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Manual Dynacord DMM 4650

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  • Dynacord DMM 4650 - page 1

    OWNER’S MANUAL DMM 4650 Description The DMM 4650 is a signal processor which allows for an universal generation and control of audio signals. Its main purpose is the installation in electro-acoustic rack systems, but stand-alone app lications are possible as well. The audio signals can consist of alarm, gong, voice messages but also of r andom co ...

  • Dynacord DMM 4650 - page 2

    INSTALLATION INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 FRONT PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 REAR PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Dynacord DMM 4650 - page 3

    TRIGGER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Operation menu trigger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Dynacord DMM 4650 - page 4

    FACTORY PRESETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Factory presets, defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 List of trigger signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 ...

  • Dynacord DMM 4650 - page 5

    Installation instructions The appliance has to be protected against: - drip or splash water - direct sunlight - high ambient temperature or direct influence of heat sources - high humidity - heavy dust deposits - extreme vibrations In case the appliance is transported directly from a cold environment to a warm location, dampness can precipitate on ...

  • Dynacord DMM 4650 - page 6

    1. INPUT MIC XLR-socket for the connection of a microphone when recording a message. By using a short test-sample, the level is automatically adjusted and the setting is saved. This input can also be used for making announcements. 2. INPUT LINE RCA-type sockets for the connection of stereo or monaural audio signal sources (tape deck, CD player) whe ...

  • Dynacord DMM 4650 - page 7

    1O. 24 V DC power supply 2 flat-pin plugs 1/4" (6.3 mm) for connection to emer - gency power supply (battery) or other external power sources. Please mind the correct polarity (+-). 11. REMOTE The 9-pole D-SUB connector “Remote-Control RS-232" is a serial computer interface for data transfer and service functions. PORT A-D All inputs an ...

  • Dynacord DMM 4650 - page 8

    Use of the DMM 4650 The DMM 4650 can be used in both, incorporated in a rack shelf system or as stand-alone unit. The installer should automate the daily sequences by external control keys, sensors, contact s and the corresponding unit settings. This applies for gongs, alarms, messages and their combinatio ns, as well as for recordings of variable ...

  • Dynacord DMM 4650 - page 9

    Each of the 4 ports also supplies a power source in order to facilitate the connection of floating contacts. The ground and earthing conditions are shown in the above diagram. The strict separation of control and audio signals guarantees the trouble-free installation. Sequence function The following example shows in sequence the necessary steps fro ...

  • Dynacord DMM 4650 - page 10

    OPERATING THE DMM 4650 General All adjustments carried out at the appliance remain in memory even if the appliance is not connected to a power source (EPROM). Pressing the EXIT-key lets you step back and forth through the levels of the operation menu tree (page 11). The stand-by mode is entered by pressing the EXIT-key when in the “main menu” . ...

  • Dynacord DMM 4650 - page 11

    Passwort Hauptmenue Main-Menue Alarm Alarm 1 Gong Gong 1 Sequenz Sequence 2 Message Message 1 Auslöser Trigger 3 Durchsage Announcement 1 Einstellung System-Setup 1 Selbsttest Selftests 3 Kontrast Contrast 1 Helligkeit Backlight 1 Kopfhörer Phones 1 Priorität Priority 2 Passwort Password 1 Software Software 1 Sprache Language 3 RS232 RS232 2 Uhr ...

  • Dynacord DMM 4650 - page 12

    MESSAGE General: Messages are audio signals, stored in the DMM 4650 as information, alarm announcements or other often used texts. Recording a message can be performed directly at the DMM 4650 or by means of rem ote recording. Playback via sum output is achieved by starting a message (Mxx) within a suitabl e sequence (see “Trigger”, “Sequence ...

  • Dynacord DMM 4650 - page 13

    Soft key “edt” Using the “edt” key in playback mode provides the opportunity to edit and manage your message structure . The keys are used to select the following menu items. Title Confirming “Title” with the soft key “ok” the selected message’s current name appears on the display. Using the cursor keys lets you enter a name which ...

  • Dynacord DMM 4650 - page 14

    Recording level An integrated, electronic control automatically adjusts the input sensitivity of the DM M 4650’s (Mic, Line, Rec. Inp) inputs. This level setting remains unchanged, until the question “Select new recording level?” is answered by using the soft key “y=yes” before starting a new recording. By using a short test signal marks ...

