StudioComm Dante 792 User Manual
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StudioComm Dante 792 User Manual

Central controller and control console
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with Dante
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Model 792 Central Controller and
Model 793 Control Console
User Guide
Issue 2, January 2023
This User Guide is applicable for systems consisting of:
Model 792: serial numbers M792-00151 and later with application firmware 3.00 and later;
Model 793: serial numbers M793-00151 and later with application firmware 1.04 and later
Copyright © 2023 by Studio Technologies, Inc., all rights reserved
studio-tech.com
50396-0123, Issue 2

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  • Page 1 with Dante Support ® Model 792 Central Controller and Model 793 Control Console User Guide Issue 2, January 2023 This User Guide is applicable for systems consisting of: Model 792: serial numbers M792-00151 and later with application firmware 3.00 and later; Model 793: serial numbers M793-00151 and later with application firmware 1.04 and later Copyright ©...
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  • Page 3: Table Of Contents

    Model 792 & Model 793 StudioComm with Dante Support Table of Contents Revision History......................... 4 Introduction ........................5 Installation ......................... 9 Dante Configuration......................15 Model 792 and Model 793 Configuration................17 Operation ........................... 42 Technical Notes ......................... 46 Specifications ........................51 Appendix A—Connection Pin-Out Charts ................

  • Page 4: Revision History

    Model 792 & Model 793 StudioComm with Dante Support Revision History Issue 2, January 2023: • Documents removal of DNS address from Configuration menus. • Miscellaneous corrections and clarifications. Issue 1, February 2021: • Initial release. Issue 2, January 2023...

  • Page 5: Introduction

    A StudioComm with Dante Support system starts place in the world of professional audio. And the days with the Model 793 Control Console. It’s the sys- of needing to support only 2-channel stereo and 5.1...
  • Page 6 The performance of the analog-to-digital and digital-to-analog functions will meet or exceed virtually any professional audio product. The sonic performance of the StudioComm system is completely “pro” with no compromises. Figure 3. Model 793 Control Console front view The Model 792 Central Controller occupies one space (1U) in a standard 19-inch rack.
  • Page 7 Three Monitor Outputs Analog Surround Input The Model 792 provides 16 independent analog The StudioComm with Dante Support system pro- input channels which are compatible with balanced vides three monitor outputs: one 16-channel Dante or unbalanced line-level sources. These inputs have...
  • Page 8 Dante Performance will cause the management port’s IP address to show, Two of the Model 792’s three gigabit Ethernet ports helpful when configuring the StudioComm with Dante are utilized by the Dante audio interfaces. These ports Support system. can be selected, using the Dante Controller software...

  • Page 9: Installation

    20 feet (7.3 meters) is includ- connectors. If needed for the application, line-level ed with each StudioComm system. The standalone Analog Surround Input connections will be made using Model 793 Control Console is typically placed on a two additional 25-pin D-subminiature connectors.
  • Page 10 Model 792 & Model 793 StudioComm with Dante Support the Model 792 that allows ready access to this jack Ethernet interfaces support auto MDI/MDI-X so that can be helpful in some applications. A cable is sup- crossover cables are not required.
  • Page 11 Model 792 & Model 793 StudioComm with Dante Support post-fader operation and connected to inputs on amplifiers or amplified speakers. The Analog Surround Output can also be configured for pre-fader opera- tion. Dante Surround and Dante Stereo Outputs are also provided. They too can be configured for pre- or post-fader operation.
  • Page 12 Model 792 & Model 793 StudioComm with Dante Support wiring scheme used by the D-subminiature connec- Channel High (+) Low (–) Shield tors comply with AES59-2012, as made popular by TASCAM. A wiring assembly prepared for use with the Analog Surround Input channels would be identical to a standard TASCAM-type input assembly with the exception of using “locking”...
  • Page 13 Model 792 & Model 793 StudioComm with Dante Support Channel High (+) Low (–) Shield Notes: 1) Connector type is 25-pin female D-subminiature (DB-25F). Installer must provide male (DB-25M). Connector uses 4-40 threaded inserts for locking with mating plug. Figure 11. Detail of Model 792 front panel showing 2) Wiring scheme follows AES59-2012 convention.
  • Page 14 Model 792 & Model 793 StudioComm with Dante Support Model 793. The Model 792 supplies 12 volts DC, 500 milliamperes (mA) maximum which will provide a sig- nificant power margin to support lengthy cable runs. The Model 793 requires a minimum of 9 volts DC, 75 mA maximum, for operation.

