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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 1, April 2019
This User Guide is applicable for serial numbers
M372A-00151 and later with application firmware 1.1 and later
Copyright © 2019 by Studio Technologies, Inc., all rights reserved
www.studio-tech.com
50691-0419, Issue 1

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Summary of Contents for Studio Technologies 372A

  • Page 1 Model 372A Intercom Beltpack User Guide Issue 1, April 2019 This User Guide is applicable for serial numbers M372A-00151 and later with application firmware 1.1 and later Copyright © 2019 by Studio Technologies, Inc., all rights reserved www.studio-tech.com 50691-0419, Issue 1...
  • Page 2 This page intentionally left blank.

  • Page 3: Table Of Contents

    Table of Contents Revision History ............4 Introduction ..............5 Getting Started ............. 8 Operation ..............13 Technical Notes ............17 Specifications ............... 21 Appendix A ..............22 Model 372A User Guide Issue 1, April 2019 Studio Technologies, Inc. Page 3...

  • Page 4: Revision History

    MODEL 372A INTERCOM BELTPACK Revision History Issue 1, April 2019: • Initial release. Issue 1, April 2019 Model 372A User Guide Page 4 Studio Technologies, Inc.

  • Page 5: Introduction

    “gaming” headsets. serve a much more important role; the talk Figure 1. Model 372A Intercom Beltpack top and bottom views Model 372A User Guide Issue 1, April 2019 Studio Technologies, Inc.
  • Page 6 3.5 mm 4-conductor TRRS plug. These mod- audio’s bit depth is up to 24 with a sampling erately priced devices, commonly associated rate of 48 kHz. The Model 372A is AES67 with mobile phones or personal computers, compatible and compliant with the Dante are often of high-quality and may be pre- Domain Manager™...
  • Page 7 An LED displays the status Configuration Flexibility of the network connection. A highlight of the Model 372A is its ability to The Model 372A’s operating power is pro- be easily configured to meet the needs of vided by way of the Ethernet interface using specific users and applications.

  • Page 8: Getting Started

    372A Intercom Beltpack and a printed copy way of a cable-mounted etherCON connector of this guide. As a device that is Power-over- or a standard RJ45 plug. The Model 372A’s Ethernet (PoE) powered, no external power Ethernet interface supports auto MDI/MDI-X source is provided.
  • Page 9 5. Configuration choic- io the microphone would in most cases es, discussed later in this guide, can then be be a dynamic type as the Model 372A pro- used to create the desired monaural output. vides only low-voltage DC “electret” power.
  • Page 10 (output) channels provided by the desired source device. These two audio signals can Dante Configuration be sent to the Model 372A’s 2-channel head- For audio to pass to and from the Model phone output. 372A requires that several Dante-related The Model 372A supports an audio sample parameters be configured.
  • Page 11 If the associated headset has a dynamic on the same local area network (LAN) and (non-powered) microphone do not enable subnet as the Model 372A unit or units that the Electret Power check box. Most broad- are to be configured.
  • Page 12 INTERCOM BELTPACK When a dynamic microphone is connected audio signals are routed to the Model 372A’s to the Model 372A the 42 dB gain setting headphone output channels can be inde- should be appropriate for many applications. pendently configured. For flexibility, each The 36 dB choice may be correct should the input source has three routing options.

  • Page 13: Operation

    When the button is Initial Operation released audio will stop being sent out the The Model 372A will start to function as transmitter channel. Tapping (momentarily soon as a Power-over-Ethernet (PoE) power pressing) the button will cause the function source is connected.
  • Page 14 Two rotary potentiometers (“pots”), located the Dante interface and associated network. on the Model 372A’s top panel, allow in- The SYS LED will light red upon Model 372A dividual adjustment of the level of the two power up to indicate that the Dante inter- audio input signals as they are sent to the face is not ready.
  • Page 15 There is no means will not be lit when the function is not active. of adjusting the sidetone level using a physi- cal button or control on the Model 372A unit. Latching Also, the two headphone level controls on the If the button has been configured for the...
  • Page 16 (It converts the DC call signal associated with pin 3 of a Clear-Com party-line circuit to a The reason for the Model 372A to offer a 20 kHz tone.) Also, devices such as the mic kill function is simple. It’s common in Studio Technologies’...

  • Page 17: Technical Notes

    IP address. If knowl- the link-local protocol. This protocol is known edge of a Model 372A’s IP address has been in the Microsoft® world as Automatic Private misplaced there is no reset button or other IP Addressing (APIPA).
  • Page 18 Some implementations of EEE can incorrect- firmware version to be identified. Connect ly interpret that a connected Dante device is the Model 372A unit to the network and let not present and prevent proper operation. it connect and start to function. Then, after...
  • Page 19 M372Av1r2MCU.zip would indicate that the newly saved application firmware. version 1.2 of the application firmware 6. At this time the Model 372A is operat- (M372A.bin) is contained within this zip file. ing under the newly saved application firmware and the USB flash drive can be Once a correctly prepared USB flash drive is...
  • Page 20 Ultimo’s firmware version. (Use the Version selection under the Device tab.) The Ultimo firmware can be updated by way of the Model 372A’s Ethernet connection. The latest Ultimo firm- ware file is available on the Studio Technolo- gies’...

  • Page 21: Specifications

    Compatibility – Headset A: single- or dual-ear Ethernet: Neutrik NE8FBH etherCON RJ45 receptacle broadcast-style with dynamic or electret (low-voltage USB: type A receptacle (located inside Model 372A’s DC-powered) microphone: pin 1 mic common; pin 2 enclosure and used only for application firmware mic;...
  • Page 22 MODEL 372A INTERCOM BELTPACK Appendix A 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 –...