  • Dynacord DMM 4650 - page 15

    GONG General: Gong Presets are audio signals that can be started within a sequence. Order and parameters of a gong sequence can be edited. For test purposes the sound can be started in the “gong > editor” menu by use of the PLAY/STOP keys. It is audible via the Pre-Listen outputs. Gong Presets 20 freely programmable presets (user preset) are ...

  • Dynacord DMM 4650 - page 16

    List of available gong parameters Type four-stroke, three-stroke bar1: first gong stroke, A highest sound, B, C, to D deepest sound attack1: attack rate from 00ms (hard) to 99ms (soft) release1: fading sound from XXL (long, several seconds.), XL, L, M, S, XS, XXS (short, approx. 1sec) start 2: start delay of the second gong stroke in seconds. (min ...

  • Dynacord DMM 4650 - page 17

    ALARM General: Alarms are audio signals that can be started within a sequence. The alarms are square wave form s providing the possibility for various parameters to be adjusted. For test purposes, it is possible to start the alarms signals in the “alarm editor” menu using the PLAY/STOP key. They are present on the pre-listen outputs. Alarm Pres ...

  • Dynacord DMM 4650 - page 18

    List of available alarm parameters Type Uni-sweep frequency1: pitch at sound-start in Hz (min 40Hz, max 9999Hz) is swept until frequency2 is reached. frequency2: pitch at sound-stop in Hz (min 40Hz, max 9999Hz). time: duration of the sweep - Freq1 to Freq2 - in seconds., (min 0.01s, max 99.99s). ratio: duty-cycle of the square wave in percent, (min ...

  • Dynacord DMM 4650 - page 19

    Type Jump sound frequency1: pitch at sound-start in Hz (min 40Hz, max 9999Hz) jumps after time1 to frequency2 time1: duration for which freq1 is heard in sec., (min 0.01s, max 99.99s). frequency2: pitch of the sound in Hz (min 40Hz, max 9999Hz) jumps after time2 to frequency1 time2: duration for which freq2 is heard in sec., (min 0.01s, max 99.99s) ...

  • Dynacord DMM 4650 - page 20

    Announcement General: Using the announcement function provides the possibility to assign incoming audio signa ls from the recording inputs (Mic, line, Rec-Inp) directly to the sum output. Especially in stand-alone applications this option is particularly useful, since it will possibly save one microphone amplifier. Starting the function is either p ...

  • Dynacord DMM 4650 - page 21

    Trigger General The menu trigger allows to assign the connection of a control input to a function of the D MM 4650 (sequence start) while various control inputs can initiate a single sequence. The separat e logic control settings for each input provide the possibility to optimally match the requirements of an installation. Pressing the soft key “ ...

  • Dynacord DMM 4650 - page 22

    Trigger recognition The level of the control inputs are periodically monitored by the processor. The sampling t ime (T s = sample rate) is typically T s typ = 30 msec. The maximum monitor interval can be set to T s max = 100 msec. Thus, shorter impulses, spikes or quick AC voltages are recognized inaccurate or with a delay (undersampling). The bi-p ...

  • Dynacord DMM 4650 - page 23

    SEQUENCES General: Sequences are a series of single steps, determining the functions of the DMM 4650 step by s tep. Thus, providing the possibility to define signal sequences, volume levels, trigger outputs, time sequences, loops, etc. Triggering an input ( “trigger”) normally starts a sequence. However, for test purposes it is possible to star ...

  • Dynacord DMM 4650 - page 24

    Title Confirming “title” with the soft key “ok” , the name of the currently loaded sequence appears on the display. Using the cursor keys offers the possibility to enter a name of maximally 8 characters. The soft keys “A-a” and “spc” shift between the upper and the lower character case or enter a blank character, respecti vely. Afte ...

  • Dynacord DMM 4650 - page 25

    Command parameter Function Nop -no operation End -ending the running sequence Out X.Y set -Output Y (1 ..4) of the I/O module X (A..D) is set to 1 (contact closed) X.Y clr -Output Y (1 ..4) of the I/0 module X (A..D) is set to 0 (contact open) X.Y inv -Output Y (1 ..4) of the I/O module X (A..D) is inverted Start Axx -ends a currently running audio ...

