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Manual Dynacord DSP 244

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  • Dynacord DSP 244 - page 1

    OWNER’S MANUAL DSP 244 24 BIT DIGITAL SOUND SYSTEM PROCESSOR 1-1 ...

  • Dynacord DSP 244 - page 2

    The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to ale ...

  • Dynacord DSP 244 - page 3

    CONTENTS TABLE OF CONTENTS PAGE SAFETY AND SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 1.1 DSP 244 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Dynacord DSP 244 - page 4

    1. INTRODUCTION First of all, we would like to thank you for and congratulate you on buying the DYNACORD Dig ital Sound System Processor DSP 244. To ensure an optimum in the performance of the appliance and to prevent any damage resulting from erroneous or inadvertent handling or operation, please read th is owner’s manual carefully, before opera ...

  • Dynacord DSP 244 - page 5

    2. CONTROLS AND CONNECTIONS 2.1 FRONT PANEL 1, Control INPUT 1 / INPUT 2 Rotary controls to set the input levels of the inputs 1 and 2 of the DSP 244. The input signal can be amplified by up to 6 dB (control set to its clockwise margin) or att enuated by any degree. Set the level as high as possible without clipping to achieve the highest possible ...

  • Dynacord DSP 244 - page 6

    8, STORE-key This key allows the user to store edited programs in one of the user-definable program preset s (U01 - U30) or to copy programs from one preset to another. For further information, please refer t o chapter 7.4, “STORE PROGRAMS AND PROGRAM NAMES”. 9, RECALL-key Pressing this key lets you enter the PROGRAM SELECTION mode where you ca ...

  • Dynacord DSP 244 - page 7

    2.2 REAR PANEL 17, Mains connector Connect the supplied mains cord to the mains connector. The DSP 244 is capable of handling mai ns voltages between 90 V AC to 250 V AC, so that switching the mains on the appliance is not nec essary. 18, RS-232 Interface This is the data communication interface between the DSP 244 and a PC. It allows unit conf igu ...

  • Dynacord DSP 244 - page 8

    3. INSTALLATION AND CONNECTIONS Correct connections is a vital factor in achieving the best results with the DSP 244. Befor e switching on the power you have to connect the supplied European standard mains cord to the DSP 244 and yo ur mains wall outlet. The power supply unit of the DSP 244 automatically adapts to supply voltag es in a range of 90 ...

  • Dynacord DSP 244 - page 9

    4. FIRST OPERATION 4.1 SWITCHING THE POWER ON Using the POWER-switch (16) the DSP 244’s power is switched on. Upon initializing is complet e, the last program that had been active before turning off the appliance is recalled. For now, the di splay shows: Now, the DSP 244 is ready for operation. The display shows for instance: Here, you have enter ...

  • Dynacord DSP 244 - page 10

    5. QUICK START This paragraph describes in an overview the most important steps for a trouble-free operation of the DSP 244 in your PA-system. For a more detailed description of specific functions and paramet ers, please refer to the corresponding paragraph in the handbook. MAINS CONNECTION Plug in the supplied mains cord. Since the integrated powe ...

  • Dynacord DSP 244 - page 11

    X-OVER SETTINGS In the Edit menu select the desired output channel by pressing the corresponding OUTPUT co ntrol. Then use the rotary encoder to select HIPASS XOVER in the display. Here you can set the low-cut fr equency for the selected channel. Using the SELECT keys, you are able to select the parameters “Type ” or “f” and edit their valu ...

  • Dynacord DSP 244 - page 12

    COMPRESSOR / LIMITER SETTINGS A compressor / limiter automatically reduces level peaks above a certain threshold and t herefore provides reliable protection against power amplifier clipping and damaging the connected loudspea ker systems. In most cases it is absolutely sufficient to set the compressor’s threshold to the modul ation limit of the c ...

  • Dynacord DSP 244 - page 13

    6. CONFIGURATIONS OF THE DSP 244 The DSP 244 offers 7 pre-defined configurations. A configuration is a basic setting tha t includes the routing of inputs and outputs, the function of the outputs (Sub, Lo, Mid, Hi, Fullrange), as well as the kind and amount of parameters. These 7 configurations are: - Stereo 2 Way - Stereo 2 Way / Mono Sub + Fullran ...

  • Dynacord DSP 244 - page 14

    6.1 Stereo 2 Way This configuration generally represents a 2-way stereo frequency crossover, where IN 1 serves as the left input channel and IN 2 as the right input channel. OUT 1 is the left Low-range output and OUT 2 is the left High-range output. OUT 3 and OUT 4 are the corresponding right Low-range and High-ran ge output channels. The parameter ...

