Studio Technologies 372A User Manual
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Studio Technologies 372A User Manual

Intercom beltpack
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Model 372A
Intercom Beltpack
User Guide
Issue 2, June 2023
This User Guide is applicable for serial numbers
M372A-00151 and later with application firmware 2.1 and later
Copyright © 2023 by Studio Technologies, Inc., all rights reserved
studio-tech.com
50691-0623, Issue 2

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  • Page 1 Model 372A Intercom Beltpack User Guide Issue 2, June 2023 This User Guide is applicable for serial numbers M372A-00151 and later with application firmware 2.1 and later Copyright © 2023 by Studio Technologies, Inc., all rights reserved studio-tech.com 50691-0623, Issue 2...
  • Page 2 This page intentionally left blank.

  • Page 3: Table Of Contents

    Table of Contents Revision History ..................... 4 Introduction ....................5 Getting Started....................7 Dante Configuration ..................9 Model 372A Configuration ................9 Operation ...................... 12 Technical Notes .................... 14 Specifications....................18 Appendix A: STcontroller Default Configuration Values ........ 20 Model 372A User Guide Issue 2.

  • Page 4: Revision History

    • Adds screen capture for the STcontroller application. • Miscellaneous improvements and clarifications. • Updated to meet latest document format. Issue 1, April 2019: • Initial release. Issue 2, June 2023 Model 372A User Guide Page 4 Studio Technologies, Inc.

  • Page 5: Introduction

    4-conductor TRRS plug. These moderately priced by producers, directors, or stage managers. Typically, devices, commonly associated with mobile phones or the Model 372A will be configured to be part of one personal computers, are often of high-quality and may talk-and-listen party-line intercom channel. During the be preferred for some applications.
  • Page 6 Dante interface. The Dante Identify command takes party-line intercom systems. Call signals can be useful on a unique role with the Model 372A. Not only will it to indicate to users that they are needed “on headset” cause the talk pushbutton’s orange LED to light in a or should be actively listening to an intercom channel.

  • Page 7: Getting Started

    RJ45 patch cable Ethernet Data and PoE or an etherCON protected RJ45 plug. A dual-channel The Model 372A connects to an Ethernet data net- or single-channel (dual- or single-ear) headset will work using a standard 100 Mb/s twisted-pair Ethernet be connected using a cable-mounted 5-pin male interface.
  • Page 8 The microphones used in these create a monaural output. headsets are electret type which require a low-voltage DC source for operation. The Model 372A is able to provide this power and requires only that the appro- priate setting in STcontroller be selected. Refer to Figure 3 for a detailed description of the compatible TRRS plug.

  • Page 9: Dante Configuration

    (LAN) and device, such as the Studio Technologies’ Model 5422A subnet as the Model 372A unit or units that are to be Dante Intercom Audio Engine, can be used to “repeat” configured.
  • Page 10 Immediately after starting STcontroller the application will locate and display the devices that it can control. All Model 372A units that are present on the network will be recognized and display on the device list. Use the Identify command to allow easy recognition of a specific Model 372A unit. Double clicking on a device name will cause the associated configuration menu to appear.
  • Page 11 When a dynamic microphone is connected to the both inputs to both headphone output channels is Model 372A the 42 dB gain setting should be appro- often referred to as a dual-channel mono output. If priate for many applications. The 36 dB choice may a monaural (“single muff”) headset is used, the Left...

  • Page 12: Operation

    Initial Operation range of the talk signal is being controlled. It’s perfect- The Model 372A will start to function as soon as a ly acceptable for this LED to light intermittently when- Power-over-Ethernet (PoE) power source is con- ever a user is talking at a normal voice level into the nected.
  • Page 13 There is no means of adjusting the sidetone level 372A’s talk channel. How the switch functions will using a physical button or control on the Model 372A depend on the configuration of the unit. unit. Also, the two headphone level controls on the Push to Talk: When the button has been configured top panel of the unit do not impact the sidetone level.

  • Page 14: Technical Notes

    This prevents users with extended high-frequency sensitivity, such as hosts The reason for the Model 372A to offer a mic kill func- and guests associated with dog shows, from receiving tion is simple. It’s common in intercom applications undesirable audio content.
  • Page 15 A selection in the STcontroller software application allows the Model 372A’s application firmware version Optimizing Network Performance to be identified. Connect the Model 372A unit to the For best Dante audio-over-Ethernet performance network and let it connect and start to function. Then,...
  • Page 16 Power-over-Ethernet (PoE) Ethernet source. to correct issues. Refer to the Studio Technologies’ 5. After a few seconds the Model 372A will run a “boot website for the latest application firmware file. The loader” program that will automatically load and unit has the ability to load a revised file into its MCU’s...
  • Page 17 Model 372A for which you want to restore its defaults. Select the Device tab and then select the Factory Defaults feature. Then click on the OK box. Refer to Appendix A for a list of the Model 372A’s factory default values. Model 372A User Guide Issue 2.

  • Page 18: Specifications

    1 phones right; ring 2 common; sleeve mic Ethernet: Neutrik NE8FBH etherCON RJ45 jack Audio Channels: 1 talk, 2 listen USB: type A receptacle (located inside Model 372A’s Microphone Input: enclosure and used only for application firmware Compatibility: dynamic or electret (low-voltage...
  • Page 19 Deployment: intended for portable applications; contains integral belt clip Weight: 0.5 pounds (0.23 kg) Specifications and information contained in this User Guide subject to change without notice. Model 372A User Guide Issue 2. June 2023 Studio Technologies, Inc. Page 19...

  • Page 20: Appendix A: Stcontroller Default Configuration Values

    Model 372A INTERCOM BELTPACK Appendix A: STcontroller Default Configuration Values STcontroller default Model 372A configuration values: Microphone Input – Electret Power: Off Microphone Input – Gain: 36 dB Headphone Output – Channel 1 Input Routes to: Left Headphone Output – Channel 2 Input Routes to: Right Headphone Output –...

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