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Related Manuals for Studio Technologies 381
Summary of Contents for Studio Technologies 381
- Page 1 Model 381 On-Air Beltpack User Guide Issue 1, January 2019 This User Guide is applicable for serial numbers M381-00151 and later with application firmware 1.1 and later Copyright © 2019 by Studio Technologies, Inc., all rights reserved www.studio-tech.com 50663-0119, Issue 1...
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Page 3: Table Of Contents
Table of Contents Revision History ............4 Introduction ..............5 Getting Started ............. 8 Operation ..............14 Technical Notes ............18 Specifications ............... 22 Appendix A ..............23 Model 381 User Guide Issue 1, January 2019 Studio Technologies, Inc. Page 3... -
Page 4: Revision History
MODEL 381 ON-AIR BELTPACK Revision History Issue 1, January 2019: • Initial release. Issue 1, January 2019 Model 381 User Guide Page 4 Studio Technologies, Inc. -
Page 5: Introduction
“click-free.” sidetone operation, and talkback button Figure 1. Model 381 On-Air Beltpack top and bottom views Model 381 User Guide Issue 1, January 2019 Studio Technologies, Inc. - Page 6 Setup and Operation plugs, etherCON allows a ruggedized and locking interconnection for harsh or high- Set up and operation of the Model 381 is reliability environments. The Model 381’s simple. An etherCON® RJ45 jack is used operating power is provided by way of the to interconnect with a standard twisted-pair Ethernet interface using the 802.3af Power-...
- Page 7 five choices. rates of 44.1, 48, 88.2, and 96 kHz with This allows the Model 381 to match the out- a bit depth of up to 24. The audio signal, put sensitivity of a range of handheld and now in the digital domain, routes through a headset-associated microphones.
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Page 8: Getting Started
Ethernet Firmware Updating data interface and power for the Model The Model 381 was designed so that its 381’s circuitry. A 10BASE-T connection is capabilities and performance can be en- not sufficient as Dante does not support hanced in the future. - Page 9 If a 3-conductor ¼-inch plug is used by the receiver (Rx) channels. This achieves rout- device it should be wired such that the tip ing the Model 381’s two output audio chan- lead is connected to the positive terminal nels to the device (or devices) that will be of the transducer and the sleeve lead is “listening”...
- Page 10 This personal computer must be signals. on the same local area network (LAN) and subnet as the Model 381 unit or units that The Model 381 has a default Dante device are to be configured. Immediately after start- name of ST-M381- and a unique suffix.
- Page 11 Choices are Ch 1 Level / Ch 2 Level, Ch 1 is distinct and careful selection will help op- & 2 Level / Balance, and Ch 1 & 2 Level / timize the Model 381’s operation for a range Sidetone Level. of applications.
- Page 12 Always Active. nal will be determined by the configuration of The overall mode of the Model 381’s side- the Fixed Sidetone Level setting. tone function can be configured. Sidetone is Ch 1 &...
- Page 13 Fixed Side- talkback output is active. Upon power being tone Level setting. This level can be selected initially applied to the Model 381 the main from among five values. The correct value output function will be active and the talk- is simply the one that makes the user most back button will be lit green.
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Page 14: Operation
Initial Operation (after) the Model 381 in the audio chain. The downside of selecting pre-compressor The Model 381 will start to function as soon is an increased risk of signal overload. as a Power-over-Ethernet (PoE) power source is connected. However, it may take... - Page 15 It will slowly the circuitry the compressor active LED will flash green when the Model 381 is part of a function whether or not the main, talkback, Dante network and it is serving as a clock or sidetone functions are active.
- Page 16 Ch 2 input audio signal as it is The position of the controls is recognized being sent to the right headphone output. by the Model 381’s processor which then The control on the right, labeled B, will adjusts the actual signal level within the adjust the level balance of both audio input digital domain.
- Page 17 Sidetone Function Activity channels. The control on the right, labeled B, adjusts the level of the sidetone audio The Model 381’s sidetone function is used as it is being sent to both the left and right to send post-compressor microphone audio channels of the headphone output.
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Page 18: Technical Notes
Dante main out- IP Address Assignment put channel but instead is routed to the By default, the Model 381’s Ethernet inter- Dante talkback output channel. In this way face will attempt to automatically obtain an the “on-air”... - Page 19 “flash” green in color to display the major to the Model 381. Then by using the appro- version number and then “flash” orange priate ARP command the required “clues”...
- Page 20 file’s version number. For example, a file firmware version to be identified. Connect named m381v1r2MCU.zip would indicate the Model 381 unit to the network and let that version 1.2 of the application firmware it connect and start to function. Then, after (m381.bin) is contained within this zip file.
- Page 21 MODEL 381 ON-AIR BELTPACK Ultimo Firmware Update 5. After a few seconds the Model 381 will run a “boot loader” program that will As previously discussed in this guide, automatically load the new application the Model 381 implements Dante con- firmware file (m381.bin).
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Page 22: Specifications
Headphone Output: ¼-inch 3-conductor jack (post-compressor) Ethernet: Neutrik etherCON RJ45 Number of Receiver (Input) Channels: 2 USB: type A receptacle (located inside Model 381’s Description of Receiver Channels: headphone enclosure and used only for updating firmware) channel 1 and headphone channel 2 Configuration: uses Studio Technologies’... - Page 23 MODEL 381 ON-AIR BELTPACK Appendix A STcontroller default Model 381 configuration values: Microphone Input – P48 Phantom Power: Off Microphone Input – Gain: 42 dB Headphone Output – Routing: Dual-Channel Stereo Headphone Output – Controls (A/B): Ch 1 Level/Ch 2 level Headphone Output –...
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