DSC24 Manual
Contents
1. GAE Digital Sound Controller DSC24 User s Manual v 3 1 SAE Reference to EC statement of conformity This document confirms that the product GAE Digital Sound Controller DSC24 bearing the CE label meets all requirements in the EMC directive 89 336 EEC laid down by the Member States Counsel for adjustment of legal requirements Further more the product complies to the rules and regulations of the electromagnetic compatibility of devices and electrical safety This product bearing the CE label complies with the following harmonised or national standards EN55013 1 1996 EN55103 2 1996 EN60065 1993 IEC65 1993 and amendments 1 2 and 3 This product is also in accordance with 73 23 EEC Low Voltage Directive 89 336 EEC EMC Directive The product has been developed and manufactured in the European Union The authorised declaration and compatibility certification lies with the manufacturer and can be viewed on request The awarding of the CE label confirms the compliance with legal directives issued for the manufacture and marketing of electronic and electrical devices As such the CE label is not a seal of quality but rather proof that the device bearing the CE label is conform with the electromagnetic compatibility standards laid down in the above named testing regulations Liability and guarantee conditions Declaration of liability opal audio vertrieb GmbH accepts no liability for damage to loudspeakers amplifiers2. The following are just some of the operations possible with the DSC24 e 3 or 4 way PA mono processor e 3 way PA mono processor with sub bass output through Aux send e 2 way stereo processor e 2 way stereo processor with mono sub bass Aux e 4 output distribution system e Stereo parametric equaliser e Stereo delay line with EQ e Stereo compressor limiter The editing software for Windows 95 98 NT 2000 Me XP supplied with the unit is specifically designed for the modification of all parameters of the controller Please study the software instruction manual carefully before attempting to alter or build set up configurations This manual explains the functions and the performance of the DSC24 device Before the initial start up of the device please read the following indications and warnings e Read the User s Guide carefully It contains numerous pointers for the proper use of the device e It cannot be excluded that this user s guide shows typographical failings or misprints it is however regularly checked and proof corrections can be requested in the form of future updates e Modifications which serve the purpose of technical improvement of the device may be carried out without prior notification e Keep the original packaging of your DSC24 so that in the case of returning the device for maintenance it can be shipped originally packed We reserve the right to replace non original packaging on returning the device to the
3. Here it is possible to prepare the DSC24 to receive memory information from another unit 3 1 Receive Memo Prepare to CLON Receiving Data xx Program Name A Memory 1 Waiting for data UNDDODODODDDDED Sub menu 3 5 Update OS In this sub menu the Operating System of the micro controller can be updated to a new version For this process the user must use a special software provided by the manufacturer which contains the new OS software The message Updating system appears automatically when the controller starts to receive date from the computer 3 5 Update OS Update OS Updating system WARNING The Update OS process is a dedicated process that could render the controller useless should it not be permitted to finish Once the process has started it is imperative that it continues to the end This process lasts about five minutes On completion of the data transfer the controller performs an initialisation process and returns to the program window Technical Specifications Analog Input Input impedantie s aaa E 40kQ balanced GONNGCIOM 3 346 e reese eh ed eee ls XLR balanced AD Converter cccecececeeeeeeeceeeeceeeceeeeeeaeeeeeaesseneeenaees 24bit 96kHz 128x Oversampling Maximum input level eee eeeeeeeeeeenneeeeeenaeeeeeeaas 18dBu CME ee bee ale gt 50dB Gr sstalk 22 He er lt 90dB Radio frequency filter to avoid interference Digital In
