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OWNERS MANUAL -> DEQ-282

1. EO ME O E E In order to introduce the memory name with the band under which are printed the associate character of each key how you can see each key has more than one associate character the access to the following characters is carried out pressing again the key band If we introduce the characters in this way the jump between characters of the memory name edition is automatic upon pressing a different key to the firstthat you have pressed or waiting for about second until jump to the following character so up to eight characters of which consistthe memory name of the memory In order to pass to the previous character if itwas wrong press the NO key In order to conclude you should press the YES key like confirmation ofthe memory name M CO M a1 CONTROL MODE NAME MEMORY INTROL MODE INTROL MODE NAME STER STEREO 1 STER STEREO MAME 5 STEREO HO 1 D LEE m gt Fm EE n EP CM Le a 63 l II A 16k R a 31 63 16K R 9 31 63 4 16k R B O MODE ME MEMORY MH 1 L 195 950 500 HEX GNE NETTO 195 TN 100 160 200 Moo 63 K 10 a 00 160 200 TM 6 Ko OK m 0 100 160 200 315 40 K 6 10 12 MODE NAME STEREO WO MAME CONTROL MEMORY PLA STER 1 eee 4 5 HD n rrr ftf E 50 z 16 TERET OS
2. 2 TOINDUCE THE F DBAGK normar roo 28 EQUALIZING TO EUM INATE THE FEEDBACK 28 Sa tapa 29 DIGITALLY CONTROLLED GRAPHIC FOUALISER DEO 282 AUTOM ATC AN TEFFEDDACR cantina 29 ACCESS TO THE ADVANCED MENU FUNCTIONS 30 M EM ORY SETUP M EMORY ii orita exco erre ofa coenae aa 30 MEMORY BANDS MEN FO Dana ao 30 RESTORE A MEMORY IN A QUICK OR PROGRESSIVE MANNER 30 ADDING TWO MEMORIES ADD 31 B PESE EDU T e or E OO ae 31 FS alU de DM T aia 3l INVER TICO INVERTECO C M 31 FILLED SPEC IRUM CURVE SPEGIRU FILL acosta 31 ACESS CODE SECURE 32 DIRECT VOLUME ACCESS 32 MEMORY PROTECTION MEMORY LOCK sess 32 FIRST SECURITY ACCESS CODE HIRO CODE toser tocan 32 SECOND SECURITY ACCESS CODE SECOND CODE eene 33 C WI inicia 34 OM NIM ODE OMNI potato 34 MIDI RECEP UON CHANNEL RECEIVE CH oropesa 34 MIDI TRANSMISSION CHANNEL TRANSMIT CH seem 35 SYS1EM EXCLUSIVE 9V5 MT s 35 OIREREUNCIONSIOTA ENS OTT 35 CHANGING THE ANTI FEEDBACK SENSITIVITY SCAN 5 5 35 BANDS RESET TIME BANDS E esee 35 VO
3. GRAPHIC Ground referenced sound destination unit or EQUALISER MEN SOUND RA A DESTINATION UNIT CHANGING THE INPUT AND OUTPUT SENSITIVITY SENSITIVITY The equaliser has an input sensitivity switch and an output sensitivity switch placed atthe equaliser rear panel OdBu When the sensitivity switch is not pressed in the equaliser has an am lOdBu input sensitivity of OdBu When pressed in the equaliser has a sensitivity of JOdBu At this setting you will obtain a 10dBu input gain that will be lost in headroom If however you press the sensitivity output switch setting itat 10 dBu you will obtain an output attenuation of 10 dBu Otherwise itis set at O dBu You will obtain the same signal when you press both switches since the input is being enhanced and the output is being attenuated The advantage is thatthere will be less background noise and the disadvantage is that you will loose 10 dB of headroom On the other hand the input and output sensitivity changes will allow you to adaptthe equaliser to your system therefore making it more versatile GROUND LINK In some installation it might be necessary to isolate the graphic equaliser electric ground from the system mains earth in order to avoid ground loops that could generate unwanted noises For this reason the graphic equaliser provides an EARTH LINK switch placed atthe rear panel in order to liftthe mains earth fro
4. however a few exceptions such as editing the memory name or equalising which work in a different mode each exception is explained in its section MEMORY CONTROL MODE NAME MEMORY j MEMORY TER STEREO NAME 901 In order leave from the util menu you will press the NO key from the main menu CHANGING THE MEMORY NAME The memory name is located under the NAME word indicated in the front panel The procedure differs from the conventional procedure used to change the menu parameters due to the special characteristics of this parameter The equaliser uses the memory name NO NAME as default A memory can use a maximum of 8 characters The procedure used to change the memory name is as follows Go to the main menu over the first menu line EDIT NAM E and press the YES key In that momentthe name edition window will appear us with the first character of the selected name CONTROL MODE NAME MEMORY MEMORY CONTROL MODE NAME STER STEREQ In 1 MASTER STEREO HRME DAA ES gt lS MEMORY 4 01 1 1111 Lom Y EIA 125 250 500 Ik 2k 4 ET 16k 20100 150200 aoo 69 0 Ke Kaa Keks Kiek In order to introduce the new name of the memory you can use two modes either with the band keys under each key is the associate character or rotating the parameter control until find the wanted character In order to change the memory name with the par
5. 50 K 6x3 4 0 500 6020 25400 0 3K 16K 5 3 93 Kok Keep in mind that the two methods work the same time it to say could introduce a character by means of the rotor and the following by means of the band keys NOTE In the previous figure the characters that it represent each band key have been represented in the superior partof the key for clarity since in the unit are located in their inferior part CHANGING THE CUT FREQUENCY OF THE HP LP FILTERS The low pass filter can vary between 1K5 to 16KHz by 1 3 octave steps It will disconnecton its last FLAT position The high pass filter varies between 31Hz to 500Hz in 1 3 octave steps and disconnects on its first FLAT position The high pass filter and the low pass filter X appear on the display over the band which correspond with its cut frequency of the active equaliser If the filter is in FLAT the indication doesn t appear In stereo mode the low pass and high pass filters of both channels Land R have the same value The variations of one of these filters affect both equalisers In dual mode the low pass high pass filter are independent In order to change the high low pass filters do as follows Go to the main menu overthe menu line corresponding to the filter in stereo mode you will have two lines HP FILTER and LP DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 7 FILTER and in dual mode you will ha
6. O LE x 95 SKI ALA 5K UK ui MON P 1K6 X poe eS DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 DIRECT ACCESS Use the DMA key to directly access those memories that have been setup for the DMA key Its default setting is from 1to 10 When pressed for the first time you will access memory 1 and when pressed a second time you will access memory 2 etc until you reach memory 10 If you press the knob again you will retum to memory 1 The equaliser will memorise the lasttime the DMA key was pressed even if you have turned offthe system The memory numbers used by this key can be set up This is explained further on CONTROL MODE NAME MEMORY CONTROL MODE NAME MEMORY MODE NAME MEMORY STER STEREO HO 21 CONTROL MODE NAME MEMORY TER STEREO HO MAME HA3 STORING AN EQUALISER SETUP IN THE MEMORY The procedure in order to store an equaliser setup in a memory it is very similar to that of restoring a previously stored equaliser setup you will only press the STORE key instead of the RECALL key and that you won t have the option of the band keys Once pressed the STORE key the memory number will be inverted and will appear the memory store window in the display CONTROL MODE NAME MEMORY CONTROL MODE NAME MEMORY MASTER STEREO MAME 1 MASTER STEREO 40 50 at In order to store the memory with paramet
7. and then could paste itin another memory you simply will maintain pressed the YES key until the following window appears PRESS AND HOLD MASTER STEREO NAME 401 a STER nois NAME Ea 1 ASTER STEREO HO HAME _ 1 OMNE KIA o 6 5 250795 300 Kors K EE R If you pressed again the YES key we will have copied the working memory The following step is paste the working memory where you want you for this will maintain pressed the NO key until the following window appears NA MEMORY _ EJ 7 Keep in mind that in order to paste a memory you before must copy it If we tried to paste memory without there be copied the following window will appear us PRESS AND HOLD NT MODE NAME TER STERED HD HAME R STEREO MAME A MODE NAME MEMORY STEREO UTIL MENU ACCESS Whenever you press the UTILkey a window will appear on the display in which you can access to the memory name the HP and LP filters as well as to a configurations that will allow us to personalise the equaliser use Whenever you move the parameter control towards the right the inverted parameter will decrease and whenever you turn it towards the left it will increase Because it loops if you turn the parameter control towards the right when you are on the last parameter it wi
8. ata slower rate ACCESS CODES SECURITY The equaliser has three security levels BT RECT VOLUME two of which have a four digit alohanumeric access code and the third is used for memory BE protection The two security levels are compatible and can be used at the same time therefore allowing access to different users Additionally the access codes in this menu is configured the direct volume access with the parameter control DIRECT VOLUME ACCESS DIRECT VOLUM E CONTROL MODE NAME MEMORY With the direct volume access option MASTER STEREO NO NAME p 1 activated you configured the i parameter control to acton the active l TRECT OLIM Lm equaliser volume it is say didn t need to 57 m press the VOMUNE keys in order to access it A g If the option is disabled OFF we needed to press the VOLUME keys in order to access it M EM ORY PROTECTION M EM ORY LOCK CONTROL AVODE NAME MEMORY This option is the system s first security isi s sce dsl Ver 1 level and can be setup for each memory MEMO within equaliser Whenever you access MM ape 5 4 this option itwill display the present active memory 0 D Wherever this option 4 as sed CERIS xx 630 spp In M aK is activated ON the equaliser will not allow you to save any Information in that memory Instead of the diske
