 e FSE7O_07 P gina de 38 2014 04 07 EQLimit 46 CONFORMITY DECLARATION 12 DECLARACI N DE CONFORMIDAD DECLARATION OF CONFORMITY Directiva s del Consejo con la s que se declara conformidad Council Directive s to which conformity is declared CD 73 23 EEC CD 89 336 EEC CD 93 68 EEC Aplicaci n de las Normas Application of the Standards UNE EN 60065 2003 EN 61010 1 2001 61000 6 3 2001 EN 55022 1994 A1 1995 A2 1997 EN 61000 6 1 2001 EN 61000 3 2 1995 EN 61000 3 3 1995 EN 61000 4 2 1995 EN 61000 4 3 1995 A1 1998 A2 2001 EN 61000 4 4 1995 A1 2001 A2 2001 EN 61000 4 5 1995 A1 2001 EN 61000 4 6 1996 A1 2001 EN 61000 4 8 1993
31. idden like February 29 if it is not a leap year or April 31 for example If chosen the boxes change automatically to the previous permitted day In the same way configure the beginning minutes and hours and ending minutes and hours in the Special Timetable From and To columns Also configure the permitted maximum level during that special period in the SPLmax column AUDIO EQLimit 22 The EQlimit limiter accepts time intervals starting one day and ending the next day as this is the normal working intervals in clubs Therefore if the TO time is earlier than the FROM time the limiter assumes that the TO time is a time in the next day The Act and Reg boxes mean Active and Register respectively The Act box must be checked to make the special period active and the Reg box must be checked if you want to register sound levels and alarms in the events memory during the special period In the example picture above a single special period has been configured T1 In such way from July 6 to July 14 the limiting level is 100dB from 10 00 in the morning to 6 00 in the morning of the next day The period is active and sound levels and alarms will be registered in the events memory By the way this special period corresponds to the world famous Saint Ferm n feasts in Pamplona Spain 7 3 LEVELS AND TIMETABLE If the Without weekly timetable box is checked only one limiting level will be configured for all the week days during 24 hou
32. ld go back to MRC Audio The content of the box is 5 1 EQlimit MS1 Microphone Remote display DD1 optional USB cable Power feed cable Backplane cover TP2 Microphone cable CM10 Connections Input and output connexions are made by means of XLR 3 connectors The connection pin out follows the international standard Pin 1 is signal ground Pin 2 is non inverted and pin 3 is inverted Connect input and output audio signals 12 and 14 in such a way that the limiter is connected just before the crossover or power amplifiers if there is no crossover Either balanced or unbalanced lines are used be sure to follow the same pin out at both channels to avoid phase cancellations Connect the microphone s to the MIC1 and MIC2 optional 15 Position the microphone in a more or less centred position with respect to the speakers in order to measure both audio channels Try to position the microphone as near as possible to where the authorities would control the sound level from music not the audience Optionally connect the remote display by means of its cable to the connector DISPLAY 7 The remote display cable is 5 meters long Finally connect the mains cable supplied with the unit to the mains input and the unit will switch on Do always connect the earth connection for your personal security Test for correct sound If the remote display is installed verify that the metering more or less varies according to the sou
33. licking on any one of them gives access to the editing windows of the corresponding limiter The editing windows are accessed in read only mode except for the file screen that can actually be edited off line and changes are made in the data base in our PC but obviously not in the limiter itself as it is not connected At the top left of the events screen is the OFF LINE mode section Again you can select a period of time to analyze in the same way as for the connected mode But in this section you can also choose the type of events to see by means of the tick boxes at the top tick the boxes of the types of events you want to see Clicking on the All tick all types are selected deselected alternatively Session Start mj SPL Alarm Setup P4 Band stamp al Session End Fj Mic Alarm El Master password m Internet UP El Limiter ON Ed EFFI Alarm Ed Data Download Ed Internet DOWN E Limiter OFF 4 SPL fd External Alarm Ed inmisi n Ed MEA 18 wv 2013 me Once selected types and period of time click on the List button to show your selection in the events window The EQlimit limiter has the capacity to generate an events report in either formats PDF Excel Word or direct to the local printer by means of the reports buttons MRC AUDIO EQLimit 38 The reports are generated with a presentation layout except for the Excel format in which only an Excel table is generated ready to make mathematical operations in which the user can edit t