  • Dynacord DMM 4650 - page 26

    System setup General Basic functions are defined in the menu system setup. Examples are: behaviour during stand- by, language, data backup, etc. The factory defaults are explained in the table on page 36. Modif ications are automatically saved and remain in memory even without supply voltage. Operation menu system setup Confirming the menu selectio ...

  • Dynacord DMM 4650 - page 27

    Sum level Confirming “sum level” with the soft key “ok” , enables the setting of the digital audio control “SUM” (see audio functions). Using the cursor keys this value in “dB” -steps can be changed and is effective at the audio output in stand-by mode (no sequence running); presuming that the bypass relay is off. A currently runnin ...

  • Dynacord DMM 4650 - page 28

    preset), “update” (equivalent to exclusive message + message management) or “inclusive message” (equivalent to update + audio data). The soft key “send” starts the data output via the REMOTE/RS232 connector. This menu item is meant for data transfers into a computer. This function can also be execute d via command at the RS232 interface ...

  • Dynacord DMM 4650 - page 29

    Self test General In stand-by mode the DMM 4650 runs a number of test routines in order to detect device faults at an early stage. Errors are indicated by the flashing of the green POWER LED. On fatal errors or on a higher occurence of errors, the flashing gets faster and the fault relay drops. At the same time the a udio input is connected directl ...

  • Dynacord DMM 4650 - page 30

    CONNECTIONS CONTROL INPUTS AND CONTROL OUTPUTS PORTS A - D General: Operation see page 21 (PORTS C, D are optional) Each of the 4 ports (A, B, C, D) have 4 inputs and 4 outputs and a power source for supplying f loating control keys or contacts. The inputs and outputs are galvanic insulated from the DMM 4650 and the adjacent control l ines. Port A ...

  • Dynacord DMM 4650 - page 31

    Outputs: Max. output current (relay contacts): 1A at 24VDC 0.5A 50VDC Installation example: Installation example with factory presets: see also “Factory preset sequences” page 36 - 44 INPUTS: All input signals must be applied longer than 200 msec. in order to be securely recognized . Modifying this default is possible in the menu “Trigger”. ...

  • Dynacord DMM 4650 - page 32

    Audio inputs and outputs The XLR inputs and outputs are electronically balanced and wired according to the IEC 268 standards. If unbalanced XLR connection is desired, PIN1 and PIN3 have to be bridged using a jumper. Specifications are to be found in the appendix on page 53. If balanced, floating connection is necessary, the extension kit NR 90211 h ...

  • Dynacord DMM 4650 - page 33

    Remote, RS 232 interface, data backup General Data backup should be performed prior to new installations and programming modificatio ns of the DMM 4650. This ensures that replacing an appliance for service purposes takes the least effort , immediately providing identical functions on the replacement unit. When setting-up systems with simil ar funct ...

  • Dynacord DMM 4650 - page 34

    The Backing-up process runs with lowest priority and can be interrupted by other sequences at any time. If this is supposed to be avoided, interrupting sequences are blocked by entering the use r3 password (high priority). If the backup is expected to take very long (“backup message” ), start “System setup > Restore > ok” after enteri ...

  • Dynacord DMM 4650 - page 35

    Terminal programs The utilized terminal software has to be configured for data transfers (send and receive) with a word length set to 8-Bit and no data conversion. Setting examples for the program “Terminal”, coming together with Windows 3.lx package: Start the terminal software, click the window ‘configuration’ ‘data transmission’, set ...

  • Dynacord DMM 4650 - page 36

    FACTORY PRESETS The installed software v 1.2 provides pre-stored factory presets for sequences, alarms an d gongs. Also defined are basic settings (menu “System setup”) as well as input and output lines. For dire ct use of these presets, installation examples are to be found on page 31. Factory settings, defaults The user can edit these default ...

  • Dynacord DMM 4650 - page 37

    List of factory preset sequences Sequence Nummer S 20 Title “stop all” Priority 99 Stopp trigger off Step Command Parameter 1: Break 2: End Sequence Nummer S 21 Title “Alarmtxt” Priority 97 Stopp trigger off Step Command Parameter 1: Out A1 set 2: wt In A1 High 3: Out B4 clr 4: Out B2 set 5: Out B3 set 6: Out A2 set 7: Sum= off 8: DMM= -2dB ...