9. turned on it will prompt you to insert the s 3 arian magn access code If no code or if the wrong code TERRE R D is inserted the equaliser will remain ay MU completely blocked with its last setup CAUTION Don t forget the access code s If you forget the code you will not be able to access the equaliser or you will only be able to access the stored memories The method in order to introduce any of the access codes of the firstor second security level is the following Access to the graphic equaliser menu pressing UTIL key order to locate on the option SECURITY of the main menu rotate the parameter control until the SECURITY option remains inverted NAME m STEREQ NAMNE parameter control you will place on the option SECOND CODE FIRST CODE depending the password that you wantto change MODE NAME MEMORY CONTROL MO MEMORY CONTROL MASTER MODE M MEMORY LD 5 ML DE LS LEI Y N 31 40 63 30 125 60 250 15 300 20 1k 2k 2K5 4k 5 Sk m 16k 30 100 200 740 7 300 Lut 7 6 CONTROL O MEMORY CONTROL MODE NAME HRSTER MASTER STEREO HO HAM MEMORY n E EE Ti ll I ene MA 3 63 195 250 16 40 ip 5020 25400 WK In order to introduce the password you have two methods either with band keys under each key is the associate charac
10. changes to simulate the current environment or process the effects The DEQ 282 unit is highly recommended for large music systems where remote control is imperative About this manual VERY IMPORTANT For a correct installation and for bestresults please read carefully this manual when using this system The manual includes instructions and lists some of its many applications Conventions Some paragraphs have headings Note Warning and Danger to highlight important information and to state possible damage to the unitorto the user PARENTHESIS Attimes we refer to the text that appears in the unit which is separate from the text that appears between parenthesis BOLD This is used to highlight important information NOTE Contains information that can be useful for the user WARNING States potential damage for the unit or its correct usage DANGER Indicates potential risk for the user DIGITALLY CONTROLLED GRAPHIC EOUALISER DEO 282 Following is the rear panel drawing of the switches controls adjustments and connectors that you could find in your ALTAIR graphic equaliser A detailed explanation of each item appears in the corresponding section DEQ 282 FRONT PANEL SCAN KEY RAT EQ KEY BAND KEYS LEVEL KEYS CONTRAST KEY COMPARE KEY ACCEPT KEY SLAVE MODE KEY DIRECT MEMORY ACCESS KEY BYPASS KEYS INDICATORS CANCHATION KEY UTIL KEYS RECALL KEY LEVEL INDICATORS DISPLAY KEY STORE KEY CHANNH
11. electr nicos Waste from Electrical and Electronic Equipment WEEE directive The WEEE logo signifies specific recycling programs and procedures for electronic products in countries of the European Union We encourage the recycling of our products If you have further questions about recycling contact your local sales office Directiva sobre Residuos de Aparatos El ctricos y Electr nicos RAEE El logotipo de la Directiva RAEE se refiere a los programas y procedimientos espec ficos de reciclaje para aparatos electr nicos de pa ses de la Uni n Europea Recomendamos el reciclaje de nuestros productos Si tiene alguna consulta p ngase en contacto con su Distribuidor Information based on European Union WEEE Directive 2002 96 EC Informaci n basada en la Directiva de la uni n europea RAEE 2002 96 EC y el Real Decreto 208 2005 ALDOR ROIRONCSLESCON Es y EQUIPOS EUROPEOS ELECTRONICOS S A L Y AE 71 br Ld Avda de la Industria 50 28760 TRES CANTOS MADRID SPAIN 1 Quis 34 91 761 65 80 gi 34 91 804 43 58 at laltairGaltairaudio com www altairaudio com
12. frequency So far we have explained the manual operation of the AUTO setup but the system can also carry outthe complete process automatically Press the YES key in this setup and the SCAN mode setup line will blink indicating AUTO GO The equaliser will automatically lower the channel volume by 3dB and will increase the volume in one decibel steps until it finds a feedback From this point on the channel volume will be lowered by 6dB and the closest frequency to that produced by the 3dB feedback will restart the process The process will automatically stop under any ofthe following conditions If the closest band to the feedback is positioned at 12dB justas the two adjacent bands if an attenuation of more than 500B is detected in the bands or ifthe channel volume has reached 6dB You are being able to stop the process whenever you like by pressing the NO key You can also vary the channel volume at any time during the process and if an error should occur you can lowerthe channel volume without damaging the systems speakers It is highly recommended that you install a compressor limiter in the audio line to prevent damages Please note that the time to automatically eliminate the feedbacks is during the sound check The equaliser can confuse music with feedbacks specially with wind instruments DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 30 The automatic elimination of feedbacks varies depending on the present S
13. information stored within its working memory L DIGITALLY CONTROLLED GRAPHIC FOUALISER DEO 282 21 RESTORE A PREVIOUSLY STORED EQUALISER SETTING In order to access different memories besides those that appear in the menu area press the RECALL key Once pressed the memory number will be inverted and will appear a memory change window in the display In this moment you have two methods in order to change the memory either rotating the parameter control until find the wanted memory or with the band keys CONTROL MODE NAME MEMORY MASTER STEREO MO 1 CONTROL MODE NAME MEMORY MASTER STEREO RECALL M 51 1 Are you sure YES HOAZ 25 500 ml 63 105 250 160 200 315400 63 5007 2K 4K 16K 40 59 80 690 Ke Saa Keka Kik In order to change the memory with parameter control you will tum it towards the right or towards the leftto decrease or increase the memory number and it will disappear the memory change window in the display The control is looped therefore whenever you reach the end you will return to the beginning and viceversa When you stop moving the parameter control the equaliser settings that were stored in that memory will appear on the display and the memory title will be indicated in normal mode thus allowing you to see previously stored memories withouthaving to change the equaliser setting In other words the equaliser will not chang
14. memory name of the memory In order to pass to the previous character if it was wrong press the NO key In order to conclude you should press the YES key like confirmation of the password Q In order to leave from the menu press the NO key repeated times until you don t have left a visible menu MIDI INTERFACE MIDI CONTROL MODE HASTER m The MIDI interface is one of the equaliser s remote control possibilities under MIDI standard Therefore a remote unit can MER n cs control the equaliser by a computer with a MIDI ma device or any other DEQ 282 equaliser The technical characteristics for the MIDI he MIDI implementation card and the exclusive commands of the system are explained in a specific section N CONTROL MODE NAME MEMORY MM DI When in OMNI mode ON the equaliser will respond to the MIDI commands sent through any MIDI channel independently from the assigned reception channel When not in OMNI mode OFF it will only respond to the commands sent by the assigned reception channel MIDI RECEPTION CHANNEL RECEIVE CH CONTROL MODE NAME MEMORY MASTER STEREO NAME E 1 A O You can choose a MIDI reception channel from 1to 16 If the equaliser is not in OMNI mode it will only respond to the MIDI commands sent through that channel DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 35 MIDI TRANSMISSION CHANNEL TRA
15. menu The DMA key will access from the firstto the last memory numbers that appears in this setup in sequence The memory numbers can coincide In such a case you will only access one The first can be lower than the second to forward or the opposite to backward LCD SETUP LCD CONTROL MODE NAME MEMORY MASTER STEREO HO NAME n 1 The LCD setup allows for two options The two options are the following invert or normal LCD mode INVERT LCD and fill or normal equaliser frequency response curve SPECTRUM FILL INVERT LCD INVERT LCD CONTROL MODE NAME MEMORY MASTER STEREO NAME 5 This option allows the equaliser to 11111511111111111 invertthe whole display ON stands for ll at Ln inverted and OFF stands for normal This is e NO gt useful ifthere is lighting varies You can also TELI E J 1 1 setthe displays brightness therefore making it easier to see under poor lighting conditions F ILLED SP ECTRU M CU RVE SP ECTRU M F ILL CONTROL MODE NAME MEMORY MASTER STEREO NO NAME A 1 It allows you to see a filled curve of the IO AE equaliser frequency response spectrum I editam Lm ON stands for filled and OFF stands for E miii DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 3 normal This mode allows for easier reading of the curve but when the curve varies it updates
16. press a band key You could SAA gt choose the following options 0 2 sg 1 4 50 2 6 sg and 3 8 sg VOLUME RESET TIME VOLUME TIME E AI A O O With the volume reset time you could perra La choose the time that will be selected the gt ee volume when you press a volume key You AE b could choose the following options 0 2 sg 14 2 6 59 and 8 50 DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 36 SLA VE NUM BER SLA VE NO CONTROL MODE NAME MEMORY MASTER STEREO NO NAME 21 We could choose the number of slaves pu n FO of 1to 16 to which it will control the graphic iil hada equaliser in slave mode which we will see In utinam Dm mill map later on Itis good choose the number of Slaves in order to simplify the process of slave control MASTER MODE When you press the SLAVE key the system will act as the master unit he equaliser is setto a slave mode by default allowing itto control up to 16 connected DEQ 282 units via midi The word under the control indication will change of MASTER to SLAVE The transmission is unidirectional therefore the MIDI OUT connectors will not be connected In order to connectthe slave network connect the MIDI OUT of the master unitto the first slave s MIDI IN The MIDI THRU of the first slave will be connected to the MIDI IN of th
17. the second the ground configuration of the sound destination unit floating or ground referenced The next pictures shows some of the different possibilities of connection relying on the type of output signal balanced or unbalanced and according to the ground configuration of the equipment floating or ground referenced y Sound destination unit with mains cord without ground connection an Sound destination unit with mains cord with ground connection E 4 4 Sound destination unit with the EARTH LINK OFF d Sound destination unit with the EARTH LINK ON UNBALANCED OUTPUT This type of connection will be used when the sound destination unit doesn t provide of balanced input If itis possible will be used the connection type 1 DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 aaa GRAPHIC EQUALISER SOUND er i bom cary Bt DESTINATION UNIT GRAPHIC Ground referenced sound destination unit Or EQUALISER LEON ATTA gt ED SOUND o ads DESTINATION UNIT 2 Using single conductor coax cable GRAPHIC EQUALISER MI Floating sound destination unit or SOUND gt E BRE DESTINATION gw UNIT GRAPHIC TJ or EQUALISER 7 SOUND DESTINATION UNIT BALANCED INPUT GRAPHIC EQUALISER SOUND Erf DESTINATION UNIT DIGITALLY CONTROLLED GRAPHIC FOUALISER DFO 282