34. miting level value that might not be the same as the value adjusted previously in the Level tab If we want to transfer this new value to the timetable and global boxes in the Level tab write the new max level in Max window and just click on the Trans button Doing so it means that the global limiting is subordinate to the spectral limiting If the resulting band global limiting value is not transferred to the timetable and global limiting boxes the spectral limiting will remain subordinate to the global limiting therefore after doing all adjustments and after 3 minutes without typing any data into the matrix the limiting levels per band will be automatically adjusted to match the global limiting value typed in the Level tab proportionally so that the spectral relations are not lost 7 7 RECORDS This window is a reminder of the changes made to the configuration of the limiter All configuration changes are registered in non volatile memory inside the limiter and this record can be recovered from this utility This window also shows total counters for the alarms and sessions that have occurred in the past of the limiter Configuration EQLImit E1234 08 Dec 2013 12 40H MRC Audio Changed parameter Observations PREVIOUS VALUE esto es una prueba de la ficha de configuraci n con el nuevo generador de pdf ACTUAL VALUE This is a sample of annotations for this installation 08 Dec 2013 12 40 MRC Audio Changed parameter Sound sour
35. n rectangles are inside the limiter Pins are numbered looking at the connector from its front and are marked in the proper connector In order to use a N C normally closed circuit you must short circuit permanently the N O normally open pins N C 5 4 3 2 1 4 8 6 7 6 EXT ALARM INPUT Internet The EQlimit limiter can access Internet via two ways the first is to use local Ethernet TCP IP net with access to Internet ADSL and the second is through a GPRS modem with its corresponding digital data available SIM card There is an optional RJ 45 connector located at the backplane of EQlimit for connection to the local area net and a DB 9 connector to connect to a GPRS modem EQlimit connects to Internet automatically the user must only activate this communication by turning the INTERNET button to its ON position Before that configure the site to communicate with typing in its URL in the URL box alternatively choose a preconfigured site from the I S drop list box ON Web IS UR 82 223 125 169 movistar es User movistar Password AUDIO EQLimit 42 If a GPRS modem is to be used type in the APN user and password provided by the mobile phone company in the corresponding boxes in the GPRS section The GPRS modem must be the one provided by MRC Audio The Internet site must be an authorized site prepared to receive the limiter s d
36. nd level in the house MRC AUDIO EQLimit 10 5 2 SCL Software installation Download from www mrcaudio es the executable EQLimit SCL v1 00 Run this executable in your PC and follow instructions on screen Once installed the icon Mes appears on your desktop Double clicking this icon runs the software for EQ Imit setup and control Before attempting to adjust the limiter you must request an installer s license and register this license in the USER DATA window This license identifies the installer every time he makes a configuration change in the limiter If you do not have a valid license the limiter works in Demo mode where no changes to the limiter s configuration are possible 5 3 Limiter s password Besides needing a user s license for the SCL software every time you attempt to change any configuration parameter in the limiter the limiter will request a password to permit changes For this purpose an emerging window will appear to input the password Enter Limiter s Password w h Enter the limiter s password The default password for all limiters is 1234 This password can be changed by the user as described further on Once the password has been entered once it will not be requested for further changes unless a period of at least 5 minutes exists between two successive changes or if the software is restarted If a valid password is entered the emerging window disappears and the changes are made in tempora
