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Dynacord DRM 4000 manual

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Table of contents for the manual

  • Page 1

    OWNER’S MANUAL DRM 4000 8-IN-2 AUDIO MIXER & ROUTER[...]

  • 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[...]

  • Page 3

    CONTENTS TABLE OF CONTENTS PAGE SAFETY AND SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 1.1 DRM 4000 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    1. INTRODUCTION First of all, we like to thank you for and congratulate you on buying a DYNACORD DRM 4000 8-i n-2 Audio Mixer & Router. To ensure optimal performance and to minimize the risk of damaging the appliance through erroneous operation, please make sure to read this owner’s manual carefully bef ore operating the DRM 4000. 1.1 DRM 400[...]

  • Page 5

    • Optional serial RS-485 interface for connecting the DPM 4000: control of all routing poss ibilities, ducking control, preset switching via macros, output level control, configuration and storing of presets via Designer software. • 24V power supply; optional mains adapter for 90 - 240 V AC mains supply. • Power-on delay: relay switching to p[...]

  • Page 6

    2. CONTROLS AND CONNECTIONS 2.1 Front Panel 1, Socket MIC/LINE 1 Electronically balanced XLR-input on the front panel for the connection of microphones or other signal sources. This socket is connected parallel to the MIC/LINE 1 input on the appliance’s rear panel. Gain, Pad and phantom power settings have to be performed on the rear panel. 2, So[...]

  • Page 7

    6, Tone Control LO / HI Each of the four MIC/LINE as well as each of the four AUX inputs has its own tone control sectio n, which allows individually amplifying/attenuating the treble (HI) and bass (LO) by +/-15 dB. Turn ing the tone controls clockwise amplifies the corresponding frequency range, while turning them counterclockwise results in atten[...]

  • Page 8

    2.2 Rear Panel 14, 24 V power supply These two 6.3mm flat-connectors are utilized to supply the DRM 4000 with an operating voltag e of 24 V DC. Whenever incorporating the DRM 4000 in an intercom system, using the system’s already existing supply voltage of 24 V is recommended. For stand-alone operation use the optionally avail able mains adapter [...]

  • Page 9

    20, SEND output The pre-master A/B audio signal of the output channels is present at these two RCA-type conn ectors. Therefore, these outputs can be utilized for easy expanding / cascading several DRM 4000 . 21, MIX IN input This unbalanced stereo/dual input can be used connecting another mixer or an additional D RM 4000 allowing easy expanding / c[...]

  • Page 10

    3. QUICK START This paragraph describes in an overview the most important steps for a trouble-free operation of the DRM 4000 in your PA-system. For a more detailed description of specific functions when using th e DRM 4000 in combination with the DPM 4000, please refer to chapter 6.4. For further details on the fu nctioning and the configuration of[...]

  • Page 11

    4. INSTALLATION AND CONNECTIONS 4.1 General Notes Achieving the best results possible with your DRM 4000 is only doable when making sure that al l connections are in perfect order. For operating the appliance, connect its power supply v ia the flat-con - nectors on the rear panel to a 24 V DC power source. When incorporating the DRM 4000 in a PA or[...]

  • Page 12

    4.2.2 AUX and MIX IN inputs The four AUX-inputs (2 and 23) and the MIX IN-input (21) are provided via RCA-type jacks, which allows the direct connection of common unbalanced audio equipment (CD-Player, Tape Deck, Tuner, etc.). Usually, the needed connection cords are supplied together with the corresponding device . They are also available at basic[...]

  • Page 13

    4.4 Control Inputs 4.4.1 CONTROL INPUTS The CONTROL INPUTS (16) are eight freely configurable control inputs, which are provided via Phoenix-type terminals on the rear of the appliance. Closing (connection to ground) a cont rol contact switches to the corresponding configuration (preset). Simultaneously closing severa l contacts selects the preset [...]

  • Page 14

    5. INITIAL OPERATION 5.1 Power-On Operation The POWER-switch (12) switches the power of the DRM 4000 on. The ON-LED (13) starts to light and after a short period of initialization (approx. two seconds), the DRM 4000 is ready for ope ration. When switching the DRM 4000 on for the first time, it is factory-pre-configured for 8-in-2-mixer o peration. [...]