18. the specifications without notice or obligation DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 as 30 8 MIDI INTERFACE MIDI IMPLEMENTATION CARD COMAND TRANSMITTED RECOGNIZED CHANNEL changed 1 16 116 MODE NOTE NUMBER VELOCITY AFTER TOUCH PITCH BENDER CONTROL CHANGE NRPNLSB 98 NRPN MSB 99 See parameter list DATALSB 36 DATA MSB 6 PROGRAM CHANGE 0 99 007 See Note messages SYSTEM COMMON X SYSTEM REALTIME X ________ AUX MESSAGES NOTE 1 The system recognises values between 0 and 127 When a value is higher than 99 e 100 the system will decrease the value by 100 the available number of memories For example a memory value 100 would become memory 0 1 All numbers are in decimal format PARAMETER LIST PARAMETER NUMBER RANGE BANDS 0 55 0 24 NUMBER 0 o 31HzL 27 gt loKHzL 28 o 31HZR 55 oKHzR RANGES 0 o 2 24 gt 2dB BYPASS L Bypass when n gt 64 BYPASS R Bypass when n gt 64 DIGITALLY CONTROLLED GRAPHIC EQUALISER 282 40 PARAM ETER NUMBER RANGE L OUTPUT LEVEL 0 00 e m ia 31 gt 6dB E iA FLAT LCHANNEL LF FILTER 62 0 13 FLAT 4 gt 500 Hz O CIO GI Eee store STEREO DUAL MODE Dual when n gt 64 i 0 27 Merge when n 2 64 ATL 8 orto 68 jDontcere SYSTEM EXCLUSIVE Vm Sys
19. unit in MIDI mode See previous sections Press and hold the UP key until the display startto blink Once we will change the MERGE configuration with the UP and DOWN keys MO deactivated and 1activated If we do not touch any key the display will stop blinking after a while and will return to the normal state The same Will occur if we press the MODE key When this option is activated M 1 and wherever you change the equaliser memory the transition between different filter levels volume high and low filters will be carried outstep by step progressively When this option is deactivated M 0 the transfer from one memory to another is carried outinstantly and abruptly AS AAA DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 45 PRESS AND HOLD THE DISPLAY START TO BLINK a ln E Em 5 ___ b M EM ORY CHANGE First place the slave unit in MEM ORY mode See previous sections With the key UP will go to the upper memory and with the key DOWN will go to the lower one There are ten memory banks A to with ten memories each one 0 to 9 Therefore there are one hundred memories If we hold press any of the two keys UP or DOWN memory numbers will go quickly The change of memory will take place when we release the UP or DOWN key RECORDING MEMORIES FROM A MASTER UNIT This section is interesting for permanent installations in which you have recorded some memories and it is notnec
20. 3 CONTROL MODE NAME MEMORY zm MASTER STEREO MAME WORKING WITH MEMORIES The ALTAIR DEQ 282 equaliser includes 100 non volatile memories which range from 0 to 99 The big memory number is located in the right hand ofthe display under the MEMORY word Besides these 100 memories there is another memory that will be defined as the working memory This working memory is used at all times by the equaliser and can therefore differ or be the same as the present memory the memory that appears in the menu area Whenever both memories are the same a diskette icon will appear between the memory number and the memory name Same memories Different memories The equaliser memories only store information referring to the band positions of both equalisers the high and low filters of both equalisers the memory title the work mode and whether or notthe present memory is blocked Other parameters such as the midi setup DMA setup inverted LCD etc are general setups contained within the equaliser and they will affect all of the memories Further on we will explain how each of these parameters affects the equaliser The equaliser will set all bands at 0 dB as its default setting when nothing has ever been stored in that memory The high and low filters will be turned off The memory title will appear as NO NAME the working mode will appear as stereo and the memory will not be blocked When you turn off the equaliser it will never loose the
21. D MEM This option allows you to add two memories This is done by first selecting a memory and then by adding to that actual v Once you positioned the desired memory number press the YES key to CONTROL EA Nm MEMORY make the addition The MERGE setup will STER affect this option see previous AS i paragraph If itis activated the sum will LS be carried out progressively whereas if it HD Hz is deactivated the sum will be carried out 1 1 R quickly DMA SETUP D M A CONTROL 1 The D M A key direct memory MASTER STER NAME access is configured in this option Upon OS entering in this option a memory number il are will be inverted that will be first from YES7ND7 where will actthe DMA key and upon l 1 Rb rotating the parameter control this number will change Upon pressing the YES key the second number inane that it will be until the memory to which you will access the DMA key If you have confused in the first number you will press the NO key with what you will access to the firstmemory number again if you were in the second number of memory or will return to the memory configuration menu if you were in the first memory number once you have configured the second memory number you will press the YES key in order to return to the memory configuration
22. DEQ 282 DIGITALLY CON TROLLED GRAPHIC EQUALISER OWNERS MANUAL EQUIPOS EUROPEOS ELECTRONICOS S A L Avda la Industria 50 28760 TRES 5 ADRID SPAIN 34 1804 32 65422 34 1804 43 58 altair altairaudio com DIGITALLY CONTROLLED GRAPHIC EOUALISER DEO 282 2 L INTRODUCTION smc E E 4 2 SWITCHES CONTROLS ADJ USTM ENTS AND 5 5 252 FRONT PANEL ornato 5 202 M ida 6 3 WORKING 7 TALLA TION 7 UNPACKING 7 MOUNTING ina a 7 CHANGING THE VOOUAGE cerrara ir ect 7 CHANGING THE 9 CONNENON TO THE MAINS oa 9 INPUT CONNECUON aparta pcia 9 INPUT nada 10 BALANCEDIN PUE 1 DUTPU TEO NNECTION costosa dido 1 WINS AER INGE OUTPUT arar aa 1 BALANCED PO area ban 12 CHANGING THE INPUT AND OUTPUT 15 GROUND q P 15 ENVIRONMENTAL 5 4624004020000 14 LEVELINDICATO Dread reino 14 BASIC OPERATIONS er er re rr E r
23. LO IE RESET TIME VOL METE anar 35 SAVE NUMBER TEAVE N O noi cue dep oU EMERICUS 36 36 7 TECHNICALSPECIFICA TIONS urea a E 38 8 MIDI INTERFACE 39 MIDI IM CARD aaa 39 PARAMETER UST sarria orto apo 39 SYSTEM EXCLUSIVE 5 32 40 SSEM EXCLUSIVE COMMAND NUM BER ein 40 CHANGING A PABA METER essersi ume ao 41 REQUEST INFORM ATION WITH REFERENCE TO A PARAM ETER csee 41 ase nae akan eee esata einen 41 APPENDIX A SLAVE UNIT 2825 2 24 4 0 43 OPERATION anar od 43 CHANGING THE ALTOS DEALS xm OE ER 43 MEMORY MERGE CONFIGURATION MERGE sseeennnm m 44 MEMORY CHANGE con tyi Arena did RU ER dina 45 RECORDING MEMORIES FROM A MASTER UNIT 45 SLAVE NETWORK CONTROL FROM A 5 46 ee een re hr eT cr 48 NSN iE DIGITALLY CONTROLLED GRAPHIC EQUALISER 282 4 1 INTRODUCTION The Altair DEQ 282 unit consists of two Y 3 octave 28 band equalisers with digitally controlled constant analog filters The
24. NSMIT CH CONTROL MODE NAME MEMORY Choose the MIDI transmission channel MASTER STEREO NO NAME At A O from 1to 16 The equaliser will then transmit all of the MIDI commands through the selected transmission channel SYSTEM EXCLUSIVE SYS EX MEMORY When this option is activated ON the 50 00050 unit will receive and transmitin system exclusive When itis deactivated OFF the equaliser will transmit and receive in normal mode OTHER FUNCTIONS OTHERS CONTRO MEMORY a 5 yyspsan vy In other functions orb concepts like the anti feedback sensitivity change the times of bands and volume reset as well as the slave number that is going to control the master IEEE T WR a B CHANGING THE ANTI FEEDBACK SENSITIVITY SCAN SENS e CONTROL MODE NAME MEMORY This option selects the input sensitivity MASTER STEREO NO NAME _ 34 in the SCAN AUTO process The HIGH selection 15 ideal for low inputsignals and SCAN SENS uL the LOW selection is ideal for high input ux tr mn signals The SCAN AUTO mode will be more rnnt sensitive when you select HIGH therefore it a ia can pick up external differences which will confuse the feedback indicator BANDS RESET TIM E BANDS TIM E CONTROL MODE NAME MEMORY MASTER NO NAME 1 1111A54111111111114 With the bands reset time you could T choose the time that will be selected a band when you
25. SELECT KEY CONTROL MODE STER STEREO PARAMETER CONTROL POWER SWITCH 25 50 K B 160 115 630 IK 50 200 3 or DIGITALLY CONTROLLED GRAPHIC EOUALISER DEO 282 a O 7 i ALTAIR C EQUIPOS EUROPEOS ELECTR NICOS MADRID SPAIN MODEL DEQ 282 VJ Ver 7155 od odu TA FUSE WITH SAME RATINGS 10dBu ES UA EI 220 240V TO SA THIS EQUIPMENT MUST BE EARTHED FLOATING BALANCED OUTPUTS BALANCED INPUTS 230 VOLTAGE SHECTOR SENSITIVITY INPUT OUTPUT SENSITIVITY SWITCH BALANCED OUTPUTS MAINS CONNECTOR AND FUSE HOLDER EARTH LINK EB EARTH LINK SWITCH BALANCED INPUTS OUT THRU IN di e MIDI INTERFACE oe xo 2 So DIGITALY CONTROLLED GRAPHIC EQUALISER DEO 282 7 3 WORKING PRECAUTIONS The manufacturer is not responsible of any damage occurred in the graphic equaliser unit outside the limits of the warranty or those produced by not keeping in mind the working precautions Always operate the unit with the AC ground wire connected to the electrical system ground Precautions should be taken so that the means of grounding of a piece of equipment is not defeated Mains voltage must be correct and the same as that setting on the rear of the unit voltage switch Damage caused by connection to improper AC voltage is notcovered by Mi any warranty DANGER Do