37. o make his own presentation layout and style The events report is generated with the events listed in the events window 7 9 GRAPHS Clicking on the Graphs button the graphs screen appears and automatically graphs the data listed in the events window Graphs Supa gt Le i Maio i D i e Y 3 PEEL CUT 17 58 06 10 13 06 20 03 03 00 09 56 16 53 23 50 06 46 13 43 20 40 06 09 13 29062013 29062013 29 06 2013 30 06 2013 30 06 2013 30062013 30 05 20313 01 07 2043 01 07 2013 01 07 2013 02 07 2013 Date and Time CURSOR 30 Jun 2013 17 37 dB The graph shows the levels of the different signals that EQlimit measures described in previous sections as a function of time The graph has a cursor the possibility to Zoom in and out and the possibility to move around with the mouse To zoom in the graph select the area to zoom into dragging the mouse at the same time you hold the PC s Ctrl button and the left button on the mouse To zoom out hold the Ctrl button on your PC and press on the mouse s right button repetitively To go back to the original scale and zoom click on the Undo zoom button just below the bottom left corner of the graph MRC AUDIO EQLimit 39 To move the graph inside the graph window click in the graph and drag in the desired moving direction at the same time you hold the left button of the mouse and the Ctrl and Upper case buttons on y
38. oise button again to switch off the noise generator In the G MIC 1 slider control the 0 point is adjusted at factory This control can be adjusted my moving the red slider with the mouse by clicking on the top and or bottom small red arrows to obtain a 0 1dB increment per click by typing a numeric value directly into the numeric box at the bottom or by clicking on the numeric box up and own arrows to also obtain 0 1dB increments The same adjustment can be done with microphone 2 if present Once the limiter s sensing microphone measures the same as the sound level meter you can proceed to calibrate the whole sound system During this process pink noise will be emitted through the sound system avoid emitting any other sound in the house be silent during this process The process is automatic and is guided by the top left corner LEDs and different emerging windows follow instructions e Atthe Display box select slow e Click on the CAL button An emerging window appears inviting to fade out music and turning the amplifiers to maximum power e Click on the OK button The limiter automatically turns its global gain to minimum activates pink noise and switches to A filters e The Adjusting Global Gain LED starts to flash and the limiter automatically increases the noise level until the sensing microphone reaches the limiting level e Once reached the Adjusting Global Gain LED stops flashing and the Balancing Levels LED starts to flash At
39. ol of the limiter are installed in the house Also this calibration adjusts the limiter s global gain only 8 dB over the working limit adjusting the total power of the installation to the real working level This means that the limiter can work at lower attenuation levels what results in a better sound quality Finally during this calibration process the limiter registers a spectral stamp measured by the microphone 1 that permits comparing by emitting pink noise again at any future time This comparison permits to know if the house acoustical conditions have been modified This comparison can be done automatically every time the limiter is switched on if the Automatic Band Calibration button at the Preferences tab is in its ON position see the Preferences tab description further on If automatic the band comparison is registered in the events memory each time the limiter is switched on and the comparison is automatically launched Or this comparison can be done manually whenever the installer or authorities require so See Isolation tab description further on MRC AUDIO EQLimit 28 7 5 DISPLAY This window reproduces the limiter s external remote display a bigger size to permit a better reading of the sound level at a distance Like the remote display it shows the attenuation level by means of a bar of LEDs and signalises alarms and or excessive input level by means of dedicate LEDs By three big leds show the activi
40. on the connected limiter blinks as data is transferred while downloading and stops blinking when the action is finished Export gt It is also possible to export the entire configuration of one or more database limiters to a file within the PC with the extension mef in order to share database installations with other PCs or simply as a back up method Like with the delete button click on the Export gt button that changes to blue choose the wanted installations again the asterisk button alternatively selects deselects all installations and click again on the now Click here to export and colour green to export the installations This will open an OS window that permits choosing the name and location of the export file Import lt This button imports into the SCL database any exported mef files Clicking on this button changes it into Importing and colour red and opens an OS window to look inside the PC for the mef file that is to be imported Once chosen the file to be imported with the OS window the application adds the contents of the mef file to the SCL database the OS window disappears and the import button goes back to its initial state The connect button and log window are explained further on The EXIT button goes back to the initial window Back at the Initial window USER S MANUAL This button opens a pdf file with this user s manual in the language chosen for the application BACKUP Creates a backup