4. or other devices that become damaged through the use of the DSC24 This applies to the regular as well as the improper or negligent start up and or installation of the DSC24 Also opal audio vertrieb GmbH accepts no claims in tort even from third parties based on speculations of alleged restricted or absence of function of the DSC24 e g cancellation of events Product guarantee Beyond the framework of the legal requirement opal audio vertrieb GmbH guarantees the DSC24 to be free from defects in material and workmanship for a period of 24 months after date of purchase As valid evidence for the beginning of the period of guarantee is the date of an official GAE distributor s issued invoice As manufacturer opal audio vertrieb GmbH will replace faulty parts and restore defect modules within the period of guarantee if the defect has appeared under normal operating conditions The evaluation of a guarantee claim is acknowledged after our inspection provided that the device has been returned freight and carriage paid and in the original packaging Excluded from guarantee are faults incurred by improper electrical or mechanical connection or as a result of transport or accident This guarantee is voided by any unauthorised repair attempts or by the removal or alteration of the device s serial number Contents of packaging The standard packaging of the DSC24 contains 1 GAE Digital Sound Controller DSC24 1 approx 1 5m serial connection cable Su
5. owner In this case the packaging will be invoiced to the customer e Always pay attention to the sufficient cooling of the device during operation This especially applies when installing in racks above other heat generating devices e Never pull the mains plug by means of the mains cable Always pull the plug itself Be certain that the mains cable does not become crushed or damaged by sharp edges and never replace a damaged mains cable yourself e During operation and storage always protect the device from dust moisture and direct sunlight Only clean the device with a dry linen cloth In the case of strong soiling this can be moistened with water and a small amount of household detergent Never use cleaning agents containing solvents to clean the device Use only high quality cable material to connect the device Leave all repair and maintenance work to qualified technical personnel Any future guarantee claims will be invalidated by unauthorised manipulation The opening of the device is not required for operation as there are no user adjustable components located within the casing Solely to configure the Digital Input to receive signals either of the S PDIF or the AES EBU format will necessitate the removal of the device cover Never forget to disconnect from the mains before opening the cover The device including the mains cable and plug may not be altered or redressed The operation with an opened enclosure is not permitted Alwa
6. to the menus and sub menus and is for confirming actions Output Signal LEDs Green LED indicates signal present at output 2 Green LED indicates signal is 3dB below the Limiter threshold Red Led indicates that the C R l Dynamics Control function is in operation DSC24 rear panel RS 232C ANALOG OUTPUTS 9 INPUTS 9 9 9 9 ey 9 mans eur C C C C C C i T maa A Q B 2 1 2 2 2 3 o 4 o C O rana AES EBU IN Signal Inputs Female XLR connectors pin 2 hot Signal Outputs Male XLR connectors pin 2 hot RS 232C Connector Female sub D9 connector for PC communication via RS232C interface Digital Input Female XLR digital input AES EBU 32kHz 96kHz Internally configurable for S PDIF Power Supply IEC Connector The power cord is supplied together with the unit The DSC24 includes a precise switching power supply which operates with a mains supply from 85 to 264 volts and is continuously self regulating providing perfect functionality even with poorly regulated voltages Main Fuse External 1A fuse access and spare fuse Mains fuses cannot prevent an unexpected malfunction of electrical components rather they should protect the user and its environment from damage For this reason never try to substitute the mains fuse by any other than the specified M1A type 1A medium slow behaviour Never try to repair or bypass a blown mains fuse Overview DSC24 Block Diagram DA Conver
7. b D9 for the connection to a serial PC interface COM 1 IEC mains cable Packaging elements PE cover CD floppy disk containing controller software and user manual s Introduction The digital signal controller DSC24 is a modern loudspeaker system controller designed for a maximum of operational safety 2 Inputs and 4 Outputs enable its use in 2 way stereo operation or for the driving of 3 to 4 way combinations in mono operation A system data base for GAE loudspeaker configurations with all relevant system parameters is available for simple download to the device Furthermore the DSC24 offers totally unrestricted system configuration possibilities by means of the Microsoft Windows software supplied with the device Functions and characteristics of the DSC24 e High resolution 24 bit converters with 96KHz sampling frequency e Digital Input with sample rate converter Mathematical standard filters with up to 48dB octave or in custom mode free filter parameter definition up to 8 order Internal summing of inputs A amp B forming a third input signal Input delay stage with six parametric EQ s for individual tonal definition Precise limiter function with gain and noise gate features for each output Each output combined with six system correctional parametric EQ s and a delay stage for run time adjustments of each loudspeaker e Import of measurement data ASCII for complex equalisation of the connected loudspeaker systems