26. SLAVE unit will record automatically in the memory in which the SLAVE unitis configured The control of various slaves could also take place by means of a computer that provides a MPU 401MIDI card or compatibles and a MIDI control software A specific software R E C also exists designed for the computer control of the DEQ 282 DEQ 2825 units marketed by ALTAIR The MIDI connection with the computer it is exactly the same as with a MASTER 23 DIGITALY CONTROLLED GRAPHIC FOUALISER DEO 282 8 9 WARRANTY This unitis warranted by Equipos Europeos Electr nicos to the original user against flaws in the manufacturing and in the materials for a period ofone year starting from the date of sale Flaws due to wrong use of the unit internal modifications or accidents are not covered by this warranty There is no other warranty expressed or implicit Any faulty unit must be sent to the dealer or the manufacturer The serial number of the unit must be included with any request for the technical service Equipos Europeos Electr nicos reserves the rightto modify the prices or the technical specifications without notice SERIAL NUM BER EQUIPOS EUROPEOS ELECTR NICOS S A L Avda de la Industria 50 28760 TRES CANTOS M ADRID SPAIN E 5 4 1804 32 65 d 34 34 1804 43 5 altair altairaudio com ens European Union Waste Electronics Information Uni n Europea Informaci n sobre residuos
27. T 14 EQUALIZING BAND sosa ato 14 EO VAHAN G WI BAND KEL RITE 15 USING THE PARAM ETER CONTROL TO 0 2022 41 606 15 CHANGING THE ACTIVE EQUALISER 2 2 2 4244 0 15 CHANGING THE VOLUME OF THE ACTIVE 16 BONO rT ee et er ct EPI DURS 16 PR O MODE eee oe A ee ee ria 1 CHANGING FROM STEREO TO DUAL 5 18 BYPASSING AN EQUALISER anar 18 CHANGING THE VISUAL MODE 00 i ron no roo no nro nr r norris 18 CHANGING ICD CONTRAS Tas raid 19 FLATTEN THE ACTIVE EOUALISER nia rro aid 20 WORKING WITH MEMORIES 20 RESTORE A PREVIOUSLY STORED EQU AUSER 1 6 mmn 21 DIREC EMENTRCACOESS 22 STORING AN EQUALISER SETUP IN 200 22 COM PARING THE ACTIVE EQUALISER SETTINGS WITH A 23 23 p ula IU iere oracion 24 CHANGING THE MEMORY NAME taa 25 CHANGING THE CUT FREQUENCY OF THE HP LP 26 6 ADVANCED FUNCTON 21 sje ep 555
28. TEREO DUAL mode used by the equaliser When working in DUAL mode the equaliser will scan the active channel atthat time and in STEREO mode it will depend on the volume change selection used If LorRhave been selected it will work as in the DUAL mode If the level change has been selected for both channels it will scan L but will simultaneously raise the volume in both channels Please remember that when in STEREO mode both channels will remain the same therefore when a feedback is found independent of the selected channel both channels will be modified simultaneously ACCESS TO THE ADVANCED MENU FUNCTIONS The menu and its functions were explained previously for whatwe won t repeat again All the sections that have left us of explaining us in the util menu they lead to a new page related with the section that you have chosen Whenever you wantto go up to the previous menu we simply will press the NO key and when you wantto access to a certain parameter you simply will press the YES key For what in order to leave from a certain menu until arrive to the main menu where if you wantto leave of the util menu press the NO key again In order to change the parameters you will use the parameter control and once changed you will press the YES key so that the change has effect If you pressed the NO key the parameter wont change of value M EM ORY SETUP M EM ORY CONTROL MASTER The memory setup allows you to vary three parameter
29. ameter control you will rotate the parameter control until find the wanted character when you turn the knob towards the right the character numbers will increase and when you tum the knob towards the left they will decrease When you find the character push the YES key to fix its positon and go to the next character until you have defined the eight characters In order to pass to the previous character if itwas wrong press the NO key MODE NAME MEMORY CONTROL MODE NAME MEMORY CO 9 D NAME MEMORY STEREO NO NAME ni STER STEREO HO MAME Hl 1 01 2 MEE ALS LSD aK 16K gt m 125 gt 9K 16 xk 16 50 162 315400 Kron 40 so io 19 0 315400 Kio Sao Keka Kron CONTROL MODE NAME MEMORY CONTROL MODE NAME MEMORY o MEMORY STER STEREQ NO NAME 21 STER STEREO MAME Hl a 125 25 301g 160 200 SK 16 ERE C Pu K 6K3 10K 12k 40 50 30 100 1 200 63 105 DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 26 The available characters are arranged in the following table These characters are used for memory names and access codes 43 0 1 2 3 4 5 6 1 9 EA en H ld K LMN 5 T U VWX YZ 1 A O MC fed A fit it 1 5 pe aye gt BN
30. ameter control you will rotate to the rightif we want to raise the contrast or to the left if we want to lower it MEMORY ROL MODE NAME E RED HNO CONTROL MODE NAME MEMORY 41 TUE C E MU ES MASTER UNT DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 2 FLATTEN THE ACTIVE EQUALISER In order to make one of the active equaliser bands flat all bands equal 0 dB press the FLAT key The FLAT key works in a different manner depending on whether one or more bands have been selected it will only flatten those bands selected at present In stereo mode it will act over both channels at the same time In dual mode it will only act over the active equaliser and the other channel will remain unchanged Once we have pressed the FLAT key a window will appear asking us if you want to flatten the equaliser or the active bands depending on if there are selected bands or not if you pressed the YES key it will leave to O dB the equaliser or the selected bands and if you pressed the NO key it will remain unchanged CONTROL MODE NAME MEMORY STEREO HO STEREO HO HA MAS TER STEREO WO 101 TER STEREO NAME n 4 MIMI Ti CONTROL MODE NAME MEMORY z MASTER STEREO WO MAME 5 E RED MAME CONTROL MODE MEMORY EES STER STERE ER STEREO D 01 2 63 125 250 500 1k 2K 4k 8k 16k R B D M B 00 EC UNE K 3K 6K
31. d the leftto lower the volume CONTROL MODE NAME MEMORY STER DURL L HO 25 PE Ji 31 63 125 250 I 3k 16 R B CONTROL HA MEMORY 5TER DUAL L Hf t VOLUME Le Ar rr 31 63 125 250 500 Ik 2k ak 16k R CONTROL MODE NAME MEMORY BPUAL R 0 HAM 11111111111 A HT 1 1 TT 5 B1 Ms Q9 DIGITALLY CONTROLLED GRAPHIC FEOUAUSER DEO 282 STEREO When in stereo mode the active equaliser will always be L This is the reason why there is a channel inverted in the menu area that shows which equaliser will be affected by the change in volume The equaliser also includes a mode in order to change both equaliser levels at the same time maintaining the existing relationship between levels When in this mode both channels are inverted In order to change the mode press the channel select key as when selecting the active i CONTROL MODE NAME MEMORY CHANNEL UR CONTROL MODE NAME MEMORY MASTER STEREO NO NAME _ i E ASTER STEREO NO NAME 01 T L 5 rowa 9 0 RENNES 16K IN ENS KC ese Ss TO 50 100 90 20 29400 090500 emen xin SK 6K3 1 2K MODE NAME MEMORY STEREO MO MAME _ May 95 gg 5 250 500 IK KK BK 186 so io 190 3540 930 Kiko 2 5 Keka In order
32. e its settings nor will itchange its work memory Past aboutsecond will appear again the memory change window in the display pressed again the RECALL key the memory number will advance a number Upon arriving to the selected memory you will press the YES key in order to confirm the memory change or the NO key in order to cancel the process CON TROL MODE NAME MEMORY TER STEREO HO NAME 02 RECALL M 92 3 JAre you sure A TES HU gt A 8 RET so 30 100 5400 63 M RY CONTROL MODE NAME MEMO MASTER STEREO MAME i 1 E IE LES M L IM CONTROL MODE NAME MEMORY CONTROL MODE NAME MEMORY iii ER MASTER STEREO HO MAME Tal MASTER STEREO A HAME e PARAMETER Rb WHEEL EIE Ted 55 CT 405g 80100 8 Mr VO 4059 80100 630 0200 Y 2 In order to change the memory with the band keys you simply will press the band key it is the same the band key that the band key corresponding to the memory number that we want to recall the band keys of 31Hz correspond the memory 0 and so forth even the band keys of 16KHz that correspond the memory 27 Itis necessary to be careful since upon changing the memory with this method notrequests your confirmation MODE NAME MEMORY CONTROL MODE NAME MEMORY TER STEREO 0 MAME STEREO TI O AIK ae 59 90 100 160 200 Wang 030 200
33. e second slave until the end of the line with of maximum of 16 DEQ 282 Once this option is selected the parameters stored in the master unitare transmitted to the others located in the MIDI network SLAVE 2 RECEIVE CH 2 SLAVE 1 RECEIVE CH 1 MASTER OMNI OFF OMNI OFF MIDI MIDI MIDI OUT THRU IN OUT THRU IN OUT THRU IN LIU The slave number of the equaliser corresponds to the MIDI reception channel RECEIVE CH located on the midi page The slave number controlled by the master unit is located where the memory number usually appears The slave to master change is carried out just like the memory change In other words in order to setup a link of slaves each of the slaves connected to the link must be assigned with a number between land 16 Setup this number in its MIDI setup as a MIDI reception channel RECEIVE CH and select OM NI OFF mode If the OMNI parameter is ON it will receive all of the MIDI parameters regardless of the MIDI reception channel When changing the MASTER equaliser the equalised sequence will not change DIGITALLY CONTROLLED GRAPHIC FOUALISER DEO 282 37 Press again the SLAVE key in order to change the equaliser to SLAVE mode in a MASTER mode equaliser NAME MEMORY CONTROL MODE NAME MEMORY e MEMORY AL L SLAVE Di Hl 5LAVE DURL L SLAVE 01 21 MASTER STEREO MAME 01 631 9 31 4 s
34. e selected this channel is displayed by an inverted character in the menu area where are displayed the general gain levels or in the display upper area where Is indicated the working mode STEREO DUAL Lor DUAL R The band keys will affect on the Lor R symbol that Is inverted 1 in DUAL mode in the display zone where its indicate the working mode the channel will also be indicated on which it will act DUAL Lor DUAL R and in STEREO mode the band keys will affect on both channels Once you have determined which equaliser you want to modify refer to section CHANGING THE ACTIVE EQUALISER for more information select the band by pressing the corresponding band key or 2 When pressed once the corresponding band will invert and blink 3 and a window will appear on the display with the corresponding frequency and gain 4 If any other band key is pressed the initial band will also remain selected but it will stop blinking The other band will also remain selected multi selecting The band will stop blinking and the new band will begin to blink indicating the last frequency and gain that has been selected 4 in the display window You repeat this process until all of the bands have been selected o a o 9 Minis LE 0 dB 31 Hz If no other band has been selected or if you do nottouch the right knob after a while the equaliser will automatically deselect all bands and will re