  • Dynacord DMM 4650 - page 38

    Sequence Nummer S 23 Title “DIN-Alrm” Priority 95 Stopp trigger B1 Low > 00,1s stc Step Command Parameter 1: Out A1 set 2: wt In A1 High 3: Out B4 clr 4: Out B2 set 5: Out B3 set 6: Out A3 set 7: Sum= off 8: DMM= -5dB 9: Start A 20 10: wt Stop 11: End Sequence Nummer S 24 Title “Alrm-Txt” Priority 91 Stopp trigger B2 Low > 00,1s stc S ...

  • Dynacord DMM 4650 - page 39

    Sequence Nummer S 25 Title “Vierklng” Priority 89 Stopp trigger off Step Commend Parameter 1: Out A1 set 2: wt In A1 High 3: Out B4 clr 4: Out B2 set 5: Out B3 set 6: Out A4 set 7: Sum= off 8: DMM= -5dB 9: Start G 20 10: wt Audio 11: End Sequence Nummer S 26 Title “Vorgong” Priority 87 Stopp trigger B4 Low >00,1s stc Step Command Paramet ...

  • Dynacord DMM 4650 - page 40

    Sequence Nummer S 28 Title “Message2” Priority 80 Stopp trigger off Step Command Parameter 1: Out C1 set 2: Sum= off 3: DMM= -2dB 4: Start M 02 5: wt Audio 6: End Sequence Nummer S 29 Title “EasyRec1” Priority 80 Stopp trigger C3 High >00,1s lat Step Command Parameter 1: Out C3 set 2: Record M 01 3: Out C2 set 4: Dly= 010,0 s 5: if Stop ...

  • Dynacord DMM 4650 - page 41

    Sequence Nummer S 30 Title “EasyRec2” Priority 80 Stopp trigger C4 High >00,1s lat Step Command Parameter 1: Out C3 set 2: Record M 02 3: Out C2 set 4: Dly= 010,0 s 5: if Stop 6: Nop 7: if Stop 8: Jump 14 9: if Delay 10: Jump 14 11: if Audio 12: End 13: Jump 07 14: Finish 15: Out C2 clr 16: Jump 11 Sequence Nummer S 31 Title “Fire-Mic” P ...

  • Dynacord DMM 4650 - page 42

    Sequence Nummer S 32 Title “Ansage” Priority 80 Stopp trigger D3 Low >00,1s stc Step Command Parameter 1: Out D3 set 2: Sum= -20dB 3: DMM= -3dB 4: Start Ann. 5: wt Stop 6: End Sequence Nummer S 33 Title “BZB-ABC” Priority 95 Stopp trigger off Step Command Parameter 1: Out A1 set 2: wt In A1 High 3: Out B4 clr 4: Out B2 set 5: Out B3 set ...

  • Dynacord DMM 4650 - page 43

    Sequence Nummer S 34 Title “gen-emgc” Priority 95 Stopp trigger off Step Command Parameter 1: Out A1 set 2: wt In A1 High 3: Out B4 clr 4: Out B2 set 5: Out B3 set 6: Out A3 set 7: Sum= off 8: DMM= -5dB 9: Start A 30 10: wt Audio 11: Start A 31 12: wt Audio 13: Jump 09 14: End Sequence Nummer S 35 Title “fireship” Priority 95 Stopp trigger ...

  • Dynacord DMM 4650 - page 44

    Sequence Nummer S 36 Title “ManMorse” Priority 95 Stopp trigger off Step Command Parameter 1: Out A1 set 2: wt In A1 High 3: Out B4 clr 4: Out B2 set 5: Out B3 set 6: Out A3 set 7: Sum= off 8: DMM= -5dB 9: wt In D4 High 10: Start A 33 11: wt In D4 Low 12: Break 13: Jump 09 14: End Sequence Nummer S 37 Title “Telefon” Priority 95 Stopp trigg ...

