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Related Manuals for Studio Technologies 374A
Summary of Contents for Studio Technologies 374A
- Page 1 Model 374A Intercom Beltpack User Guide Issue 3, August 2019 This User Guide is applicable for serial numbers M374A-02501 and later with application firmware 1.3 and later Copyright © 2019 by Studio Technologies, Inc., all rights reserved www.studio-tech.com 50658-0819, Issue 3...
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Page 3: Table Of Contents
Table of Contents Revision History ............4 Introduction ..............5 Getting Started .............. 8 Operation ..............13 Technical Notes ............. 18 Specifications ..............23 Appendix A ..............24 Model 374A User Guide Issue 3, August 2019 Studio Technologies, Inc. Page 3... -
Page 4: Revision History
1. Documents revision to STcontroller (version 2.02.00 and later) which separates microphone power and microphone gain configuration. Issue 2, April 2019: 1. Documents new receive and send call function. Issue 1, June 2018: 1. Initial release. Issue 3, August 2019 Model 374A User Guide Page 4 Studio Technologies, Inc. -
Page 5: Introduction
Figure 1. Model 374A Intercom Beltpack top and bottom views Model 374A User Guide Issue 3, August 2019 Studio Technologies, Inc. Page 5... - Page 6 24 with a sampling rate eliminates the need for the four rotary level of 48 kHz. The Model 374A is AES67 controls from having to directly handle compatible and compliant with the Dante analog audio signals.
- Page 7 This flexibility allows a variety of listening environments to be created, including Configuration Flexibility stereo, single-channel monaural, and A highlight of the Model 374A is its ability dual-channel monaural. to be easily configured to meet the needs of specific users and applications. All Ethernet Data and PoE configuration choices are made using...
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Page 8: Getting Started
XLR connector that interfaces with the be made using the two connectors located microphone and headphone connec- on the bottom of the Model 374A’s enclo- tions of an intercom or broadcast-style sure. An Ethernet data connection with headset. Refer to Figure 2 for connection Power-over-Ethernet (PoE) capability will details. - Page 9 (short) pins 4 and receiver (Rx) channels. This achieves rout- 5 of the Model 374A’s headset connector ing the Model 374A’s four talk output audio as damage to the Model 374A’s output channels to the device (or devices) that will circuitry could result.
- Page 10 (LAN) and subnet as to “sync” to another device that is serving the Model 374A unit or units that are to be as the “grand master.” configured. The Model 374A has a default Dante...
- Page 11 The three options provide flexibility When a dynamic microphone is con- in how the audio sources are presented nected to the Model 374A the 42 dB gain to the user. When using a stereo (“double setting may be correct for many applica- muff”) headset it’s common for the audio...
- Page 12 INTERCOM BELTPACK input sources to be routed to both the left Button Operation and right channels. But the Model 374A’s Choices are Push to Talk, Push to Talk/ flexibility allows each source to be inde- Tap to Latch, Talk Disabled, Talk Disabled/ pendently configured for sending to the...
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Page 13: Operation
Dante transmitter channel. This is an interesting mode, allowing one or Operation more Model 374A audio channels to serve in a “monitor mixer” function. The button At this point everything should be ready will allow quick on/off control while the ro- and Model 374A operation can commence. - Page 14 Dante device. The SYNC LED sent to the 2-channel headphone output. will light red when the Model 374A is not Depending on the configuration of the synchronized with a Dante network. It will...
- Page 15 Dante Four pushbutton switches are associated audio output channel. Instead the button with the Model 374A’s four channels. How will operate in a tap to enable/tap to dis- they function will depend on the configura- able (alternate action or “toggle”) manner...
- Page 16 And while the user isn’t The Model 374A allows a call signal to be provided with a sidetone level control or sent on channels 1, 2, and 3. This requires other adjustment means, should the need that button 4 be configured to the Call...
- Page 17 Mic Kill Function such as the Studio Technologies’ Model 45DR Intercom Interface, call signaling The Model 374A includes a mic kill func- is fully compatible. Compatibility with the tion, allowing talk buttons that have been Clear-Com® method of call functionality...
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Page 18: Technical Notes
Global Kill Command method is enabled latency (delay) in the data flow. And an the Model 374A will respond to any such Ethernet switch will provide this. While this request and force all talk channels to their is certainly an anomaly, since PoE power disabled state. - Page 19 MODEL 374A INTERCOM BELTPACK Optimizing Network plication of PoE power the Model 374A will go through its normal power-up sequences Performance followed by a display of the firmware ver- For best Dante audio-over-Ethernet sion. The LED associated with the channel performance a network that supports VoIP 1 button will “flash”...
- Page 20 firmware. At this point the file will automatically load into the processor’s flash memory. The 6. At this time the Model 374A is operat- precise steps required will be highlighted ing under the newly saved application in the next paragraphs of this guide.
- Page 21 Model 374 the desired version is present. Intercom Beltpack and the newer Model 374A that is described in this guide. A 8. Once the update process has been comparison chart is available on the Stu- completed reverse the steps and reat- dio Technologies’...
- Page 22 • The Model 374A allows button 4 to be used as a call button function. Belt Clip The belt clip is attached to the back of the Model 374A’s enclosure by way of two...
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Page 23: Specifications
Threshold: 1 dB above nominal level (–19 dBFS) Mounting: intended for portable applications; Slope: 2:1 contains integral belt clip; optional MBK-01 Status LED: compressor active Mounting Bracket Kit allows Model 374A to be Headphone Output: permanently mounted Type: 2-channel Weight: 0.6 pounds (0.3 kg) - Page 24 MODEL 374A INTERCOM BELTPACK Appendix A STcontroller default Model 374A configuration values: Microphone Input – Electret Power: Off Microphone Input – Gain: 42 dB Headphone Output – Channel 1 Input Routes to: Left Headphone Output – Channel 2 Input Routes to: Right Headphone Output –...
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