Studio Technologies M234-00151 User Manual
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Studio Technologies M234-00151 User Manual

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Model 234
Announcer's Console
User Guide
Issue 7, January 2023
This User Guide is applicable for serial numbers
M234-00151 and later with Main Firmware version 3.05 and later
and STcontroller software application version 3.10.07 and later
Copyright © 2023 by Studio Technologies, Inc., all rights reserved
studio-tech.com
50686-0123, Issue 7

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Summary of Contents for Studio Technologies M234-00151

  • Page 1 Issue 7, January 2023 This User Guide is applicable for serial numbers M234-00151 and later with Main Firmware version 3.05 and later and STcontroller software application version 3.10.07 and later Copyright © 2023 by Studio Technologies, Inc., all rights reserved studio-tech.com...
  • Page 2 This page intentionally left blank.

  • Page 3: Table Of Contents

    Technical Notes ......................26 Specifications ......................32 Appendix A: STcontroller Default Configuration Values ..........34 Appendix B: 3-Pin Header Connector Details ............35 Appendix C: Block Diagram ..................36 Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 3...

  • Page 4: Revision History

    Adds technical note regarding level attenuation in Dante Aux and Talkback transmitter (output) channels when Analog Mic Output is configured for Switched. Issue 1, August 2020: • Initial release. Issue 7, January 2023 Model 234 User Guide Page 4 Studio Technologies, Inc.

  • Page 5: Introduction

    Four independent Dante talkback channels allow users to cations. And using the Studio Technologies’ STcontroller communicate with a variety of support personnel. Among software application makes “customizing” the operation the range of operating capabilities includes the ability to of a Model 234 fast and simple.
  • Page 6 Model 234 operating features are configured using the and two headphone monitor output channels. Studio Technologies’ STcontroller software application. The Audio input signals arrive into the Model 234 by way of nine extensive set of parameters allows the unit’s functions to Dante receiver (input) channels and pass into the Model be tailored to meet the needs of many, many applications.

  • Page 7: Getting Started

    PoE capability will be utilized. It’s also possible to connect tion is not sufficient. The Secondary Ethernet connection an external source of 12 volts DC to power the Model 234. Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 7...
  • Page 8 No Model 234 action will impact (input) channel. In this section, details on connecting an this signal. If the analog microphone output is configured analog microphone will be provided. Issue 7, January 2023 Model 234 User Guide Page 8 Studio Technologies, Inc.

  • Page 9: Dante Configuration

    Dante transmitter (output) channels will function only the tip lead of the plug, the right channel on the ring lead, in multicast; unicast is not supported.) and common on the sleeve lead. Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 9...
  • Page 10 Dante devices. If both of the Model 234’s RJ45 connec- its timing reference (“sync”) from another device. As such, tions are routed to ports on the same LAN this will typically Issue 7, January 2023 Model 234 User Guide Page 10 Studio Technologies, Inc.

  • Page 11: Model 234 Configuration

    Model 234 unit(s) that are to be configured. Immediately after starting STcontroller the application will locate all the Studio Technologies’ devices that it can control. The one or more Model 234 units to be configured will appear in the device list.
  • Page 12 An audio signal that arrives by way of the Model 234’s Dante Mic In receiver Issue 7, January 2023 Model 234 User Guide Page 12 Studio Technologies, Inc.
  • Page 13 A separate input gain setting is provided in STcontroller if Dante reference level which Studio Technologies considers the microphone source has been selected to be the Dante to be –20 dBFS. (This is 20 dB below digital maximum.) Mic In receiver (input) channel.
  • Page 14 If Always On is selected then audio from the ety of audio signals. Each configuration choice has been Issue 7, January 2023 Model 234 User Guide Page 14 Studio Technologies, Inc.
  • Page 15 If the Main Button choice is selected then sidetone audio Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 15...
  • Page 16 Main – Encoder 2 Tap to Mute: The configuration choices for Main – Encoder 2 Tap to Mute are the same as those provided for Main – Encoder 1 Tap to Mute. Issue 7, January 2023 Model 234 User Guide Page 16 Studio Technologies, Inc.
  • Page 17 (input) channel will be routed to the analog and only apply to the specific talkback function that is being Dante headphone outputs. This is a somewhat esoteric configured, i.e., Talkback 1, Talkback 2, etc. Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 17...
  • Page 18 Mutes would typically be selected. In Talk, whenever the associated talkback function is active this way, a user pressing a talkback button will cause Issue 7, January 2023 Model 234 User Guide Page 18 Studio Technologies, Inc.