  • Page 15: Dante Configuration

    Model 792 & Model 793 StudioComm with Dante Support Figure 15. Detail of Model 792 back panel showing Figure 16. Detail of Model 792 back panel showing the AC mains power connector the DC input power connector Connection Wire Color...
  • Page 16 Model 792 & Model 793 StudioComm with Dante Support Network Configuration – Dante (a group of up to four output channels) to a receiver flow (a group of input channels). The Model 792 allows connection of three Ethernet signals using standard RJ45 jacks which are located The Model 792 uses the Brooklyn module to imple- on the back panel.

  • Page 17: Model 792 And Model 793 Configuration

    It’s easy to identify the active management IP (static) configuration. While this is a more-involved address. With the StudioComm system powered process than simply letting DHCP or link-local “do and operational, and a network connection made to their thing,”...
  • Page 18 Model 792 & Model 793 StudioComm with Dante Support Accessing the Management Webpages To access the Model 792’s home page, type the unit’s management IP address into the browser’s search bar. (It’s possible that some browsers may require the text http:// followed by the IP address.) Once the Model 792 menu system has been accessed, a webpage will appear that has a link to the configuration menu on the right side of the screen.
  • Page 19 Model 792 & Model 793 StudioComm with Dante Support Login Menu Clicking on the link labeled Configuration Menu will first lead to the Login Menu. The entry of a valid user name and password is now required. This is not a sophisticated security implementation! It is intended to keep “honest”...
  • Page 20 Model 792 & Model 793 StudioComm with Dante Support Configuration Menu Once the correct user name and password text have been submitted the Configuration Menu webpage will show. This menu offers access to specific function menus. These menus allow Model 792 and Model 793 configuration choices to be shown and, if desired, changed.
  • Page 21 Model 792 & Model 793 StudioComm with Dante Support Dante Surround Input Menu This menu allows parameters related to the Model 792’s Dante Surround Input to be configured. Label: This field allows a text name to be entered and Delay: This field allows a time delay value to be en- stored.
  • Page 22 Model 792 & Model 793 StudioComm with Dante Support The configured delay time is referenced to the Model Submit Trim Values: The Submit Trim Values button 792 being configured for a sample rate of 48 kHz in is located below the field for channel 16. To save the Dante Controller application.
  • Page 23 Model 792 & Model 793 StudioComm with Dante Support Analog Surround Input Menu This menu allows parameters related to the Model 792’s Analog Surround Input to be configured. Label: This field allows a text name to be entered and Delay: This field allows a time delay value to be stored.
  • Page 24 Model 792 & Model 793 StudioComm with Dante Support The configured delay time is referenced to the Model Submit Trim Values: The Submit Trim Values button 792 being configured for a sample rate of 48 kHz in is located below the field for channel 16. To save the Dante Controller application.
  • Page 25 Model 792 & Model 793 StudioComm with Dante Support Dante Stereo Input Menu This menu allows parameters related to the Model 792’s Dante Stereo Input to be configured. Label: This field allows a text name to be entered and 499 milliseconds. In this case, selecting a delay of 128 stored.
  • Page 26 Model 792 & Model 793 StudioComm with Dante Support Analog Stereo Input Menu This menu allows parameters related to the Model 792’s Analog Stereo Input to be configured. Label: This field allows a text name to be entered and 499 milliseconds. In this case, selecting a delay of 128 stored.
  • Page 27 Model 792 & Model 793 StudioComm with Dante Support Input Controls Menu This menu allows assignment of the Model 792’s audio sources to the Model 793’s four input select pushbutton switches. Input C: This configuration assigns which of the four...
  • Page 28 Model 792 & Model 793 StudioComm with Dante Support Analog Surround Output Menu This menu allows parameters related to the Model 792’s Analog Surround Output to be configured. Source: This is a configurable field with four choices: is active on the Model 793. When selected for Post-...