41. our PC The graph s cursor can be moved along the time axis by clicking directly on the point of the graph you want the cursor to go or alternatively with the left and right arrows of your keyboard step by step Underneath the graph there is a cursor section that shows the data relative to the cursors time position The top blue CURSOR box shows the date and time of the actual position of the cursor underneath a box per signal shows a numeric value of the corresponding signal for that date and time The different signals can be shown or not on the graph if the tick box to the left of each signal is ticked or not If microphone 2 is selected ON at the preferences window its corresponding signals will appear in this section also otherwise they will not appear The colours of the numerical boxes are the same as the colours of their corresponding graph lines These colours can be configured in the preferences window Underneath the graph s right corner there is a list of the signals shown at that moment with their line colours Clicking on the Report button an emerging window appears to choose the format of the Graphical report among Word PDF or direct to the local printer Generate Graph Report LS w Click on any of the three to generate a graphical report with the actual selected data and zoom of the graph The button Exit exits back to the events window AUDIO EQLimit 40 7 10 PREFERENCES PON Graph s Col
42. ours External alarm Green y Bue r w 4 50 4 5 r o0 INTERNET ON movistar movistar In this window choose your preferences for the next items Activate microphone 2 or not Select instantaneous or Leq microphone signal to show at the remote display and if instantaneous choose between fast 0 12 seconds integration or slow 1 second integration Smart Spectrum Limiting This button is intended for future versions must be kept in the OFF position Bands calibration If activated every time the unit is ON generates pink noise along 1 minute for level comparison with the one stored in memory from first calibration and checks the system s efficiency External Alarm With the combined action of several pins the DB9 AUX connector we can reduce or raise the sound level immediately in the quantity consigned in the Immediate attenuation box plus a slow decay of the quantity consigned in the Second attenuation box with a ramp of 1dB second Message priority is the external alarm referred to in previous chapters Called Fire Alarm as its main function is to connect the local fire alarm system to EQlimit in order to activate a gentle fire alarm message through the main PA system in case of fire To activate this function turn the Message Priority button ON MRC AUDIO EQLimit 41 Please read the next schematic if you want to use the AUX connector possibilities The elements enclosed i
43. password NOTICE Each MRC Audio EQlimit has up to ten master passwords Each time one is used it will not work ever again If allten master passwords are used and still the user keeps on forgetting the password the limiter will have to be serviced at MRC Audio to restore ten new master passwords Special Periods The EQlimit limiter has the capacity to configure up to 10 special periods in which the maximum permitted level and timetable can be different to the normal settings Special Periods EN Kc zo rcr 3120 x 2 Sim fon o 300 300 3 wami 3m 9 5100 3 120 0 e UE CNN ison sm CECI 20 Tarma w a J ED 11 e 00 sm 500 00 1200 AECI gt 1200 3 EFsEsEsEs Ez Fa EO BE 1031 Fon 11 Sim 200 00 00 00 5 1200 ee wi In each of these ten rows T1 to T 10 this is for each special period a beginning date ending date beginning time ending time and permitted sound level have to be configured To configure a special period click on the Special Date From column day box a list appears with the days 1 to 31 Click on the desired day In the same way choose the beginning month in the Special Date From column month box The ending date is configured in the same way using the Special Date To day and month boxes Because it is not possible to go back in time when the From boxes are filled in the To boxes change accordingly Also not existing dates are forb