  • Dynacord DSP 244 - page 15

    6.3 3 Way + Fullrange The 3-Way + Fullrange configuration is a 3-way monaural x-over with additional full rang e output where IN 1 serves as input channel. OUT 1 is the Sub-range channel, OUT 2 the Mid-range channel, OU T 3 the High-range channel, and OUT 4 is the Fullrange channel. OUT 4 can be used for example for mo nitoring, delayed full range- ...

  • Dynacord DSP 244 - page 16

    6.5 3 Way / Independent Sub + Fullrange As well as the two previous configurations, this configuration also represents a 3-way frequency crossover with additional full range output, with the difference that the Sub-range channel OUT 1 get s its signal-feed from the input channel IN 2. Thus, it is independent from the other output channels. The audi ...

  • Dynacord DSP 244 - page 17

    6.7 2-IN-4 In this configuration, all 4 outputs are configured for full range operation. OUT 1 and OUT 2 get their signal-feed from the input channel IN 1 while OUT 3 and OUT 4 are fed from the input channel I N 2. This structure is suitable for instance for the equalization of full range (wide-band) loudspea ker systems or passive multi-way system ...

  • Dynacord DSP 244 - page 18

    7. OPERATION The rotary encoder with push-button function for fast editing of parameter values, 6 funct ion keys, and the push-button function of the output level controls OUT 1 - 4 are the main controls of the D SP 244. With EDIT, OPTION, STORE and RECALL you are able to branch off to and also return from the corresponding menus. The SELECT keys a ...

  • Dynacord DSP 244 - page 19

    7 . 1 PROGRAM SELECTION The DSP 244 offers 30 user-definable program presets (U01 - U30) and up to 50 factory pre-pro grammed presets (F01-F50). Altogether you have the possibility to choose from this selection of up to 80 different programs. CAUTION: A program also defines the configuration and therefore also assignment of the inputs an d outputs ...

  • Dynacord DSP 244 - page 20

    3. Whenever the function block in the first line is selected, you are able to select another func tion block by using the rotary encoder (10). Pressing one of the controls OUT 1 - 4 lets you directly sel ect the function blocks of the corresponding output channel. 4. Using the SELECT keys (5) and (6) you are able to select the desired parameter and ...

  • Dynacord DSP 244 - page 21

    7.3 STORE PROGRAMS AND PROGRAM NAMES Whether you want to store an edited program, alter the name of a program, or copy a program fr om one preset location to another - in all cases the necessary procedure is the same. Pressing the STORE key (8) always starts and executes the saving procedure. You can also quit the Store menu without saving your res ...

  • Dynacord DSP 244 - page 22

    CAUTION! The program that was previously stored in this preset location is being erased! Please make sure, that the selected destination program number matches the number you want to save the program under. Pressing any other key cancels the saving procedure. After saving is complete, the Store menu is automatically quitted and the display might lo ...

  • Dynacord DSP 244 - page 23

    8. PARAMETERS Depending on its configuration and operation mode, the DSP 244 offers a selection of m ore or less different parameters. The parameters are assigned to the input channels IN1, IN2, IN1+2 and to the 4 output channels OUT1, OUT2, OUT3, OUT4. The channel number is indicated in the top left corner of t he display while the function block ...

  • Dynacord DSP 244 - page 24

    8.1 PARAMETER ACCESS Depending on the actual configuration, only certain parameters are relevant. To prov ide a better overview and prevent erroneous operation, in the STANDARD Edit mode only those parameters are acc essible. Additionally and to further improve operational comfort, corresponding parameters ar e linked. For Instance, in the Stereo 2 ...

  • Dynacord DSP 244 - page 25

    8.1.2 PARAMETER LINK-TABLE STANDARD Mode 1) FULL EDIT Mode Stereo 2 Way Stereo 2 Way / Mono Sub + Fullrange 3 Way + Fullrange 3 Way Mono Sub + Fullrange 3 Way Independ. Sub + Fullrange 4 Way 2-In-4 Full Edit IN1 / IN2 EQ YES YES NO YES NO NO NO NO IN1 / IN2 Delay YES NO NO NO NO NO NO NO IN1 / IN2 / IN1+2 Delay NO YES NO NO NO NO NO NO OUT1 / OUT3 ...

  • Dynacord DSP 244 - page 26

    Type describes the selected filter type. When selecting BYPASS, no effect is applied. PEQ provi des a parametric Peak Dip Filter with programmable frequency, quality, and gain. LOSLV / HISLV s tand for Low Shelving or High Shelving Equalizer, respectively. Their parameters are: frequency (f), slope, and gain. The parameters of the LOPASS / HIPASS f ...