8. elects which signal type is to be input to the processor 1 9 Input Select A Analog Input D Digital Input Sub menu 1 10 Delay units With this menu it is possible to determine the units for the delay functions 1 10 Delay units Delay units milliseconds Meters Sub menu 1 11 Password This menu allows the setting of a Password for the protection of the stored memories and against unauthorised re configuration 1 11 Password OFF Back Password New Password Password ON kkkkk kkkkk Sub menu 1 12 Protect Here it is possible to protect individual programs in the units memory from being overwritten with new data 1 12 Protect 1 Name1_ Are you sure E 1 Name1 Are you sure E 1 Name1 Sub menu 1 13 Calibrate Here it is possible to force a new calibration of the A D and D A converters This process optimises the performance of the converters to achieve maximum sound quality 1 13 Calibrate Calibrating Menu Group INFORMATION The menu group INFORMATION provides information about the version of the unit s DSPs and the unit s memory Menu Group INFORMATION Sub menus Sub menu 2 1 DSP Version Here the current version of the DSP software is indicated It is possible to update the unit s DSP Operating System software with the PC software supplied with the unit 2 1 DSP Version DSPs v3 10 Sub menu 2 2 Prot Memor
9. ies The number of memories which are in protect mode 1 12 are shown in this menu 2 2 Prot Memories 6 Protected Menu Group COMMUNICATION The menu group COMMUNICATION provides access to the parameters available for the communication between two units This method is referred to as cloning and enables an exact copy of the information stored in the first processor the configurations stored in the memory and the DSP Operating System software version to be cloned to the second processor Menu Group COMMUNICATION Sub menus Sub menu 3 1 Prepare Clon Here it is possible to prepare the DSC24 to receive information from another unit and to become a clone of that unit 3 1 Prepare Clon Prepare to CLON Receiving Data xx Program Name A Waiting for data IUDOODDDDDODDOD Sub menu 3 2 Clone Here it is possible to prepare the DSC24 to send information to another unit to become a clone of this unit 3 1 Clone Prepare to CLON Sending Data xx Program Name A Press E to Start IUDDDODDDDODEOL Sub menu 3 3 Send Memory Here it is possible to transmit the memory information of this DSC24 to that of a second unit 3 1 Send Memory Prepare to SEND Sending Data xx Program Name A Memory 1 Press E to Start IIODDODDDDDDOE Sub menu 3 4 Receive Memo
10. in the tonal balance between different channels more effectively Attack and Release time constants are adjustable with an automatic option One of the great advantages of the multi channel dynamic control is the elimination of the typical pumping effect occurring when the limitation of some channels does not have control over the others The Limit control LEDs on the front panel are ON when the dynamic control is working A blinking LED does not mean that the channels limit has been reached when using CRI curves Input level can be increased until the Limit LEDs spend approximately the same time on as off A continuous lighting of the LEDs is to be avoided as audible tonal forfeits and a considerable loss of dynamics can be expected from the continual overloading In this situation although protected by the limiter the loudspeaker components experience a considerable loading which can significantly shorten their life expectancy GATE Independent noise gate per output These noise gates have been designed to provide a gradual switch off and an instantaneous switching on within the adjustable time parameters Operating Instructions Preliminary Set up Connect your source device to the controllers inputs Connect the controllers outputs to the inputs of the systems power amplifiers Connect the controller to the mains voltage The unit operates safely within a range of 85V 265V and 50Hz 400Hz After a short boot and self test process lasting arou
11. nd 10 seconds the device loads the last used preset releases the protective mute to the four outputs and is ready for operation At initial set up make sure that you only operate your system at low nominal signal levels doubly checking the correct speaker power amp link up of the particular channels S PDIF Digital Input It is possible to configure the Digital Input to receive signals of the S PDIF format To do this carry out the following steps Disconnect unit from the mains Open the lid of the enclosure On PCB C04 050 place jumpers J29 and J30 to change impedance to 75 and accept unbalanced signals Use XLR input connector wired Pins 1 and 3 Ground and Pin 2 S PDIF signal To return to AES EBU format simply remove the jumpers J29 and J30 Front Panel Displays and Function Keys To enable the programming of some of the functions of the DSC24 the unit is equipped with a 2 line 16 character LCD Display and 3 function keys 2 groups of LED bar graphs indicate the status of the DSC24 s operation The three function keys UP DOWN and ENTER enable the stepping through the selection and the confirmation of events within the unit s accessible menu s Menus The configuration menus available from the unit s front panel are split into three distinct groups 1 CONFIGURATION 2 INFORMATION 3 COMMUNICATION The sub menus of each of these groups allow access and easy configuration of the unit s available parameters Further config