44. r name EXIT goes back to the initial window MRC AUDIO EQLimit 14 Again at the initial window the rest of the buttons are INSTALLATIONS Opens the window with the list of installations kept in the data base and with the required buttons to connect to an EQlimit Any data base installation can be opened in read only mode clicking on the corresponding numbered button in the left column Installations Data Base Serial number 4 Last conexion date Last time Name 1 E1234 08 12 2013 12 23 Prueba MRC 2 E100130014 05 12 2013 _ 4 100130003 11 10 2013 4 18100130017 13 11 2013 Conexion Log Opening 2 Does not exist in this hardware Opening COM3 COM3 Does not exist in this hardware Opening COMA Port COMA Open Limiter n E1234 Ver 01 02 connected to COM 4 Sunday 8 Dec 2013 Downloading limiter s setup Setup downloaded you can proceed to edit the limiter Search Finding installations is possible by typing the name or part of the name or any identifying word into the Search box and clicking on the Search button Delete Installations can be erased by clicking on the Delete Button the button changes to Select Installations Cancel Continue and colour blue Once the delete button changes click on one or more installations by means of their left hand numbered buttons Each time a button is clicked it changes to blue colour Once all install
45. rs Monday Tuesday Wednesday Thursday Saturday In the Max SPL box type the required limiting level Click in the box delete the actual value and type in with the keyboard the new value in dB and with a maximum of one decimal For example 90 5 dB MRC AUDIO EQLimit 23 Alternatively the number in this box can be changed by means of the up and down arrows at the left of the box each click on this arrows will make a change of 0 1 dB If the Without weekly timetable box is not checked up to 3 different time periods can be configured for each day of the week with their corresponding limiting level plus the session ending time The green horizontal bar at the top changes to a bar with different colours along its width The bar together with the Monday to Sunday buttons make a linear graph that shows the distribution of the timetables along the week Monday Tuesday Wednesday Thursday Saturday Sunday Monday 09 00 dB 16 00 800 dB 22 00 gt 750 de El lead day The different colours of the bar show the possible day time periods Green is the first period the day yellow is the second orange is the third and red is the time between the ending of a working session and the beginning of the next working session time in which the limiter mutes its outputs EQlimit permits to overlap days when configuring daily time tables as their sessions start one day and finishing it the next da
46. ry appears In the Downloaded Events box an up growing number appears that counts the total amount of downloaded events while they are being downloaded resulting at the end of the download in the total number of events that have been actually downloaded If the All option in the Download time period selection box is chosen the numbers in these two boxes will be the same At the same time the events start to be listed in the events window at the bottom of this screen ITEM Event Date Time MAX Mic1 Legl 190 L104 Lin Lout Lea Lo Attn Mic2 Leg2 190 2 11022 Data Download 08 2013 Levels 08 Dec 2013 Levels 08 2013 Session Start 08 Dec 2013 Levels 08 2013 Session 08 2013 Levels 08 2013 Levels 08 Dec 2013 Setup 08 Dec 2013 Levels 08 Dec 2013 Session Start 08 2013 Levels 08 Dec 2013 Levels 08 2013 Levels 08 Dec2013 Levels 08 2013 Levels 08 Dec 2013 Levels 08 2013 Levels 08 Dec2013 Levels 08 2013 Levels 08 Dec 2013 Session End 08 2013 Levels 08 Dec2013 Levels 08 2013 Levels 08 Dec 2013 08 Dec 2013 ce 8 c5 c5 c5 c5 c5 c ccu Hs Co Cn C a a 8 a a 3 8 6 wd FF C s c5 c5 5 c5 c5 c Bo c Ch Wo ch ch C cy a A 5 1 C e Eh FE s c5 5 c5 c5 c H C3 F ub co c5 c3 ub a a 5 5 8
47. ry volatile memory If the limiter is switched off these changes are lost This is why a Save Changes button appears at the bottom left corner each time changes are made Clicking on this button makes the changes permanent and stored into non volatile memory and the button disappears until new changes are made Also if the screen is exited and changes have not been saved an emerging window appears Inviting to save changes Warning Save changes made in the limiter On this emerging window YES saves changes NO continues exiting the window without saving changes and CANCEL cancels exiting and redirects back to the actual screen MRC AUDIO EQLimit 11 The save changes process is repeated each time any configuration changes are made into the limiter but also it is possible to save changes only once after making all the changes wanted 5 4 Master Password If the user forgets the password to configure the limiter MRC Audio can provide a master password valid for only that limiter as a function of its serial number and valid only once Introducing a master password is registered in the limiter s non volatile memory as an event together with the date and time as all other events and together with the authorised user that has entered the master password NOTICE Each Audio EQlimit has up to ten master passwords Each time one is used it will not work ever again If all ten master passwords are used
