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Reference Manual for Operation

Rio Rancho, NM – USA

Reference Manual

DM Series Digital Audio Processors

models

DM812, DM1612, DM1624

www.lectrosonics.com

Содержание DM1612

Страница 1: ...1 Reference Manual for Operation Rio Rancho NM USA Reference Manual DM Series Digital Audio Processors models DM812 DM1612 DM1624 www lectrosonics com ...

Страница 2: ...2 DM Series Digital Matrix Processors ...

Страница 3: ...o blades and third grounding prong The wider blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories...

Страница 4: ...4 DM Series Digital Matrix Processors ...

Страница 5: ...ain 19 Input Setup Mute 19 Input Setup Phase Inv 19 Input Setup PhanPwr 19 Matrix Crosspoint Setup Screens 20 Setup Matrix 20 Xpoint Setup Menu 20 Xpoint Setup MixMode 20 Xpoint Setup Gain 20 Xpoint Setup Mute 20 Output Setup Screens 21 Setup Outputs 21 Output Setup Output Select 21 Output Setup RP Gain 21 Output Setup Source 21 Output Setup Level 21 Output Setup Gain 21 Output Setup Mute 21 Prese...

Страница 6: ...t gain 36 Serial Interface Control Commands cont d 37 outlb output channel label 37 outlv output level 37 outmic output mic level 37 outmt output mute 37 outmttog output mute toggle 37 outsrc output signal source 37 Serial Interface Control Commands cont d 38 DM1624 Input Compressor Commands 38 incpatt input compressor attack time 38 incpgn input compressor gain 38 incpmug input compressor makeup ...

Страница 7: ...42 rpoutgn rear panel audio output gain 42 rpoutgnmin rear panel audio output gain minimum 42 rpoutgnpre rear panel audio output gain preset 42 Serial Interface Control Commands cont d 43 rprest restore rear panel settings 43 rpsave save rear panel settings 43 DM1624 ADFE Commands 43 Serial Interface Control Commands cont d 44 ADFE Filter Numbers Mapped to Center Frequencies 44 Macros and Macro Co...

Страница 8: ...8 DM Series Digital Matrix Processors ...

Страница 9: ...the mixed signal for the intended purpose such as sound reinforcement recording or teleconferencing Signal Flow The basic structure of the DM processor consists of three stages Input Matrix and Output Each input channel is processed and filtered as needed and the signal is delivered into the matrix The matrix processes the signals and delivers them to the assigned outputs and communicates with oth...

Страница 10: ...nn A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off A D Prog Phan On Off Signal Processing Signal Processing Signal Processing Signal ...

Страница 11: ...imum signal to noise ratio A single control point is provided to simplify setup A level indicator and clipping indicator are provided in the GUI display Delay A digital delay follows the input stage A delay of up to 1 second can be applied in 0 5 ms increments Filters Six digital filters are provided to compensate for differ ences between various microphones and other audio sources ADFE Filters Si...

Страница 12: ...ut channel In a multi unit stacked configuration this data is sent to the slaves from the master unit Crosspoint Gain This is the gain selected with the LCD interface or the GUI that determines the level that will appear at the output Mixing Mode The automatic mixing algorithm applies a patented gain proportional algorithm that allows each input assigned to a particular crosspoint to behave differ...

Страница 13: ...elp available after installing the software Mic line Output Channels Some outputs include an attenuator to reduce the output level from line to mic level The passive attenua tor does not change the signal to noise ratio of the signal but simply applies 40 dB of attenuation to reduce the signal level Signal Processing D A M S 1 kHz Tone Generator Pink Noise Generator Digital Matrix Tx Tx Rx Rx Digi...

Страница 14: ... equalization and implement crossover networks for bi amped or tri amped loud speaker systems The filter types include Low pass High pass Band pass Parametric EQ Low shelving High shelving Filter slopes can be selected with 6 or 12 dB per octave Butterworth or Bessel parameters Multiple filters can be assigned to creater steeper slopes in 6 dB steps Compressor and Limiter A versatile compressor an...