  • Dynacord DSP 244 - page 27

    PEQ: f = 1kHz, Gain = -12dB Q = 0.5, 1.0, 5.0, 20.0 Low Shelving Filter (LOSLV): f = 200Hz, Slope = 6dB Gain = +3dB, +6dB, +9dB, +12dB High Shelving Filter (HISLV): f = 2000Hz, Slope = 6dB Gain = +3dB, +6dB, +9dB, +12dB Low Shelving Filter (LOSLV): f = 200Hz, Slope = 12dB, Gain = +3dB, +6dB, +9dB, +12dB High Shelving Filter (HISLV): f = 2000Hz, Slo ...

  • Dynacord DSP 244 - page 28

    MASTER DELAY These delay lines are located in the inputs IN1, IN2 and in the summed input signal IN1+2; all x-over channels are affected. For instance, this allows to feed different PA-towers at open air concerts with delayed sig nals. The delay times are displayed in milliseconds and microseconds while the equivalent dis tances (unit) are displaye ...

  • Dynacord DSP 244 - page 29

    CHANNEL EQ1-4 The four output channels of the DSP 244 employ a 4-band parametric EQ each which allow to pro gram additional equalization for the individual frequency ranges. This guarantees the opt imum frequency response that is matched to the connected loudspeaker components. Parameter Settings / Value range Default Type BYPASS, PEQ, LOSLV, HISLV ...

  • Dynacord DSP 244 - page 30

    Gain sets the degree of amplification or attenuation of the parametric EQ or the low shelvin g and high shelving equalizers. The setting is performed in steps with 1 dB-stepwidth. The Slope parameter describes the steepness or order of the filter for the low shelving or high shelv ing equalizers. By setting the low shelving equalizer’s slope to 1 ...

  • Dynacord DSP 244 - page 31

    HIPASS X-OVER The frequency crossover filter consists of a low pass filter in one channel and a high pass f ilter in the adjacent channel. Here, the frequency x-over filter’s Hi-Pass parameters are set. The para meters of the corresponding Lo-Pass should be set to the same values. An x-over filter provides the param eters “Type” and “f”. ...

  • Dynacord DSP 244 - page 32

    The f parameter (frequency) sets the x-over Lo-Pass filter’s cutoff frequency. The correspondi ng Hi-Pass filter should be set to the same cutoff frequency. Pol defines the polarity of the corresponding channel. Depending on the characteristic of the frequency crossover filter, inverting the polarity of a channel’s signal may become necessary; ...

  • Dynacord DSP 244 - page 33

    CHANNEL DELAY These delays are provided in the output channels OUT1 - OUT4. They are used to compensate d ifferences in loudspeaker dispersion plains that can be cabinet imminent or result from the positio ning of individual loudspeaker cabinets or arrays. The delay time or acoustical distance is displayed in milliseconds, microseconds, feet, inche ...

  • Dynacord DSP 244 - page 34

    COMPRESSOR The compressor automatically reduces level peaks above a certain threshold and therefor e provides reliable protection against power amplifier clipping and damaging the connected loudspea ker systems. Parameter Settings / Value range Default Thrsh 0.27V - 8.70V 8.70V Rat 1/1.0, 1/1.4, 1/2.0, 1/4.0, 1/8.0 1/2.0 Attack 0ms - 99ms 5 ms Rels ...

  • Dynacord DSP 244 - page 35

    LIMITER The limiter provides additional protection against the occurrence of clipping and overl oad conditions. The maximum level of the audio signal is limited to the set threshold value. The short attack t imes guarantee that even sudden peak levels are effectively attenuated. Parameter Settings / Value range Default Thrsh 0.27V - 8.70V 8.70V Rel ...

  • Dynacord DSP 244 - page 36

    9. OPTION FUNCTIONS The “option programs” offer several additional, important information and preference settings for the DSP 244. Using the SELECT keys you can choose between the following functions: - LCD CONTRAST setting - EDIT MODE selection - COMPR & LIMIT THRESH UNIT - setting of the compressor’s and limiter’s threshold unit - VU ...

  • Dynacord DSP 244 - page 37

    9.3 COMPRESSOR AND LIMITER THRESHOLD UNIT This function allows setting the unit of the compressor and limiter threshold. Volts: The threshold value is displayed in volts. dBu (0.775 V): The threshold value is displayed in dBu (0dBu = 0.775V). dB from Clip: Threshold setting in dB relative to full modulation. (0 dB = full modulation). 9.4 VU LEVEL M ...

  • Dynacord DSP 244 - page 38

    The following safety dialog appears: ARE YOU SURE? PRESS STORE TO CONFIRM ! Press the STORE twice to acknowledge this dialog. When trying to change one of the appliance’s settings, SYSTEM IS LOCKED! appears on the disp lay, indicating that the DSP 244’s operating system is blocked for entries via the numeric keys or the rotary encoder. To disab ...