48. stra v controla el nivel de presi n sonora de forma Full ileniificatium el ile prue espectral evitando sobrepasar un nivel prefijado Almacena registros v gr ficos de los niveles sonoros para su ccaluacion c impresi n Al mismo tiempo puede enviarlos a un servidor de Indernet WS issues displays and controls he sound para ir level spectrally avoid ac the peeset level Store ex ends ioumd bevels amd graphics for further assessment asd printing Al the came tomes 18 cam sacred all data bo server omn Inter S N ELS Norns de referencia Articulo 48 IT 6 apartado 1 subepartades a b c d y e del Andando DECRETO 6 2012 de 17 de enero mam 24 de de febrero 212 Certificado basado en el informe YN 39031 15E 001 de fecha dated 2113 12 10 l est cenifcate based on the test report Resultado CONFORME IMA COMPLIANT AT4 wireless es um lobemiono de ensayo competente para n neulrencs n de los ensayos objeto del presente mere ATA bmp librador lo Geary the lea ra the rep Mota certificado de ersavo s lo es aplicable a los objetos sometidos ensayo cuya identificaci n se recoge en el informe en que se basa ensuvados en el modo v fechats declaradas del mismo informe Por tanto no implica cortibicaci n de la producci n Note This rest certificate is omiy applicable to he unit of the product subire shaan im ch
49. the moment of recording Mic 2 Leq2 L90 2 and L10 2 correspond to the optional microphone 2 and are the same as for microphone 1 The slide bar at the right permits to navigate this window up and down to see all the events downloaded Automatically when the events are downloaded from the limiter an events file is created or attached to a possible previous file in the SCL database that makes reading this data in off line mode in future occasions Reading data in OFF LINE mode This reading is of the events stored in the SCL s data base When at the installations window all limiters in the database are shown Data Base Serial number Last conexion date Last conexion time Narne Address E1234 08 12 2013 12 23 Prueba 28333 E100130014 05 12 2013 10 40 E1001 30003 11 10 2013 19 10 100130017 13 11 2013 20 52 In this window each line is a different installation per each installation the next data is shown Serial number the limiter s serial number Last connexion date The date of the last time you connected to this limiter Last connection time the time of the last time you connected to this limiter MRC AUDIO EQLimit 37 Name the name of the installation it is the one typed into the Installation box in the limiter s file see 7 1 Address the installation s address it is the one typed into the address box in the limiter s file see 7 1 To the left of each line there is a numbered button C
50. the strip The point where the strip changes colour is the limiting level for that band Those bands that surpass the limit change from green to red as seen in the previous figure In the numeric box underneath the bars the real time level per band is shown with 0 1dB precision It is possible to see the real time frequency spectrum for microphone 1 or Line Out To the left of the bars there are two buttons that select which of the two to show on the bars This also selects which of the two will be used as the limiting signal The band limiting is activated by turning ON the ON OFF button just underneath Fast Y The real time measure can be seen with a fast or a slow integration time To the right of these 12 bars that correspond to the filters there are two other bars that measure the global level for microphone 1 and Line Out MRC AUDIO EQLimit 31 With both groups of bands we have both options in a single window and all the information global and per bands at a glance Below the band bars there is a matrix of 3 rows x 12 columns numerical boxes for the adjustment of the band limits per two different data groups 786 5 786 786 5 786 786 786 786 764 7863 892 E 552 5 90 0 Trans E 2 9 222 05 2 2 292 5 292 5 292 d FEL dil 292 ZEE 398 ti 125 500Hz IKHz EH ES ES ES CO ES CH
51. ty of sound signal inside the unit Green Input signal is present at connectors and its level is under the max authorised level Yellow The unit is controlling the audio signal amplitude Red The unit mutes de audio output 2 Configuration EQLimit 130058 v01 10 10 2014 10 39 es co El w AUDIO EQLimit 29 7 6 ISOLATION The limiter is factory adjusted to work with global limiting through A filter If you wish to use a control signal that responds to the acoustical isolation adjust in this window the previously measured isolation and inmision levels so that the limiter responds to a limiting level per frequency band At the real time measuring vertical bars when a frequency band s level surpasses its limiting level the bar changes from green to red colour therefore we can perceive at a glance a real time spectral distribution of the sound It is possible to choose between MIC1 or Line Out signals for limiting and the spectral limiting becomes active when switching the Band Limiting ON OFF button to ON The global MIC1 and Line Out real time levels are also show at the right of this window in order to have a more global view of the signals involved in limiting The working levels of each band can be determined manually or applying the normalised isolation STC and inmision NC curves or applying global values that are distributed equally through all the bands Once the limiting valu