Страница 15: ...e after the unit is installed The LCD interface is typically used for minor adjustments to various levels The front panel LCD controls can be locked out with special button presses to prevent tampering and inad vertent adjustments The control interface is the same for all three models since the difference between them is simply the number of inputs and outputs DM1624 16 inputs 24 outputs DM1612 16...

Страница 16: ...7 IN 6 18 IN 8 19 IN 10 20 5V 21 OUT 2 22 OUT 4 23 OUT 6 24 OUT 8 25 5V PROGRAMMABLE PROGRAMMABLE INPUTS OUTPUTS RS 232 LecNet 2 MIC LINE OUT TX U S Patent Number 5 414 776 USB RX TX MADE IN U S A This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference rec...

Страница 17: ...tments to input and output levels Use the GUI for other functions Boot Sequence Screens The first screen displays the model number A second screen is then displayed briefly showing the serial number and the firmware version The display then returns to the first screen showing the model number indicating that the unit has completed boot sequence and is running Press the rotary encoder knob to move ...

Страница 18: ... PUSH FOR MENU SELECT BACK The Back Button From any screen or menu the lower button to the left of the display will return to the previous screen General Overview Menus and Screens Input Setup Screen This example shows the Input Setup Screen that appears after the encoder knob is pressed in the Top Menu with this item selected The selected input to be adjusted is shown in the upper right section o...

Страница 19: ...er words the sound from this channel is turned on Input Setup Phase Inv Select INV to adjust the audio phase invert status of the selected input Rotate the encoder knob to toggle between Off phase not inverted and On phase inverted Input Select Select IN to choose the desired input channel The channel number in the upper right hand section of the screen will be highlighted Rotate the encoder knob ...

Страница 20: ... knob to select the desired channel and press it to accept the selection Xpoint Setup MixMode Select MIX to view change the Mix Mode for the selected crosspoint Rotate the encoder knob to select the desired mode MixModes are explained on page 9 as used in various applications Xpoint Setup Gain Select GAI to view change the gain for the selected crosspoint After the desired input and output have be...

Страница 21: ...lected output channel Rotate the encoder knob to select one of the choices which includes a tone generator a pink noise generator or the output of the crosspoint matrix NOTE Select the desired output channel with the item select buttons before making the following adjustments Output Setup Level Select M L to view change the output channel level setting Rotate the encoder knob to toggle between Lin...

Страница 22: ...setup to a selected memory preset location Rotate the encoder knob to select the preset press OK to confirm the selection then press the encoder knob to initiate the action Preset Control Screens Using the OK item on all screens Preset Control screens are different from the other screens Because actions available on this screen result in permanent changes to the nonvolatile memory within the devic...

Страница 23: ... the SysInfo screen and check the status of the unit see System Information Screen above A stand alone unit must be set to the MASTER mode and will present itself as Unit 01 of 01 on the SysInfo screen If a unit is set to SLAVE but is running by itself or not connected to a Master unit an error message will appear at power up stating that no Master is detected Stacking Multiple Units When two or m...

Страница 24: ...eft to enter the default passcode 1 2 3 4 The factory default passcode is button presses in this order 1 2 3 4 from left to right After the passcode is entered four symbols will appear in the upper right section of the screen to confirm the button presses Press the encoder knob to accept the passcode If the passcode is correct the LOCKED UNLOCKED state will toggle to the opposite state If the pass...

Страница 25: ...scode with the item select buttons below the display Enter the new passcode When the existing passcode has been accepted the word New will appear prompting you to enter the new passcode Use the item select buttons below the screen to enter the new passcode Enter the new passcode with the item select buttons below the display Symbols will appear in the upper right section of the screen as you enter...

Страница 26: ...ed primarily for diagnostics when setting up or troubleshooting serial remote control systems Serial Port Speed Adjustment TopMenu SerPort Navigate to the SerPort item on the Top Menu and press the encoder knob The current Baud Rate is displayed on the next screen Rotate the encoder knob to adjust the Baud Rate The selected baud rate takes effect immediately NOTE When using the RS232 serial port i...