35. ellow Green Earth keeps in mind this mains configuration whenever handle the graphic equaliser plug DIGITALLY CONTROLLED GRAPHIC EQUALISER 282 Q INPUT OUTPUT THRU esa eepuace ruse wma same ramos 9 se 6 mts ves JAOV TO SA MUST BALANCED ea BALANCED INPUTS 00 1 Make sure that the graphic equaliser power switch is at position 0 turned off 2 Insertthe female I E C connector plug into the graphic equaliser male connector placed at the rear panel 3 Insertthe male connector plug into the mains socket Turn on the graphic equaliser power switch In that momentthe LCD screen will light indicating thatthe graphic equaliser is turned on CAUTION Make sure that the mains voltage and the fuse ratings are correct INPUT CONNECTION The graphic equaliser input signal is carried outthrough two XLR 3 31female connectors one per channel The input connections are balanced with a nominal impedance of 20 unbalanced The input connection depends on two factors the first is the type of input signal balanced or unbalanced and the second the ground configuration of the sound source floating or ground referenced The next pictures shows some ofthe different possibilities of connection relying on the type of input signal balanced or unbalanced and according to the ground configuration of the equipm
36. ent floating or ground referenced In the next diagrams we use the following symbols __ Sound source with mains cord without ground connection Y Sound source with mains cord with ground connection A d 4 Sound source with EARTH LINK OFF Ad Sound source with the EARTH LINK ON UNBALANCED INPUT This type of connection will be used when the sound source doesn t provide balanced output If itis possible will be employed the connection type 1 DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 10 1 Using twin lead shielded cable GRAPHIC EQUALISER SOURCE 2 GRAPHIC EQUALISER GRAPHIC EQUALISER SOUND SOURCE GRAPHIC EQUALISER SOUND SOURCE Ground referenced sound source AS AAA DIGITAUY CONTROLLED GRAPHIC EQUALISER DEO 282 11 BALANCED INPUT GRAPHIC EQUALISER SOUND SOURCE GRAPHIC EQUALISER SOURCE The graphic equaliser output signal is carried outthrough two XLR 3 32 male connectors one per channel The outputs are balanced with nominal impedance of 100 The output connection depends on two factors the first is the type of inputsignal balanced or unbalanced and
37. er control you will turn it towards the right or towards the leftto decrease or increase the memory number and it will disappear the memory Store window in the display The control is looped therefore whenever you reach the end you will return to the beginning and viceversa When you stop moving the parameter control the equaliser settings that were stored in that memory will appear on the display and the memory title will be indicated in normal mode thus allowing you to see previously stored memories without having to change the equaliser setting In other words the equaliser will not change its settings nor will itchange its work memory Past aboutsecond will appear again the memory store window in the display If we pressed again the STORE key the memory number will advance a number Upon arriving to the selected memory you will press the YES key in order to confirm the memory store or the NO key in order to cancel the process DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 ee 23 STER STEREO HD HAME 02 gt Dre 2 4 5 P NU hmmm CONTROL MODE NAME MEMORY MASTER STEREO HD MAME 401 COM PARING THE ACTIVE EQUALISER SETTINGS WITH A MEM ORY You could compare the working memory with any of the stored memories for this simply will press the COMPARE key in that momentthe memory number will begin to blink the stored memory will be shown atthe same time thatthe equaliser changes their bands and
38. er unit is disconnected from the mains ea Set up the voltage selector placed atthe graphic equaliser rear panel in the desired position RY PRE M DIGITALIY CONTROLLED GRAPHIC EQUALISER 282 8 J Graphic equaliser setup 15 VAC Graphic equaliser set up 230 VAC 3 Make sure that the fuse is the rightone for the selected voltage FUSE 230V 50 60 Hz FUSE 115V 50 60 Hz TIA T0 5A CHANGING THE FUSE The graphic equaliser unit is factory set up with a slow blow T0 5A FUSE adequate to work with a mains voltage between 220 240 VAC 50 60 Hz 1 Make sure thatthe graphic equaliser unit is disconnected from the mains The mains connector and fuse holder is placed at the graphic equaliser rear panel The fuse holder is a box located below this mains connector Take out the fuse holder 3 Upon extracting the fuse holder the fuse will appear Remove itand change for a new one Insertthe fuse holder into the mains connector again NOTE The fuseholder provide a place for a lodging for a reservation fuse CAUTION Always make sure upon changing the fuse that this is the adequate for the selected mains voltage TIA for 15 VAC and 10 5A for 230 VAC CONNETION TO THE MAINS The connection of the graphic equaliser to the mains takes place by means of a three wire cord provided by the factory The European standard colour code 15 Brown Live Blue Neutral and Y
39. essary a configuration change for a long periods of time with the advantage that nobody except the installer could change the slave unit setup Firstat all we should have setup the memories in the master unitthat we wantto record in the slave one Remember that is importantthat the memories have an adequate volume to avoid an abrupt level increase when we turn off the unit Once you have configured the memories setup the D M A key so that it goes from the first memory that we want to record until the lastone for more information on the D M A key see previous sections Connecting the MIDI cables according to the following diagram DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 2820 46 SLAVE MASTER MIDI MIDI THRU OUT N ES ES The reception and transmission MIDI channel must be the same in the MASTER unit and in the SLAVE one Once connected the equalisers via MIDI according to the previous diagram press the D M A key of the MASTER unit The SLAVES display will begin to blink this means that itis receiving MIDI commands When the SLAVE unit stops blinking press the D M A key of the teacher again and so until you have passed for all the memories that you wantto record SLAVE NETWORK CONTROL FROM A MASTER In dynamic installations in those more than one SLAVE unit are control 15 necessary a real time control from a DEQ 282 in MASTER mode First we will program in each s
40. filters setting and appears an intermittent window that indicates you that itis comparing the working memory with the stored memory MASTER STEREO MO MAME MASTER STEREO MO MAME 81 AN CA k 3 T nar 0 40 0 m the working memory with any ue Mama e ira move the parameter control until arrive to the wanted memory CONTROL MODE NAME MEMORY CONTROL MODE NAME MEMORY MASTER STEREO NAME MASTER STEREO HO HAME FA JA 4 55 COMP PARE E key again the YES or NO mem to exit the comparison mode of two memories or wait for a few seconds until the function resets When in the compare mode you can restore the memory settings that are being compared or stored the working memory in the memory that are being compared Press the RECALL or STORE key depending on what we wantto make recall or store respectively at the same time that it exits the compare mode COPY AND PASTE M EM ORIES Copy and paste memories allow repeating a certain equaliser setting in other memories easily and so many times how you want Keep in mind that the copy of the equaliser setting is total except for the name of the memory The operation is identical so much in MASTER mode like in SLAVE mode the MASTER and SLAVE modes will see later on ADVANCED OPERATIONS DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 recaen 24 You could copy and paste memories of a comfortable form In order to copy the working
41. h a window in that appears its frequency and gain When in SCAN mode the STEREO DUAL setup will have the same functions as in the normal mode Channel changing is carried outas in the normal mode but there are certain limitations since you cantsee the frequency response save the memory change the high or low filter etc EQUALIZING TO INDUCE THE FEEDBACK CONTRO o MEMORY This mode is used to induce feedback All pH M deiude of the SCAN mode setups will appear in this HANBE scan HOD mode with an up pointing arrow for ae example 7 3dB 7 and 9dB The 10 400 21 6 3Kl 6K3 decibels 3 6 9 represent how you will enhance the selected band and the attenuation that will be carried out if a feedback is found To equalise in this mode selectthe decibels that you wantto enhance as explained in the previous paragraph The decibels will be enhanced in the selected band By using the volume keys place the unit nextto the feedback without causing the feedback Turn the parameter control when you turn the parameter control towards the left you decrease the frequency and when you turn the parameter control towards the right increase the previous band will deselect returning to its previous value and the next band will be enhanced Press the YES key if the system carries outa feedback when passing through the frequency and the band corresponding to that frequency will dec
42. he scan mode will appear If you press the YES key the equaliser will return to the normal mode CONTROL MODE NAME MEMORY zu CONTROL MODE NAME MASTER STEREO NAME WASTER STEREO HO MASTER STEREO MO MAME _ A 1 Mee 556571 MONTHS The SCAN mode is notreset ri a v seti of time you must therefore press the SCAN key to activate or deactivate this mode If you turn off the equaliser while the SCAN mode is activated it will return to normal mode The SCAN mode setup is as follows AUTO T 6dB 9dB X Y 4 3 4 6 dB and J 9 dB The default setup when starting up the equaliser for the firsttime is X Y Once this is changed however it will always start up in the mode that was saved last Press the UTIL key to select a specific set up and a window with the available setups will appear in that moment Whenever you move the parameter control the mode will change towards the right or towards the leftin the order that was previously indicated DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 e 76 CONTROL MASTER STEREO the ae piece te YES key and a help scan mode that you select will appear and if you press the YES key again to confirm the equaliser will set EP in mode BUE press the is s d lol as remain in it last mode MODE STEREO A qu wil be aceti In 1 this made a itwil appear with a differenticon nd wit