  • Page 15

    NOTE: If the input signal is not present at the master outputs, check the following: • Are the master controls (10) open? • Has the corresponding MIC/LINE input been assigned to one or both output channels? Please mi nd and compare your actual setting and the selected configuration! • Is ducking control active (see ducking indicators (9)) and[...]

  • Page 16

    6. SPECIAL FEATURES OF THE DRM 4000 6.1 Using Ducking Control The ducking control allows the unaltered passage of audio signals of prioritized channe ls (MIC/LINE 1 and / or MIC/LINE 2), while at the same time the audio signals of any other non-prioritized in put channels (e.g. background music) are attenuated to a pre-adjustable level value. The b[...]

  • Page 17

    6.4 Using The Unit Together With The DPM 4000 The DRM 4000 is an ideal inputs extension for the DPM 4000. Audio connections between the two units are established using balanced cables with XLR-type connectors. Using the optionally available RS-485 remote-interface NRS 90256 allows connecting the DRM 4000 to the DPM 4000 for control purposes. This a[...]

  • Page 18

    7. SOFTWARE EDITOR DRM 4000 The Software Editor DRM 4000 is shipped together with the optionally available extension- kit RS-232 interface (NRS 90258). The DRM 4000 editor software runs under Windows and offers possibil ities to comfortably program and monitor the DRM 4000 on-line. 7.1 System Requirements - PC with Pentium processor - Microsoft Win[...]

  • Page 19

    7.4 Software Description 7.4.1 General The DYNACORD DRM 4000 Editor software provides an extremely easy and comfortable manner for configuring, controlling and monitoring the DRM 4000. It is possible to load, save or tran sfer any number of DRM 4000 configurations. Additionally, reading the actual configuration of a DRM 4000 and storing it on disk [...]

  • Page 20

    View Menu Note: For low-resolution monitors (800 x 600 pixels or less), turning off the display of the symb ol and status bars might be advantageous, leaving more space for displaying the main window and therefor e might lessen the need for scrolling. Communication Menu About Menu 7.4.3 Basic Configuration The parameters to be set here represent th[...]

  • Page 21

    Name and Comment Here one can provide each contact and the basic configuration with a name and with a comment . MIC/LINE-inputs Note: Ducking and Priority Override settings can be made on the front panel of the DRM 4000. For fu rther detail, please refer to the corresponding chapter of this owner’s manual. Aux-inputs Outputs - Label: provides the[...]

  • Page 22

    7.4.4 Control Inputs This offers the possibility for individually programming the parameters of the corres ponding control input (contact 1 to contact 8). For details on individual parameters, please refer to chapter 8 “CONFIGURING THE DRM 4000”. Setting each control input parameter to “No Change” is also possible. When activating a control[...]

  • Page 23

    7.4.5 Online Control / Status This window allows remotely controlling and monitoring the DRM 4000 in real-time. It also offers the possibility to test the active control input configuration without the need for addit ional hardware. An active RS-232-connection between your computer and the DRM 4000 is necessary to be able to access this functionali[...]

  • Page 24

    8. CONFIGURING THE DRM 4000 The DRM 4000’s BASIC CONFIGURATION is active whenever no CONTROL INPUT is connected to ground. The DRM 4000’s factory-pre-set BASIC CONFIGURATION is 8-in-2 mixer. The following example shows the wiring for a typical 8-in-2 mixer application of the DRM 4000. The freely programmable CONTROL INPUTS allow switching to ot[...]

  • Page 25

    Legend to the table on the DRM 4000 FACTORY CONFIGURATION leaflet: BASIC CONFIGURATION: The BASIC CONFIGURATION is active when no CONTROL INPUT is connected to ground. The BASIC CONFIGURATION always has the lowest priority. CONTACT 1-8: The DRM 4000’s active configuration accords to the CONTROL INPUT, which is connected to ground, as long as no o[...]

  • Page 26

    9. INTERNAL SETTINGS / EXTENSIONS CAUTION: The following instructions for installing and setting extensions are meat for the qualified service technician only. In case you are not qualified for carrying out the descri bed tasks, please contact your dealer for further assistance. Do not perform any maintenance that is not explained in this owner’s[...]