Страница 27: ...d speed and convenience over standard RS 232 links it does require the installation of a LecNet2 USB driver The LecNet2 USB driver is not part of the standard Windows 2000 and XP driver library As a result connecting a computer system to the VR for the first time is different than subsequent installations There are a few minor differences between installing the LecNet2 USB drivers on a Windows 200...

Страница 28: ...if the Lecnet2 USB driver has already been installed at least once before on the computer system the process is simplified because the Lecnet2 installation disk is not required Use the following procedure if the LecNet2 USB driver was previously installed on the computer system 1 On the first page of the Wizard select Install the software automatically Recommended and click Next to continue 2 Wind...

Страница 29: ...SB driver using the Wizard 1 Connect a cable between the Venue Receiver s USB port and the computer system Place the Lecnet2 Installation Disk in the PC s CD ROM drive and click Next to display the next page 2 Select Search for a suitable driver for my device recommended and click Next to continue to the next page 3 Check only CD ROM drives then click Next to search the LecNet2 CD for the USB driv...

Страница 30: ...rsion number are replaced with underscores in the filename for clarity Before starting make sure that the proper update file is on hand Connect the DM1624 to a PC with a USB cable The update process is possible only using a USB connection Apply power to the DM1624 and start the control panel software on the PC 1 Choose File Update from the Menu Bar The Update DM1624 Firmware Wizard will open 2 The...

Страница 31: ...update file and select it Click Open to finish Once the path to the update file has been provided like this Click Next to move on to the PROCEED WITH FIRMWARE UPDATE page Click Start Update to begin the firmware update The update is made in two stages an update of the DM1624 controller firmware followed by an update of the DSP firmware The progress bar indicates the status of each update stage Her...

Страница 32: ...otification message will appear Follow the instructions in the message to verify that the DM1624 restarts with the updated firmware version Click OK to dismiss the message At this point the process is complete and the Wizard will be ready to close Click Finish to close the Wizard At this point you can connect to the newly updated DM1624 with the control panel The updated firmware version number sh...

Страница 33: ...termine if an audio input channel is active meaning that it has less than 3 dB of attenuation assigned to it by the automixing algorithm The input channel is specified by using the address syntax Addresses must be in the range 1 to 16 The data type is integer either 1 meaning that the channel is active or 0 meaning that it is not If the channel address is wildcarded then the data type is an array ...

Страница 34: ... indicate that a particular input invert state is to remain unchanged by the command Examples REQUEST RESPONSE QUERY iniv 9 OK 0 QUERY iniv OK 0 1 0 0 0 0 UPDATE iniv 2 1 OK UPDATE iniv 0 0 1 99 99 99 OK inlb input channel label This command may be used as a query to read the input channel text label or as an update to set the label The input channel is specified by using the address syntax Addres...

Страница 35: ... 1 to 24 or wildcarded If the output channel is wildcarded then the command applies to the entire row of the matrix associated with the specified input chan nel The data type is integer in the range 70 to 20 representing the gain in dB If an entire row is being transmitted then the data type is array of integer of size 24 In this case the value 99 may be used in an update to indicate that a partic...

Страница 36: ...he range 1 to 24 Example REQUEST RESPONSE COMMAND xpmttog 3 19 OK Serial Interface Control Commands cont d DM1624 Audio Output Commands outdel Audio output delay outgn Audio output gain outlb Audio output channel label outlv Audio output level dBu RMS outmic Audio output mic line level status outmt Audio output mute status outmttog Audio output mute toggle outsrc Audio output channel signal source...

Страница 37: ...pecified by using the address syntax Addresses must be in the range 1 to 24 The data type is integer either 1 meaning that the output is muted or 0 meaning that it is not If the channel address is wildcarded then the data type is an array of integer of size 24 In this case the value 99 may be used in an update to indicate that a particular output mute is to remain unchanged by the command Examples...