  • Page 29 Model 792 & Model 793 StudioComm with Dante Support Trim: Each of the sixteen channels associated with the Analog Surround Output can have its level indi- vidually adjusted (“trimmed”). The range is –20.0 to +20.0 in 0.1-dB steps. This function allows the relative level of each analog output channel to be adjusted as required.
  • Page 30 Model 792 & Model 793 StudioComm with Dante Support Dante Surround Output Menu This menu allows parameters related to the Model 792’s Dante Surround Output to be configured. Source: This is a configurable field with four choices: Output B function is active on the Model 793. The...
  • Page 31 Model 792 & Model 793 StudioComm with Dante Support range is –20.0 to +20.0 in 0.1-dB steps. This function allows the relative level of each transmitter (output) channel to be adjusted as required. It can also be used to compensate for input levels on associated devices that don’t support the Model 792’s –20 dBFS...
  • Page 32 Model 792 & Model 793 StudioComm with Dante Support Dante Stereo Output Menu This menu allows parameters related to the Model 792’s Dante Stereo Output to be configured. Source: This is a configurable field with four choices: devices that don’t support the Model 792’s –20 dBFS Off, Pre-Fader, Post-Fader Output A, and Post-Fader nominal Dante level.
  • Page 33 Model 792 & Model 793 StudioComm with Dante Support Output Controls Menu This menu allows parameters related to the Model 793’s display and output controls to be configured. It also allows parameters related to overall system operation to be configured.
  • Page 34 Model 792 & Model 793 StudioComm with Dante Support Submit: The Submit button is located at the bottom of the page. To save changes made to any of the fields in the Output Controls Menu requires that the Submit button be pressed. Once the Submit button is pressed the revised values will become active.
  • Page 35 Network Configuration Menu This menu shows the Dante interfaces’ IP addresses. It also allows display and configuration of the manage- ment interface’s network parameters. In addition, it offers a means of rebooting the StudioComm system. Dante IP Addresses address can also be configured for a manual (static or fixed) number using the Dante Controller application.
  • Page 36 Model 792 & Model 793 StudioComm with Dante Support The other RJ45 jack can be used to interconnect manually assigned with a fixed or static IP address. with another piece of networked equipment. But be The Current IP Address is not associated with the careful —...
  • Page 37 Model 792 & Model 793 StudioComm with Dante Support that their values cannot be manually changed. In this After entering an IP address using the standard dot- condition, they are display-only. Changing between decimal notation format (four octets separated by...
  • Page 38 Model 792 & Model 793 StudioComm with Dante Support System Reboot button be pressed. Initiating a reboot cycle for the Model 792 Central Controller and associ- ated Model 793 Control Console will cause the system to go into a mute all condition. This is a feature that will potentially protect monitor loudspeakers and the ears of users.
  • Page 39 Model 792 & Model 793 StudioComm with Dante Support Menu Access Menu As a security method a user name and password must be entered before the configuration webpages can be accessed. (This is what you did to get this far!) These values can be changed as desired.
  • Page 40 StudioComm with Dante Support System Information Menu This menu offers a means of restoring the StudioComm system’s default settings. If also shows the Model 792’s hardware serial number and firmware (embedded software) version numbers. In addition, it shows the version number of the Model 793’s firmware.
  • Page 41 Device. Clicking on it will cause the Dante identify will be disabled and only the mute mode and solo action to commence on the specific StudioComm sys- mode LEDs will be active. These two LEDs will light tem. A unique LED lighting sequence will take place on in an alternating pattern to indicate that the config- both the Model 792 and associated Model 793.