12. put Input impedance urrnnssnnnnnnnonnennnnnnnnnnnannnn 1109 Gonnect t rt re iee Aaea aa aaia aaa iea XLR balanced FOPMALS e erteilen AES3 IEC 60985 EIAJ 1201 S PDIF jumpers Frequencies 2440400u04snnnnnnnnnnnannnnnnnnnnnnnnnannnnnnnnn 96 88 2 48 44 1 32kHz with autodetection Clock recovery uenunaennneennnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnn nn Internal via PLL Output Output impedance nursnsessnennsnnnnnnnenannnnnnnnnnnnn 202 balanced Bonneclor ame einen nennen XLR balanced DA Converter u nen siehe 24bit 96kHz 128x Oversampling Maximum output level uuennnnesennnsenennnnnnennnnnnnnn 18dBu Drive capably assegnano a R gt 6009 Level lOS Sinna a aa 0 3dB into a load of 600Q Output asymmetry rejection cc eeecsseeeesesteeeeeees gt 56dB 1kHz gt 52dB 16kHz Distortion SLID AEN esa ann lt 0 003 1dBFS DIMIOO 4 2 ar lt 90dB Noise 20HZ 20KHZ aaoo lt 96dBu unweighted Basic delay AD DA sesseect iver Hr een 0 72ms without any filters REMOTE pub cc3 e328 iets Heer eigen RS232 via SubD9female Digital signal processing Two 32 bit floating point DSPs with 40 bit of internal resolution Memory capability 19 Set ups Power supply 85 265V ac 50 400Hz Consumption lt 20W Dimensions H X W X D 1RU 19 275mm Weight eenensenennnsnnennnnnenennnnn 3 5kg
13. s Sub menu 1 3 Input Gain This window allows the setting of the individual gain for each input channel Gain values can be Mute 40dB to 10db in 0 1dB increments 1 3 Input Gain InA 00 0dB In B 00 0dB A B 06 0dB Sub menu 1 4 Output Gain From here it is possible to determine the output gain for each of the 4 output channels Gain values can be Mute 40dB to 10db in 0 1dB increments 1 4 Output Gain Outi 00 0dB Out 2 00 0dB Out 3 00 0dB_ Out 4 00 0dB Sub menu 1 5 Output Route Here it is possible to determine which input signal is routed to which output Routing possibilities are Input A Input B or Input A B 1 5 Output Route Out1 Input A Out 2 Input A Out 3 Input A Out 4 Input A Sub menu 1 6 MUTE Outputs With this menu it is possible to turn each output on or off X Output OFF Output ON 1 6 MUTE Outputs Outi X Out 2 X Out 3 X Out 4 X Sub menu 1 7 Output POL In this window the polarity of the output signal can be determined Output POLarity can either be phase or phase reverse 1 7 Output POL Out1 Out 2 Out 3 Out 4 Sub menu 1 8 Program N This menu allows the user to select a program from the unit s memory 1 8 Program N 1 1 Namet 2 Name2 4 19 Name19 Sub menu 1 9 Input Select This menu s
14. source The output gain adjusts the level supplied to each output DELAY Configurable delay Two delay stages are available At the input stage delays of up to 300ms 100m are available for system delay purposes such as delay towers etc The delay stage in each of the channels is available for time alignment purposes in the region up to 10ms 3 5m PEQ Global input equalisation Each input stage is provided with 6 user configurable filters These can be of the parametric low shelving 6dB oct or 12dB oct high shelving 6dB oct or 12dB oct highpass 12 dB oct lowpass 12 dB oct bandpass reject band and 1 and 2 order allpass types CROSSOVER Band separating filters Filters available are Linkwitz Riley Butterworth Bessel and Custom with adjustable crossover frequencies Q and slope up to 8 order It is also possible to by pass a filter without affecting the subsequent band in order to create a full bandwidth output PEQxX Independent output equalisation 6 filters per output with the same features as for PEQ DYNAMIC Specially designed independent C R l Continuous Ratio Increment dynamic curves are included in each output channel of the DSC24 Processor The dynamic curves work with a ratio depending on the signal level the relation 1 1 becoming progressively 1 as the signal level increases The resulting dynamic control is gradual and totally transparent offering much more headroom than traditional limiters and can mainta