43. i Remember that communication is unidirectional Therefore if you vary one slave the master will notdetect this modification The equaliser has sixteen memories in MASTER mode which are independent from the one hundred memories in normal mode DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 36 7 TECHNICAL SPECIFICATIONS DEQ 282 TECHNICAL SPECIFICATIONS NUMBER OF BANDS 28 28 Y 3 octave ISO standard frequencies FILTER TYPE Constant Q band pass CENTER FREQUENCY ACCURACY Better than 4 of nominal MAXIMUM BOOST CUT 1 dB at 1dB steps LF FILTER HPF 12 dB octave selectable on Y 3 octave spacing from 20 Hz FLAT to 500 Hz HF FILTER LPF 12 dB octave selectable on Y 3 octave spacing from 15 KHz to 30 KHz FLAT ia denseso OUTPUT SENSITIVITY Selectable between 0 and 10 dBu MAXIMUM INPUT LEVEL 21dBu with all band flat INPUT IMPEDANCE 10 KQ unbalanced 20 KQ balanced COMMON MODE REJ ECTION RATIO C M R R Greater than 60 dB 20 Hz to 20 KHz 322 dBu into 600 Q 0 1 THD 100 Q balanced Greater than 108 dB ref 20 dBu unweighted 20 Hz 20 KHz 40 3 dB 20 Hz to 30 KHz 100 working memories 16 slave memories non volatile CCFL 240x64 pixels graphic LCD with enlarged vision angle MINI IN OUT THRU Selectable 115 230 VAC 50 60Hz 12 4 5 Kg DIMENSIONS 482x89x210 mm I9 x 3 V2 x 8 34 NOTE EQUIPOS EUROPEOS ELECTR NICOS S A L reserves the right to modify
44. if you press the NO key it will remain unchanged The difference between the stereo and dual mode is that in stereo mode the R equaliser setting is the same as the L including the high and low filters except for the volume This means that when changing from dual to stereo mode you loose the R equalisation and its high and low filter setup If you change the value of one ofthe high or low filter bands when in stereo mode the other channels will also change automatically HA MASTER STEREO HO 01 lia ial MASTER DUAL L HR Ol p Bre wou gure E CRI car D BYPASSING AN EQUALISER Two specific keys are used to bypass an equaliser Each channel Land R has its own key Whenever one of these keys is pressed and if the equaliser channel is activated it will be bypassed and the corresponding indicator will lightup red LED A shape will appear in the channels menu line On the other hand if the channel was bypassed the corresponding channel will be activated the bypass indicator will turn off and the shape will disappear on the menu line CONTROL MODE MEMORY CONTRO MODE NAME MEMORY TER STEREO HO 91 MASTER STEREO HO HAME 1 ue L 5 A ra 125 250 500 2K n BK 16K 0 100 90 agg 315 00 920 san KZ 6 2K5 Keka This is a mechanical bypass it joins the input connectors to the output connectors pin by pin and it continuo
45. lave their MIDI channel between land 16 If you want that two slaves operate atthe same manner we will give them the same MIDI channel Connecting the units according to the following diagram SLAVE 03 SLAVE 2 02 SLAVE 1 01 MASTER MIDI MIDI MIDI MIDI THRU THRU l THRU THRU OUT IN OUT N OUT N OUT IN 31919 The connection will always be the same The MASTER MIDI OUT will be connected to first SLAVE MIDI IN The first SLAVE MIDI THRU will be connected to the second SLAVE MIDI IN and so until the end ofthe network The maximum number of SLAVES is 16 DIGITALLY CONTROLLED GRAPHIC EQUAUSER DEO 282 Once connected the slaves and selected their MIDI channel you will setup the DEQ 282 unit to MASTER mode Upon selecting this option the parameters stored in the MASTER unit are transmitted to the DEQ 2825 units located in the MIDI network The SLAVE number correspond with the MIDI channel number and the SLAVE unit controlled by the MASTER unit correspond with the number located instead their memory number The change of SLAVE unit controlled by the MASTER unit is carried out at the same manner as the memory change Upon changing the bands levels in a DEQ 282 in MASTER mode their own bands levels does not change to change the bands levels in a DEQ 282 in MASTER mode will return to the normal mode selecting SLAVE in the MENU The parameters received via MIDI for each
46. ll return to the first and if you turn the parameter control towards the left when on the first parameter it will return to the last Go to the parameter that you want to change press the YES key and if the parameter doesn tfinish in points you will access to the change window of this parameter if on the contrary the parameter finishes in points you will access to a submenu with more parameters in order to choose If you pressed the NO key you will leave from the menu of utilities If you are located in a submenu upon pressing the YES key you will access to the change of the parameter on which you are located the movement between parameters is carried out by means of the parameter control of same way that in the main menu and if we pressed the NO key you will return to the main menu If you are changing a parameter turn the knob towards the rightor towards the left to increase or decrease the parameter Some parameters form a loop in other words when they reach the end they will return to the beginning and vice versa and others do not In any case this is indicated in the parameter section Once select the parameter value you will press the YES key in order to validate it or the NO key if you don t wantto change it with what you will return to the main menu or to the submenu of which you left DIGITALLY CONTROLLED GRAPHIC FOUALISER DEO 282 225 We have described the normal operation of the menu mode There
47. m End of exclusive 4 5 DIGITALLY CONTROLLED GRAPHIC EQUALISER 282 43 APPENDIX A SLAVE UNIT DEQ 282S The slave unit DEQ 282S differ from the normal model in the user controls How we could see in the drawing the slave unit only provides three keys and two digit display However this unithas the same functions and it could carry out the same operations that a DEQ 282 This slave unit needs a control via MIDI one DEQ 282 or a computer with MIDI card and commercial MIDI software There is also available software specialised in the control of these equalisers the program R E C For more information on the program R E C contact with the commercial department The DEQ 282S front panel is represented in the next figure The rear panel is the same that in the DEQ 282 The BYPASS and LEVEL indicators have the same operation that in the model DEQ 282 Display Up key Mode key Down key OPERATION In this section we will see how change the MIDI channel the MERGE mode and the memory number in a slave unit The slave unit has two operation modes MIDI and MEMORY The key MODE commutes these two modes In the MIDI mode the display will show the MIDI channel selected and in MEMORY mode the memory numbers The two modes are distinguished since the MIDI channel will be a number between land 16 and the memory number will be composed by a memory bank between A and J and a number between 0 and 9 which
48. m the graphic equaliser ground EARTH LINK ON li OFF MAINS EARTH UNKED WITH THE GRAPHIC EQUALISER ELECTRIC GROUND EARTH LINK ON OFF MAINS EARTH UFTED FROM THE GRAPHIC EQUALISER ELECTRIC GROUND NOTE For security reasons the earth connection to the mains is linked with the unit chassis in both cases CAUTION Always operates the unit with the AC ground wire connected to the electrical system ground Precautions should be taken so thatthe means of grounding of a piece of equipment is not defeated For this circumstance NEVER lift the mains earth AC ground to avoid possible accidents For your security NEVER use ground isolator adapters instead it is recommended the EARTH UNK switch DIGITALLY CONTROLLED GRAPHIC FOUALISER DFO 282 4 ENVIRONMENTAL INFLUENCES When possible avoid directand extended sunlight exposure of the LCD screen Under these circumstances the screen will taint The LCD screen will return to its normal state under normal conditions LEVEL INDICATORS The three coloured LEDs indicates the biggest level in the three point where the check is made input volume and equalisation The level indicator becomes green when reaching 20 dBu orange with 0 dBu and red with 17 dBu When the red colour changes we have 3 dBu of headroom yet 3 BASIC OPERATIONS EQUALIZING ONE BAND For initial equalisation select equaliser refer to section CHANGING THE ACTIVE EQUALISER for more information Onc
49. n the menu area and indicated in the working mode DUAL L or DUAL R and that the active equaliser will always be when working in stereo moga MODE vmm m EST MASTER DUAL R NO NAME A The active equaliser will be affected by changes in volume except when in stereo mode Changes carried out in the corresponding bands will affect the active equaliser except in stereo mode where the changes will affect both equalisers CHANGING THE VOLUME OF THE ACTIVE EQUALISER The volume range is between 6dB and 24dB in increments of 1dB and a ee mode that corresponds to the next step to the left of 24dB The parameter control could be configured so that when there is not no selected function upon moving itchange the volume directly this 15 carried out in the menu of utilities gt security gt direct volume butin normal configuration it will be necessary to select first the volume pressing the volume keys or and either with the same keys or with the parameter control change the volume Any changes in volume depend on whether the equaliser is using the stereo or dual mode DUALMODE When dual mode you will press the volume keys or in that momenta display window will appear with the active equaliser volume indication and you will continue pressing it until obtain the volume wanted of the active equaliser or you will rotate the parameter control toward the rightif you wantto raise the active equaliser volume or towar
50. nd exclusive The parameters that have been requested have the same ID number and abide by the same law as those that appear in the parameter table However the system will notrecognise the following parameters STORE FLAT Land FLAT R When an equaliser receives a command requesting information concerning a parameter it will respond as it changing a parameter M EM ORY DUMP DESCRIPTION System exclusive status Manufacturer ID extension Manufacturer ID number Device ID number Model System exclusive command Memory dump End exclusive DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 47 When an equaliser receives a memory dump command it will send the actual memory settings The response format appears in the following table BAND 1L BAND 28 L BAND 1R BAND 28 R BYPASS L MERGE CHK LSB CHK M SB F H 247 DESCRIPCI N System exclusive status Manufacturer ID extension Manufacturer 10 number Device ID number Model System exclusive command First character in title Eighth character in title 31Hz Lband value 16 KHz L band value 31Hz R band value 16 KHz R band value bypass value R bypass value L channel volume value R channel volume value Low pass filter L channel value Low pass filter R channel value High pass filter channel value High pass filter R channel value Stereo Dual mode value Merge value LSB checksum MSB checksu