  • Page 19: Operation

    For example, intercom have been made. stations, such as the Studio Technologies’ Model 348, can Using the Dante Controller software application the Model generate call signals which can be detected by the Model 234’s network interface and audio channel routing configu-...
  • Page 20 Model 234 is not synchronized with a Dante network. It will light solid green when the Model 234 Using the Studio Technologies’ STcontroller software ap- is synchronized with a Dante network and an external clock plication, the Model 234’s operating configuration should source (timing reference) is being received.
  • Page 21 When configured for the 3-pin female XLR connector located on the Model 234’s Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 21...
  • Page 22 (IFB) systems, matrix intercom frames, or audio Talk: When a talkback button function has been config- consoles. ured for this mode and its button is active then audio from Issue 7, January 2023 Model 234 User Guide Page 22 Studio Technologies, Inc.
  • Page 23 Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 23...
  • Page 24 (tapping) a rotary encoder Issue 7, January 2023 Model 234 User Guide Page 24 Studio Technologies, Inc.
  • Page 25 When set for Call Light the associated talkback channel’s rotary encoder knob will flash orange the clockwise or counterclockwise direction. The multi- Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 25...

  • Page 26: Technical Notes

    DHCP (Dynamic Host Configuration Proto- where call light signals are present. For example, many col). If a DHCP server is not detected an IP address will products from Studio Technologies utilize high-frequency automatically be assigned using the link-local protocol. tones for call light signaling.
  • Page 27 Studio Technologies. Please refer to the website for details muting circuit. If the analog microphone output has been on what is available.
  • Page 28 IFB controllers or de- that the flex cable is not damaged while the Model 234 is vices such as the Studio Technologies’ Model 5422A Dante being customized. Intercom Audio Engine. These IFB signals would then be If one or two connectors are installed in the Model 234’s...
  • Page 29 Model 234 will have its limiter function located on the motherboard) in which all audio processing frequently active is to revise the microphone preamplifier is performed. Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 29...
  • Page 30 Power-over-Ethernet (PoE) associated with features or correct issues. Refer to the Studio Technologies’ an Ethernet signal connected to Primary-PoE jack or website for the latest firmware files. The unit has the ability from a 12 volts DC source.
  • Page 31 Device tab and then select the Factory Defaults feature. Then click on the OK box. Refer to Appendix A for a list of the factory default values. Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 31...

  • Page 32: Specifications

    Threshold: 12 dB above nominal level (–8 dBFS) Minimum On Time: 30 milliseconds Maximum Attenuation: 16 dB at 36 dB or greater microphone preamplifier gain Issue 7, January 2023 Model 234 User Guide Page 32 Studio Technologies, Inc.
  • Page 33 Analog Microphone Input: 3-pin header located on the analog circuit board Spare Connector Locations: 2 Allows a Studio Technologies’ cable assembly or option module to be installed. Also compatible with Neutrik NC*D-L-1 connectors (*=3F, 3M, 5M, 6F, 6FS, etc.). Configuration: requires Studio Technologies’...

  • Page 34: Appendix A: Stcontroller Default Configuration Values

    Phones Routing: Left and Right Listen Mode: Always Encoder Tap to Mute: Enabled Button Mode: Hybrid Button Function: Talk Impact on Main Output: Mutes Tone Detect Function: None Issue 7, January 2023 Model 234 User Guide Page 34 Studio Technologies, Inc.

  • Page 35: Appendix B: 3-Pin Header Connector Details

    P8: DC Output Pin 1: Common (–) Pin 2: +12 volts DC Nominal; range 10-18 volts DC Pin 3: Not Used Note: Output not current limited – be careful! Model 234 User Guide Issue 7, January 2023 Studio Technologies, Inc. Page 35...

  • Page 36: Appendix C: Block Diagram

    Model 234 ANNOUNCER’S CONSOLE Appendix C: Block Diagram The following block diagram shows a simplified version of the microphone input and microphone output circuitry. Issue 7, January 2023 Model 234 User Guide Page 36 Studio Technologies, Inc.

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