  • Dynacord DSP 244 - page 39

    You can select one of the following settings for the MIDI TX CHANNEL: Off: No MIDI DATA is transmitted. 1 - 16: The DSP 244 transmits MIDI DATA via the selected MIDI channel 1 to 16. 9.8 SEND PARAMETERS During editing or when sending a program change command, the DSP 244 is capable of transmitt ing its parameters in real time via the serial port(s) ...

  • Dynacord DSP 244 - page 40

    Off: No RS-232 data is transmitted via MIDI ports. On: Data that is received from the RS-232 port is passed on to linked units via the MIDI port and is transmitted using the previously selected MIDI transmission channel (MIDI TX CHANNEL). 9.10 NRS 90246 CONTACT CLOSURE INTERFACE settings Amongst others, the DSP 244 is prepared for retrofitting an o ...

  • Dynacord DSP 244 - page 41

    CNTCT: 1 Here you are able to select the control input (1 - 8) for programming. PGM: U01 In this case, the selected control input is used for program change commands. You are able to select user-programs U01 to U30 or factory-presets F01 to F50. PGM: Mute This setting allows to use the selected control input for Soft-Mute. Upon closing of the corr ...

  • Dynacord DSP 244 - page 42

    10. SPECIFICATIONS 10.1 TECHNICAL SPECIFICATIONS Mains voltage 90 - 250 V AC / 50 - 60 Hz Power consumption 20 watts Safety class I Inputs 2 x XLR IN, electronically balanced, transformer optional available 2 x XLR OUT (Direct Out) Input voltage (nominal) 1.55 V / + 6 dBu Max. input voltage 24.5 V / + 30 dBu Input impedance 20 kohms Common mode rej ...

  • Dynacord DSP 244 - page 43

    10.2 MIDI This chapter provides information (all implemented MIDI transmission commands) for the experienced software programmer that wants to design new software for the DSP 244. The implementation chart is relevant for the software revision V1.0 or higher. MIDI data transfer is possible, only when a MIDI channel is activated (OMNI, 1 - 16). See a ...

  • Dynacord DSP 244 - page 44

    Serial Link (recognized + transmitted) MIDI-Byte Beschreibung F0 (hex) 30 0n 18 01 DATA CHECKS F7 System Exclusive DYNACORD ID: No 48 n = MIDI Channel 0 - 15 (7F = All Channels) DSP 244 ID: No 24 Function ID: Serial Link / Parser ASCII Code Line for Command Parser (up to 120 Byte) Checksum for DATA (7 Bit, 2’s Complement) End of SysEx Message Fur ...

  • Dynacord DSP 244 - page 45

    *) For Type = Allpass: Slope = 6: First Order Allpass Slope = 12: Second Order Allpass Example: /ID3/ OUT1/ XOVER/ HIPASS/ FREQ 1500 Command Parser Code Table UNIT-ID Tree Value Unit /ID1/ IN1/ DELAY 1.927... 900.0 ms EQ1/ FREQ 20 ... 20000 Hz GAIN -12 ...12 dB QUAL 0.4 ... 20.0 SLOPE 6,12 dB/Octave TYPE BYPASS,PEQ,LOSLV, HISLV,HIPASS,LOPASS EQ2/ . ...

  • Dynacord DSP 244 - page 46

    10.3 RETROFITTING INSTRUCTIONS CAUTION: These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the Operating Instructions unless you are qualified to do so. Refer all servicing to qualified service personnel. 10.3.1 Installation manual for ...

  • Dynacord DSP 244 - page 47

    10.3.2 Installation manuals for interface cards: Contact Closure Interface (NRS 90246, EDP-No. 112766) RS-485 Interface (NRS 90247, EDP-No. 112767) Contents NRS 90246: 1 x Information sheet NRS 90246 1 x Printed board assembly Contact Closure (83114) 1 x Rear plate blinding 4 x Screws M3 x 6 Contents NRS 90247: 1 x Information sheet NRS 90247 1 x I ...

  • Dynacord DSP 244 - page 48

    BLOCKDIAGRAMM / BLOCK DIAGRAM 10-7 ...

  • Dynacord DSP 244 - page 49

    FLUSSDIAGRAMM / FLOW DIAGRAM 10-5 ...

  • Dynacord DSP 244 - page 50

    Abmessungen / Dimensions (in mm) ABMESSUNGEN / DIMENSIONS 10-6 ...

  • Dynacord DSP 244 - page 51

    GARANTIE Das Werk leistet Garantie für alle nachweisbaren Material- und Ferti - gungsfehler für die Dauer von 36 Monaten ab Verkauf. Garantieleistungen werden nur dann anerkannt, wenn gültige, d.h. vollständig ausgefüllte Garantie- unterlagen vorliegen. Von der Garantie ausgenommen sind alle Schäden, die durch falsche oder unsachgemäße Bedi ...

Manufacturer Dynacord Category Stereo Equalizer

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