51. not remove the cover Removing the cover will expose you to potentially dangerous voltages There are no user serviceable parts inside CAUTION Protect the graphic equaliser unit from the rain and humidity Ensure that no objects or liquids enter it If a liquid is spilled into the graphic equaliser disconnect the graphic equaliser from the mains and consult a qualified technical service 494 Don t place the graphic equaliser unit close to heat sources 4 INSTALLATION UNPACKING Before leaving from factory each graphic equaliser was carefully inspected and tested Unpack and inspect the graphic equaliser for any damage that may have occurred during shipment If any damage is found doesn t connect the graphic equaliser to the mains contacts with the salesman immediately because the unit must be inspected by a qualified technical service Save the original packing you could use if you need to transportthe graphic equaliser NEVER SHIP THE GRAPHIC EQUALISER WITHOUT IT S ORIGINAL PACKING MOUNTING Itis always advisable mountthe graphic equalisers in rack either for mobile or fixed installations for protection safety aesthetics etc The graphic equalisers are designed for standard 19 rack mounting and occupy 2u rack space CHANGING THE VOLTAGE The graphic equaliser unit is set to operate at 230VAC 50 60Hz and at 115 VAC 50 60Hz Unless specified the unitis set to 230 VAC 1 Make sure thatthe graphic equalis
52. rease the selected decibels Press the YES key again if the feedback remains the same and the band will again attenuate those decibels In order to obtain a higher sound level raise the volume again to the edge of the feedback and continue this procedure EQUALIZING TO ELIM INATE THE FEEDBACK CONTRO MEMORY A IU HOLL E This mode is used to eliminate feedbacks within the system and all SCAN mode setups HANBE SCAR HODE that include an indicator with a down pointing arrow are included in this mode In other 1 1 J ES i 14 words 4 J J 9dB The 3 6 and 9 decibels are the attenuations that will be given to the selected band as well as its attenuation if the feedback is eliminated To equalise in this mode selectthe decibels that you wantto attenuate as explained in the previous paragraph Using the volume keys search one feedback By tuming the parameter control towards the right the previous band will deselect returning to its previous value and the next band will attenuate Press the YES key if the feedback disappears when passing through the 010 15400 K2 6 3 T Kio DIGITALLY CONTROLLED GRAPHIC EQUALISER 282 20 frequency and the band corresponding to that frequency will decrease the selected decibels If the feedback remains at the same frequency press the YES key once again In order to obtain higher level raise
53. s and to carry out one action change the band values during memory mult selection quickly or progressively restore a memory add two memories and configure the DMA key M EM ORY BANDS M EM POT CONTROL MODE NAME EE MASTER STEREO NO NAME This option is useful for band multi selection For example with the deactivated edilme 1 option OFF once all selected bands reach a Exin 7ND maximum level of 12 dB and then band 11 Mount levels are changes the values between the bands will stabilise atthe same levels With the active p the relation between bands is notlost the relative positions are maintained RESTORE A M EM ORY IN A QUICK OR PROGRESSIVE M ANNER M ERGE CONTROL MODE NAME MEMORY When this option is activated ON and MASTER STEREO NO NAME p 1 whenever you change the equaliser ASA memory the transition between different medie 25 filter levels volume high and low filters will gt be carried out step by step progressively i 1 J l e The transition is carried out by a constant ELM NU NC a change and not by constanttime therefore the transition time on the brisa between the memories When this option is deactivated OFF the transfer from one memory to another is carried outinstantly and abruptly DIGITALLY CONTROLLED GRAPHIC EQUALISER 282 3 ADDING TWO MEMORIES AD
54. se two equalisers can work in Dual mode where each is completely independent from the other or in Stereo mode where the right channel is a copy of the left Ergonomics has been carefully considered within the design therefore the main features are easy to use even if you are notfamiliar with the unit It also includes advanced functions for sophisticated applications that require further knowledge of the system One knob is exclusively used for adjusting channel levels while the other is used for general purposes for data insertion memory previews memory access changing band levels etc Direct band control is guaranteed by using 28 pairs of keys located beneath each band that appear on the display The DEQ 282 unit offers multiple possibilities for P A applications either manually or automatically such as the SCAN mode which eliminates feedbacks The feedback frequency appears numerically for easier use The main functions can be controlled via MIDI by using a computer with a MIDI card PC control accepts the existing software sold on the market as well as specific software for the DEQ 282 unit optional this allows for touch screen mouse and or keyboard control with 16 equalisers 32 channels Likewise the DEQ 282 unitcan work in a master mode which allows you to control 16 equalisers 32 channels Live music equalising and studio applications are amongst the applications offered by this equaliser These allow for instant equalising
55. second the two channels faders atthe same time the third the two channels frequency response atthe same time and the lastthe active channel frequency response The visual mode is selected by the user Each mode has its advantages and disadvantages When viewing both channels atthe same time you will have all ofthe equaliser information on screen however since each ofthe channels is represented in a smaller size the band levels are not as easily seen If however you prefer to see one channel there will be less information on screen and the channel will appear in a larger size allowing you to be able to easily distinguish each band level MODE NAME MEMORY STEREO 1 CONTROL MODE NAME MEMORY CONTROL MODE NAME MEMORY MASTER STEREO WO NAME MASTER STEREO WO NAME E is 00 nur 0 200 x 5K 6x3 CHANGING LCD CONTRAST You can vary the LCD Contrast with the CONTRAST key from 0 minimum to 15 maximum Wherever the contrast is varied the LCD view angle will also change You must therefore setthe contrast according to the angle that will be used when working with the equaliser The equaliser starts up with a default contrast of 5 In order to vary the LCD contrast you will press the CONTRAST key a window with the current value of the LCD contrast will appear and you will continue pressing it if you want to increase the LCD contrast itis looped once it arrive to 15 itpass to 0 or with the par
56. tem exclusive when n 2 64 SYSTEM EXCLUSIVE MESSAGES ALTAIR s MIDI implementation uses the following data format for all system exclusive messages DESCRIPTION System exclusive status Manufacturer ID extension Manufacturer ID number Device number Model System exclusive command Data End exclusive SYSTEM EXCLUSIVE COM MAND NUM BER The system exclusive command number indicates the MIDI transmission channel and the type of system exclusive command For example 1FH 31 1is a system exclusive command type and 15 5 the MIDI transmission channel Types of exclusive commands 1 Change a parameter 2 Request information on a parameter 3 Memory dump The MIDI transmission channel must be between 0 and FH 15 DIGITALLY CONTROLLED GRAPHIC EQUAUSER DEO 282 4 DESCRIPTION System exclusive status Manufacturer ID extension Manufacturer 10 number Device ID number Model System exclusive command Parameter to be changed New parameter value End exclusive The changeable parameters have the same ID number and abide by the same law as those which appear on the parameter table However in this case the system will not recognise the SYSTEM EXCLUSIVE and a new parameter appears PARAMETER NUMBER DESCRIPCTION System exclusive status Manufacturer ID extension Manufacturer ID number Device ID number Model System exclusive command Required parameter E
57. ter or rotating the rotor of change of parameters until find the wanted character In order to introduce the new password you have two methods either with band keys under each key is the associate character or rotating the rotor of change of parameters until find the wanted character In order to change the password with the parameter control you will rotate the parameter control until find the wanted character when you tum the knob towards the right DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 2820 34 the character numbers will increase and when you turn the knob towards the left they will decrease When you find the character push the YES key to fix its position and go to the next character until you have defined the four characters In order to pass to the previous character if it was wrong NO key ER d iri NAM pst MASTER STEREO HA In to erem the password with the under which are he associate character of each key how you can see each key has more than one associate character the access to the following characters is carried out pressing again the key band If we introduce the characters in this way the jump between characters of the memory name edition is automatic upon pressing a differentkey to the firstthat you have pressed or waiting for aboutsecond until jump to the following character so up to eight characters of which consistthe