52. umping effect and or breathing sound other limiters have offering high quality sound even at high attenuation levels Also it reminds the last attenuation level when the input audio signal is interrupted avoiding in this manner high level sound peaks when the signal is back on The control circuit is based on a powerful microprocessor that permits measuring both microphones input line output line and the 12 1 3 octave filters in real time It also registers and shows on screen all the events including alarms that might arise together with their date time and sound levels in dB per each ltregulates all the work time with three different working maximum levels per each day of the week In this way it is possible to have different maximum permitted sound levels depending on the hour of the day or depending on the day of the week or alternatively it is possible to have the same maximum permitted level all the time e It changes automatically from winter to summer time the possibility to program up to ten special periods between any two year days in which levels and or timetables may be altered intended for special occasions e Itregisters the date of the programming changes as it also registers the user s license of the technician that makes those changes e Sound levels are registered periodically during the working sessions MRC AUDIO EQLimit 4 e Asprevention against manipulation of the system the limit
53. ure level The generated signal is weighted as for C A or BASS curves and is registered periodically with programmable frequency and registering all sound parameters 55 LeqT prog L10 L90 These parameters can be measured also through a second sensing microphone The in amp out audio signals is also registered for a combined evaluation This signal is compared to the levels and timetables adjusted during the programming of the unit As the maximum sound level is exceeded the equipment starts limiting Beyond this point and even if the input signal grows or the power amplifiers boost up the sound level in the house won t grow over the level fixed as the limit The limiter s action is shown by a group of LEDs marked with 5 10 15 20 30 and 40dB of attenuation Although the limiter does not show further it will still carry on limiting up to over 60dB The input overload is signalled by the AUDIO LED on the front and on the remote display It is also possible to use the audio signal as the limiting source instead of the signal measured by the microphone In both cases it is possible to adapt the limiting spectral curve to the house s isolation spectral curve by means of a spectral meter with 12 1 3 octave filters The limiting circuitry is one of the important advantages of this equipment because it calculates in a predictive manner the possible boost of sound level and thanks to its elaborated design avoids the unpleasant p
54. y To change the timetable of a day you can click on that day s button at the linear strip or navigate from day to day with the Previous day and Next day buttons The examples figure above shows a time table for Monday as follows MRC AUDIO EQLimit 24 From 9 00 in the morning to 4 00 in the afternoon the permitted level is 90 0 dB From 4 00 in the afternoon to 22 00 in the night still the permitted level is 90 0 dB From 22 00 in the night to 5 00 in the next day s morning the permitted level is 85 0 dB At 5 00 in the morning Tuesday the limiter mutes its outputs It is possible to type in one single day and copy that input to the rest of the days of the week or to the days of the week you choose This is done by means of the day tick boxes and the Copy to button In this section tick the days you want to copy to and click the button Ticking the All box will select deselect all the days alternatively AUDIO EQLimit 25 7 4 LIMITER In this window we can adjust global gain a gain for microphone 1 a gain for microphone 2 and a fine gain for Line Out Also choose a filter for the measure of both microphones and Line Out A C BASS lt 300Hz Adjust the attack and release times for the dynamic control of the limiter Switch on the pink noise generator Calibrate automatically to equalise the Mic 1 and Line Out levels clicking on the CAL
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