  • Page 27

    9.1.1 Low Cut Filter The four MIC/LINE-inputs provide switch-able Low Cut filter (85 Hz / 12 dB per octave), which c ut-off frequencies below 85 Hz. The use of the Low Cut filters is especially recommendable for mi crophone applications, effectively eliminating low-frequency feedback and ambient sound as w ell as popping sounds, which results in in[...]

  • Page 28

    9.1.3 AUX Sensitivity Selection If necessary, changing the sensitivity of the AUX-input channels from the factory pre-se t of +4 dBu (1,23 V) to -6 dBu (0,39 V) is possible via Cut&Solder-bridges. This may be desirable when using lo w-level signal sources (e.g. older open-reel tape decks). In those cases, the control range of the ch annel contr[...]

  • Page 29

    9.3 HOW TO INSTALL EXTENSIONS 9.3.1 How to install the Input Transformer (NRS 90233, EDP-No. 121 682) Contents NRS 90233: 1 x Input Transformer DCN340955 Installation Instructions NRS 90233: 1. Turn off the power of the DRM 4000 and open the cover plate as described before. 2. For installation of the transformer you first have to remove the printed[...]

  • Page 30

    9.3.2 How to install the Output Transformer (NRS 90227, EDP-No. 121 679) Contents NRS 90227: 1 x Output Transformer DCN354596 Installation Instructions NRS 90227: 1. Turn off the power of the DRM 4000 and open the cover plate as described before. 2. For installation of the transformer you first have to remove the printed board assembly 8 0478 (MAIN[...]

  • Page 31

    9.3.3 How to install Interface-Boards: RS-485 Interface (NRS 90256, EDP-No. 121 785) RS-232 Interface (NRS 90258, EDP-No. 121 790) Contents NRS 90256: 1 x Notes leaflet NRS 90256 1 x Printed board assembly 80475 including blind for the rear panel and connection cord 2 x Locking-screws Contents NRS 90258: 1 x Notes leaflet NRS 90258 1 x Printed boar[...]

  • Page 32

    10. SPECIFICATIONS 10.1 Specifications Supply Voltage 24 V DC (21.6 .. 31.2 V DC) Nom. Power Consumption (24 V) 700 mA Max. Power Consumption (24 V) 975 mA Audio Inputs 4 x MIC / LINE, 4 x AUX, 1 X MIX IN MIC/LINE Inputs XLR-type connectors, electronically balanced, transformer optionally available Nom. Input Level MIC: -60 .. -10 dBu / 0.8 mV .. 2[...]

  • Page 33

    10.2 User Configuration SPEC IFI CAT IONS 10-2[...]

  • Page 34

    SPEC IFI CAT IONS 10-3[...]

  • Page 35

    10.3 Block diagram SPEC IFI CAT IONS 10-4[...]

  • Page 36

    10.4 RS-232 Interface - Programmer’s Instructions Controlling the DRM 4000 from a media control desk or from an intercom system is possible v ia the serial RS-232 interface (NRS 90258, 121 790) using simple ASCII-commands. The serial RS-232 interface is set to a baud rate of 19200 with 8 data bits, 1 stop bit, no par ity, Xon/Xoff protocol. The s[...]

  • Page 37

    10.4.2 Online-Access to all Parameters Via RS-232 connection and using REMOTE-commands provides direct access to all DRM 4000 par ame - ters, like routing, VCA, priority override, ducking, mute, etc. Controlling the unit is poss ible parallel to any other control method (hardware contact switching, software contact switching, external VCA -control)[...]

  • Page 38

    10.5 Dimensions SPEC IFI CAT IONS 10-7[...]

  • Page 39

    GARANTIE Das Werk leistet Garantie für alle nachweisbaren Mate - rial- und Fertigungsfehler für die Dauer von 36 Monaten ab Verkauf. Garantieleistungen werden nur dann aner - kannt, wenn gültige, d.h. vollständig ausgefüllte Garan - tieunterlagen vorliegen. Von der Garantie ausgenommen sind alle Schäden, die durch falsche oder unsachgemäße [...]