58. the display window will disappear and over the equalisation name will appear the amount of dB s that have been modified by using the parameter control This gain will reset each time you select a band For example if you wantto raise the 800 Hz and 2K5 bands atthe same time first select them by pressing their corresponding band keys or 1 Once these have been selected 2 turn the parameter control towards the rightto increase 3 or towards the left 4 to decrease the band Since you are moving two bands atthe same time the display window will not appear and the gain will be relative 3 1 4 1 and will be indicated over the equalisation name Q 2 NAME MODE MAMAE CHANGING THE ACTIVE EQUALISER Press the channel selection key to change the active equaliser See Front Panel of DEQ 282 Modification of the active equaliser is only carried out when the equaliser is working in DUAL mode If the display mode is simple all of the equaliser faders will change indicating the selected channel if you are in it will change to R and if you are in R it will change to L The inverted text located in the general gain level menu area will change atthe same time If itwas an inverted it will become an inverted R and the L will return to its normal state and vice versa Remember thatthe active DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 0 equaliser is indicated by inverted general gain levels i
59. the volume again to the next feedback and continue this procedure This method is noisy when compared to the previous method since the unit must always be coupled but on the other hand itis more effective The selection of either method depends on the user s preferences XI Y EQUALIZING This setup differs from the SCAN mode approach but does however have common features X Y equalising is carried out with two controls First by rotating the parameter control in order to select the band and second pressing the or 16 gt band keys in order to adjust the band level The selected band value will always appear in the window area AUTOMATIC ANTI FEEDBACK Whenever you select AUTO setup in SCAN mode you will enter the automatic anti feedback mode When in the automatic anti feedback MES mode the memory name disappear and instead of ita line will appear indicating the feedback frequency whenever it exists if it does not exist a dotted line will appear indicating that no feedback has been found This mode is useful when you do not know what frequency is used by the unitto carry outthe feedback In the SCAN setup you can equalise justas in the X Y setup but if a feedback is detected its frequency will appear in the memory name place you can therefore access the closest frequency and decrease the band value You can also raise the channel volume up until the feedback appears and the equaliser indicates its
60. to change the volume in stereo mode the same as in dual way you will press the volume keys or ofthe volume in that moment a display window will appear with the selected volume indication and you will continue pressing it until obtain the volume wanted or you will rotate the parameter control toward the rightif you wantto raise the volume or toward the left to lower the volume The following diagrams indicate the three possibilities that are available in order to change the volume when in stereo mode CONTROL MODE NAME MEMORY CONTROL MODE 1 erre E ASTER STEREO 1 udi 21 TROL MODE ITA zm ASTER STEREO HRHE 1 VOLUME A MASTER STEREO MO NAME E 1 R _ oo Emm CONTROL MODE NAME MEMORY CONTROL MODE NAME MEMORY ASTER STEREO NO 1 VOLUME rta 9 MASTER STEREO NAME _ 34 A Oso m MORET ONTROL MODE NAME m 1 MASTER STEREO NO NAM ME DIGITALLY CONTROLLED GRAPHIC EQUALISER DEO 282 rea 0 CHANGING FROM STEREO TO DUAL OR VICEVERSA In order to change the working mode from stereo to dual or viceversa it is necessary to press and hold the channel selection key Lapsed about second a window will appear asking if you want to change the working mode if you press the YES key it will change the working mode and
61. tte icon a lock will appear on screen The lock may or may not be inverted depending on whether the equaliser memory coincides with what has been stored in the active memory number If you deactivate this option OFF the equaliser will allow you to store in he memory and the lock will disappear This option is for safety to avoid possible memory deleting It has no access code therefore itis available to all users who are familiar with the unit F IRST SECU RITY A CCESS CODE Fi IRST CODE CONTROL OJD NAME MASTER STEREO NAME This is the first security level Insert a four digit alphanumeric access code to pa ER LL activate it You can deactivate it by inserting a blank code 2 n ni IOAR B If this level is active when the unit is ME No NUT turned on it will prompt you to insert the access code ff no code or fa wrong code in inserted you will only be able to access the previously saved equaliser memories but no modifications can be carried out DIGITAUY CONTROLLED GRAPHIC EQUALISER DEO 282 33 SECOND SECURITY ACCESS CODE SECOND CODE This is the second security level Insert a four digit alphanumeric access code to activate it You can deactivate it by inserting a blank CONTROL NAME MEMORY code MASTER STEREO NO NAME M1 If this level is active when the unit is E LES
62. turn to its normal state The range of the bands is 12dB to 120 in 1dB increments The equaliser has 28 separate bands of 1 3 octaves per ISO standard The frequency ranges from 315Hz to 16KHz Band equalising is carried out in real time you can therefore hear the results as you adjust them Once you have selected the band s you can use two modes to equalise AE DIGITALLY CONTROLLED GRAPHIC FOUALISER 282 5 EQUALIZING WITH BAND KEYS Whenever you push a previously selected band key the band will increase or decrease depending on whether you press a or key Each time you press the key the band will be affected by If the key remains depressed the band will quickly increase or decrease USING THE PARAM ETER CONTROL TO EQUALISE Whenever you turn the parameter control located on the right hand side of the equaliser See Front Panel of DEQ 282 all of the selected bands will change levels atthe same time nothing will occur if no bands have been selected If you turn the parameter control towards the right the bands will increase and if you turn ittowards the left they will decrease Each step you turn the parameter control will correspond to 1dB depending on whether you turn it towards the rightor towards the left If only one band has been selected the display window will indicate its frequency and gain when you turn the parameter control If however various bands have been selected
63. us function when the unit is turned off In other words ifthe unitis not turned on it will remain in a bypass state and it will allow the signal to pass through the system CHANGING THE VISUAL MODE The LCD can be set up in order to simultaneously view one or both ofthe equaliser channels additionally it could show the equalisation by the value of each band faders or showing the real response of the equaliser spectrum When referring to real response we are referring to the frequency response or the amplitude variation in each frequency that is produced when equalising DIGITALLY CONTROLLED GRAPHIC FOUALISER DEO 282 This frequency response is produced when the signal passes through the equaliser and doses not consider external influences When viewing the equaliser frequency response you can equalise but you can t carry out a multi selection and move various bands atthe same time The equaliser frequency response allows you to see how one band interacts with adjacent bands This allow for improved equalising control If the equaliser shows the frequency response when you activate the SCAN mode it will automatically indicate the value of each band Whenever you exit the scan mode it will automatically indicate the frequency response Press the DISPLAY key to change this setup There are four visualisation modes thatare showed sequentially every time the DISPLAY key is pressed The firstshows the active channel faders the
64. ve four lines HP FILTER L LP FILTER L HP FILTER R and LP FILTER R and press the YES key In that moment the filter change window of will appear us with the filter current value 101 Turn the parameter control no looping in this case until you find the desired filter cut frequency when you turn the parameter control towards the left the filter cut frequency will diminish and when you tum the parameter control towards the right it will increase Once you find the filter value it will return to the main menu when you press the YES key If you pressed the NO key it won t be kept in mind the made change and you will return to the main menu Filter settings can be carried out as you are listening since all changes are carried outin real time 6 ADVANCED FUNCTIONS SCAN MODE When the equaliser is in SCAN mode you can equalise in order to eliminate the feedbacks in different ways by inducing feedback by suppressing feedback or by automatic mode You can also equalise using only one control Press the SCAN key to turn on the scan mode A help window will appear aboutthe scan mode setup and if you press the YES key the equaliser turn on the scan mode SCAN will appear in the memory number zone and its Sep n appear on line CONTROL MODE NAME MEMORY MASTER STEREO m f unitwas SCAN press mu de to return to Tode A lion to exit t
65. will give us a total of 100 memories ml 111 MEMORY MODE Ild 111 MODE MIDI MODE KEY CHANGING THE MIDI CHANNEL First place the slave unit in MIDI mode See previous section Press and hold the DOWN key until the display startto blink Once we will change the MIDI channel with the UP and DOWN keys If we do not touch any key the display will stop blinking after a while and will return to the normal state The same will occur if we press the MODE key DIGITALLY CONTROLLED GRAPHIC EQUAUSER DEO 282 44 PRESS AND HOLD THE DISPLAY START TO BLINK Ti b The midi channel number goes from 1until 16 buta special configuration exists rS located immediately after the midi channel 16 for units slaves with a serial number superior to 112 This configuration is used for setup the slave equaliser in the RS 232 mode and control itfrom the REC program from the computer serial port connected to the slave equaliser port RS 232 The cable in order to connect a slave equaliser in mode RS 232 slave with the computer follow the next diagram RS 232 CABLE COMPUTER DEQ 282S DB25 DB9 DB9 Receive data 3 Receive data 3 Transmit data 3 gt 3 Transmit data 2 Transmit data 2 Receive data 2 Ground 7 Ground 5 Ground 5 Request to send 4 Requestto send 7 Request to send 7 MEMORY MERGE CONFIGURATION First place the slave

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