Страница 38: ...ng the gain in dB The allowable upper limit of makeup gain values is dynamically determined by the threshold and ratio settings of the compressor and may be less than the absolute maximum of 30 dB If the value sent in an update request exceeds this upper limit it will be forced to the limit value Examples REQUEST RESPONSE QUERY incpmug 1 OK 5 UPDATE incpmug 15 12 OK incprat input compressor ratio ...

Страница 39: ... representing the gain in dB The allowable upper limit of makeup gain values is dynamically determined by the threshold and ratio settings of the compressor and may be less than the absolute maximum of 30 dB If the value sent in an update request exceeds this upper limit it will be forced to the limit value Examples REQUEST RESPONSE QUERY outcpmug 1 OK 5 UPDATE outcpmug 15 12 OK outcprat output co...

Страница 40: ...o 20 representing the level in dBu Examples REQUEST RESPONSE QUERY outlmthr 1 OK 10 UPDATE outlmthr 15 15 OK DM1624 Programmable I O Commands prgin Programmable input state prgout Programmable output state prgoutht Programmable output hold time prgoutqt Programmable output qualification time prgin programmable input state This command may be used as a query to read a programmable input state or as...

Страница 41: ...l settings rpingn rear panel audio input gain This command may be used as a query to read the rear panel input gain or as an update to set the rear panel gain The input channel is specified by using the ad dress syntax Addresses must be in the range 1 to 16 The data type is integer in the range 30 to 0 repre senting the gain in dB the feature acts as an attenua tor The actual allowable range of va...

Страница 42: ... sent is less than the gain minimum it is forced to the gain minimum value If the channel address is wildcarded then the data type is an array of integer of size 24 In this case the value 99 may be used in an update to indicate that a particular rear panel output gain is to remain un changed by the command Examples REQUEST RESPONSE QUERY rpoutgn 1 OK 3 QUERY rpoutgn OK 13 4 0 0 0 0 UPDATE rpoutgn ...

Страница 43: ...er deployment adfeen adfe enable This command may be used as a query to read the adfe enable status or as an update to set the status The audio input channel is specified by using the address syntax Addresses must be in the range 1 to 16 The data type is integer either 1 meaning that the adfe feature is enabled or 0 meaning that it is not Examples REQUEST RESPONSE QUERY adfeen 9 OK 1 UPDATE adfeen...

Страница 44: ...Hz 53 2531 Hz 69 4453 Hz 85 7336 Hz 6 164 Hz 22 586 Hz 38 1383 Hz 54 2625 Hz 70 4594 Hz 86 7547 Hz 7 176 Hz 23 621 Hz 39 1441 Hz 55 2719 Hz 71 4734 Hz 87 7758 Hz 8 188 Hz 24 656 Hz 40 1500 Hz 56 2813 Hz 72 4875 Hz 88 7969 Hz 9 211 Hz 25 703 Hz 41 1570 Hz 57 2930 Hz 73 5051 Hz 89 8227 Hz 10 234 Hz 26 750 Hz 42 1641 Hz 58 3047 Hz 74 5227 Hz 90 8484 Hz 11 258 Hz 27 797 Hz 43 1711 Hz 59 3164 Hz 75 540...

Страница 45: ...sponse messages normally returned when the commands are executed individually are discarded This means that ill formed or unsuccessful commands fail silently as the error message is discarded Queries commands which request information from the DM1624 make no sense within a macro Macros can be chained if necessary meaning that one macro can call another macro by virtue of containing a run command I...

Страница 46: ...he contact is closed conducting to ground when inactive it is open An important application of the rear panel control interface is to manage what is called the rear panel gain for input and output audio channels This is an additional gain value that is added to the main gain value for a channel to give the total gain applied Rear panel gain is limited to the range 30dB to 0dB and therefore is actu...

Страница 47: ...47 Reference Manual for Operation Rio Rancho NM USA ...

Страница 48: ...charge with a similar new item Lectrosonics Inc will pay for the cost of returning your equipment to you This warranty applies only to items returned to Lectrosonics Inc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of Lectrosonics Inc and the entire r...

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