  • Dynacord DMM 4650 - page 45

    List of factory preset gong signals gong no. title prior. type bar attack release start repeat cnt rep-del G20 Vierklng 00 fourtone 1 = A 04 ms XL no 2 = B 06 ms XL 1,5 sec 3 = C 07 ms XL 1,5 sec 4 = D 10 ms XL 1,5 sec no no G21 Dreiklng 00 threetone 1 = A 04 ms XL no 2 = B 06 ms XL 1,5 sec 3 = C 07 ms XL 1,5 sec no no G22 Zweiklng 00 twotone 1 = A ...

  • Dynacord DMM 4650 - page 46

    List of factory preset alarm signals Alarm- number Title Priority Type Freq. 1 Hz Freq. 2 Hz time sec Ratio repeat A20 DIN-Alrm 00 Uni-Sweep 1200 500 1,00 14% endless A21 slow Whp 00 Uni-Sweep 500 1200 1,00 14% endless A22 Sirene 00 Bi-sweep 400 800 2,00 14% endless A24 BZB-Luft 00 Bi-sweep 330 420 2,00 14% 30x A27 BZB-ABC 00 Bi-sweep 330 420 2,00 ...

  • Dynacord DMM 4650 - page 47

    APPENDIX Troubleshooting In stand-by mode the DMM 4650 runs a number of test routines in order to detect device faults at an early stage. Errors are indicated by the flashing of the green POWER LED. With fatal errors or whe n errors start to appear more often the blinking of the LED gets faster and the fault relay drops. At th e same time, the audi ...

  • Dynacord DMM 4650 - page 48

    User questions, hints This chapter tries to explain some of the DMM 4650’s functions that first may seem somewhat su rprising for the user and to provide the amended solution. Question: Recording a message is suddenly interrupted by the DMM 4650? Explanation: a) An external contact initiated a sequence with a higher priority (e. g. alarm) than th ...

  • Dynacord DMM 4650 - page 49

    Question: How do I replace a 4-tone gong signal by a 3-tone gong? In accordance to the factory presets, the trigger is connected to the control input B3 and it should stay that way. Solution: Performing the following changes is only possible for user 3! The sequence S 25 which initiates the 4-tone gong signal G 20 is being started using the input B ...

  • Dynacord DMM 4650 - page 50

    EXAMPLES FOR ALARM TEXTS Caution: The following examples are not programmed in the message memory. They only serve as examples. Technical malfunction 1 “Ladies and gentlemen, unfortunately we are experiencing a technical problem. There is no reason to be concerned. Please stay calm, we are working on the solution." Technical malfunction 2 ? ...

  • Dynacord DMM 4650 - page 51

    Specifications DMM 4650 Operating Voltage 21.6 - 31.2VDC Power consumption max. 18 watts (without retrofitting kits 90204) Input voltage Input 0.775V/0dBu *Line Input 0.775V/0dBu *Rec Input 0.775V/0dBu *Mic Input 1.4mV/ -54dBu at 600 ohms Max. Input voltage Input 3.8V/+14dBu *Line INPUT 30V/+32dBu *Rec INPUT 30V/+32dBu *Mic INPUT 50mV/ -24dBu at 60 ...

  • Dynacord DMM 4650 - page 52

    WARRANTY The factory grants warranty covering all verifiable material and manufacturing faults for a period of 36 months from the original date of purchase on. Warranty claims will only be upheld if valid, i. e. fully completed warranty forms, are submitted. This warranty shall not cover damage caused by in correct or improper operation. Any claim ...

Manufacturer Dynacord Category Stereo System

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All of them are important, but the most important information from the point of view of use of the device are in the user manual Dynacord DMM 4650.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Dynacord DMM 4650, service manual, brief instructions and user manuals Dynacord DMM 4650. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Dynacord DMM 4650.

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A complete manual for the device Dynacord DMM 4650, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Dynacord DMM 4650 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Dynacord DMM 4650.

A complete Dynacord manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Dynacord DMM 4650 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Dynacord DMM 4650, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Dynacord DMM 4650, that we can find in the current document
3. Tips how to use the basic functions of the device Dynacord DMM 4650 - which should help us in our first steps of using Dynacord DMM 4650
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Dynacord DMM 4650
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Dynacord DMM 4650 in a specific country, if it was not possible to solve the problem on our own.

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