15. ter 01011 en N J H euren 2 MEMORY 1 MEMORY 2 AD Converter 01011 10100 DA Converter 01011 PN A DSPI I DSP2 oe gt BUFFER AD Converter DJ 01011 10100 DA Converter o1011 J H purer MICROCONTROLLER 10100 D DIGITAL AUDIO RECEIVER 01011 01011 10100 10100 DA Converter FLASH FRONT F 01011 RS232 C Inemorv PANEL 10100 HIeurrer ey DSP Block Diagram A O ROUTER CROSSOVER PEQX DELAY DYNAMIC GATE Nr gt _ gt Ne SEE IN NV mn Rus gt GAIN gt La gt yee 26 xX we 7 DELAY PEQA A A NEUE gt GAIN gt i A mn I A A _ROUTER CROSSOVER PEQX DELAY DYNAMIC GATE kao le DA PE GAIN 4 A a DELAY PEQA B BO Em L A Or GAIN gt gt A B LEAR A O ROUTER CROSSOVER PEQX DELAY DYNAMIC GATE dag se D N A i gt GAIN 4 aL p DELAY PEQB RO o A en GAIN gt nn B m A OLROUTER CROSSOVER PEQX DELAY DYNAMIC GATE kar elt X N can a pe i BO AN n 1 GAIN Gain control The DSC24 features two gain controls The gain adjustable at the inputs regulates the signal level received from the signal
16. the 19 available memory locations Repeated pressing of the DOWN key enables access to each of the available sub menus Repeated pressing of the ENTER key in a sub menu provides access to each of the configurable parameters within the chosen sub menu Pressing the ENTER key at the end of the list of available parameters returns the display to the sub menu listing Only the available parameters for each set up and sub menu will be shown in the list of parameters Should no user activity be registered in a menu group or a sub menu for a period of about 12 seconds the unit will automatically return to the program window displaying the current set up loaded to the DSPs This is to prevent the inadvertent changing of parameters during normal operation Menu Group CONFIGURATION Sub menus Sub menu 1 1 In Delay gt ms Here it is possible to determine the input delay for each input N B If the inputs and outputs of a set up have been renamed via the software then these names will be shown in each step of the relevant sub menu Delay values can be 0 300ms in 1ms increments or 0 100m in 1m increments 1 1 In Delay gt ms InA 0 ms InB Oms A B 0 ms Sub menu 1 2 Out Delay gt ms Here it is possible to determine the delay time of each of the 4 output channels Delay values can be 0 10ms in 0 01ms increments or 0 3 6m in 0 01m increments 1 2 Out Delay gt ms Outi 0 ms Out 2 0 ms Out 3 0 ms Out 4 0 m
17. uration parameters are only accessible via the supplied configuration software On connecting the unit with the mains power supply the LCD Display shows a welcoming message During this time the unit is in a warm up and self test process allowing the DSPs to achieve a stable working temperature On completion of this phase the DSPs are loaded with the last used program from the unit s memory and is ready for operation The LCD Display shows in the first line the program number and name The second line shows the version number of the internal microprocessor software The letter A or D in the top right hand corner of the program window indicates the selected input signal Analog or Digital From this position the selection of each of the unit s 19 memory locations is accessible To select a new set up from the unit s memory simply step through the memory listing using the UP and DOWN keys On finding the memory required depress and hold the ENTER key until the progress bar in the display reaches the right hand side This takes about 3 seconds and is intended as a safety precaution against inadvertently loading a new program to the DSPs Access to the menu groups is achieved by the one time pressing of the ENTER key in the program window Each of the three menu groups can be selected using the UP and DOWN keys Menu Group CONFIGURATION The CONFIGURATION menu group is the main set of sub groups for the front panel configuration possibilities of
18. ys ensure the correct grounding of the device via the mains plug Never cover the grounding terminal of the plug by means of insulation material Mains fuses cannot prevent an unexpected malfunction of electrical components rather they should protect the user and its environment from damage For this reason never try to substitute the mains fuse by any other than the specified M1A type 1A medium behaviour Never try to repair or bypass a blown mains fuse High sound pressure levels can lead to irreparable injures to the human hearing In the region of the threshold of pain even physical impairment of the entire organism cannot be exempted Modern sound systems are designed for high sound reproduction levels and as such when improperly handled can cause injury to the human hearing organs Never expose anybody not even yourself to extreme high volume levels over a longer period of time DSC24 front panel gt DIGITAL SIGNAL CONTROLLER DSC24 INPUT up output _ gt OY A x Y oO ap oO i fe um O O 4dBu O O O 34B O 6 SIGNAL O OSIGNALO 6 ENTER O OAE Dow Input Signal LEDs Green LED indicates signal present at the inputs 2nd Green LED indicates signal 4dBu Red LED indicates that the corresponding AD converter is in clip Navigation Keys UP button allows navigation through the menus DOWN button allows navigation through the menus ENTER button allows access
Download Pdf Manuals
Related Search