  • Page 42: Operation

    The Model 792’s front panel contains ten bi-color mode and related parameters. The network configu- LEDs which reflect the status of major StudioComm ration data is stored in non-volatile memory within the functions. The two power LEDs indicate the presence...
  • Page 43 It will light solid green when it has StudioComm system is performing. To make operating synchronized with a Dante network and an external topics easy to describe the Model 793’s functions are clock source (timing reference) is being received.
  • Page 44 Model 792 & Model 793 StudioComm with Dante Support Input Source Selection output levels. (This level control is the “fader” that relates to the term “post-fader” monitor outputs that The Model 793 provides four buttons to select which are mentioned in this guide.) input or inputs are to be monitored.
  • Page 45 Model 792 & Model 793 StudioComm with Dante Support The LED associated with the Reference Level button Level Control: The level control is used to manually can also serve as a calibration aid. If the Reference adjust the post-fader output level. It provides the...

  • Page 46: Technical Notes

    Model 792 & Model 793 StudioComm with Dante Support The information, including updated monitor level, a value less than –70.0 dB if the Dim function is will continue to show on the display until the knob enabled. As an example, begin with the level con- is again pressed.
  • Page 47 Model 792 & Model 793 StudioComm with Dante Support In this way, multiple Dante-enabled devices will con- Using the network configuration webpage provided nect together and automatically function, whether or as part of the Model 792’s management system the not a DHCP server is active on the LAN. Even two...
  • Page 48 Model 792 & Model 793 StudioComm with Dante Support file(s), ensuring that the required name or names are 6. At this time the Model 792 is functioning with the specified. For the main firmware the file name must newly loaded firmware and the USB flash drive be M792.bin.
  • Page 49 Model 792 & Model 793 StudioComm with Dante Support a .zip archive file. While the firmware file inside of the 4. Insert the prepared USB flash drive into the USB receptacle. (It must have the new M793.bin file in zip file will adhere to the naming convention required by the Model 793, the name of the zip file itself will its root folder.)
  • Page 50 Model 792 & Model 793 StudioComm with Dante Support the Model 793 will momentarily be shown. The System Information webpage from the Model 792’s web server can also be used to show the firmware version numbers for both the Model 793 and the Model 792.

  • Page 51: Specifications

    Model 792 & Model 793 StudioComm with Dante Support Specifications Dynamic Range: 120 dB, A-weighted Distortion (THD+N): <0.0004% (–108 dB), ref 1 kHz, Model 792 Central Controller +23 dBu input/–1 dBFS output Network Audio Technology: Frequency Response: ±0.2 dB, 14 Hz to 20 kHz...
  • Page 52 Model 792 & Model 793 StudioComm with Dante Support General Purpose Output (GPO): Model 793 Control Console Function: not implemented as of the writing of this guide Application: for use only with Model 792 Central Controller Type: active high, 3.3 volts DC in series with a 3.4 K (3400) ohm resistor (1 mA maximum);...

  • Page 53: Appendix A-Connection Pin-Out Charts

    Model 792 & Model 793 StudioComm with Dante Support Appendix A–Connection Pin-Out Charts Channel High (+) Low (–) Shield Channel High (+) Low (–) Shield Notes: Notes: 1) Connector type is 25-pin female D-subminiature (DB-25F). Installer 1) Connector type is 25-pin female D-subminiature (DB-25F). Installer must provide male (DB-25M).

  • Page 54: Appendix B-Network Configuration Examples

    Model 792 & Model 793 StudioComm with Dante Support Appendix B–Network Configuration Examples Issue 2, January 2023 Model 792/793 User Guide Page 54 Studio Technologies, Inc.
  • Page 55 Model 792 & Model 793 StudioComm with Dante Support Model 792/793 User Guide Issue 2, January 2023 Studio Technologies, Inc. Page 55...

  • Page 56: Appendix C-Default Dante Channel Names

    Model 792 & Model 793 StudioComm with Dante Support Appendix C–Default Dante Channel Names Dante Receivers (Inputs) Number Name Description Sur Ch1 Surround Input Channel 1 Sur Ch2 Surround Input Channel 2 Sur Ch3 Surround Input Channel 3 Sur Ch4...

  • Page 57: Appendix D-Factory Default Values

    Model 792 & Model 793 StudioComm with Dante Support Appendix D–Factory Default Values Dante Surround Input: Analog Surround Output: Network Configuration – Label: Dante Surround Source: Post-Fader Output A Management Addresses: Delay: 0 ms (all 16 channels) Trim: 0.0 dB (all 16 channels) IP Address Configuration: Automatic Trim: 0.0 dB (all 16 channels)

  • Page 58: Appendix E-Model 792 Control Using Http

    Model 792 & Model 793 StudioComm with Dante Support Appendix E–Model 792 Control using HTTP The Model 792 Central Controller allows the user to control the majority of the settings found on the Model 793 Control Console via an API using HTTP requests. This document will outline those settings and the usage of the API.
  • Page 59 Model 792 & Model 793 StudioComm with Dante Support 3. Channel Mute/Solo Selection (can only select one) Selection Value HTML Name Usage Mute mute ms=mute Solo solo ms=solo 4. Mute/Solo Channel Setting (can OR multiple) Mute/Solo Channel Value HTML Name...
  • Page 60 Model 792 & Model 793 StudioComm with Dante Support 6. Mute All Selection Selection Value HTML Name Usage Mute All On/Off mut=[on/off] 7. Dim Selection Selection Value HTML Name Usage On/Off dim=[on/off] 8. Level Control Setting Setting Value HTML Name...

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