Studio Technologies 371A Скачать руководство пользователя страница 20

Issue 1, June 2018 

Model 371A User Guide 

Page 20 

Studio Technologies, Inc. 

MODEL 371A

INTERCOM BELTPACK

comparison chart is available on the  

Studio Technologies website. In addition, 

the following text provides a summary of 

the changes:

• All configuration selections for the  

Model 371A are performed using the ST-

controller software application. STcon-

troller also allows the version numbers 

of the Model 371A’s application firm-

ware (embedded software) and Ultimo 

firmware to be remotely identified.

• Support for electret microphones was 

added to the Model 371A. This involved 

adding a 5 volt DC power source to the 

microphone input circuitry. This power 

source can be enabled or disabled as 

required using STcontroller.

• The configurable microphone input gain 

settings were modified to be compatible 

with the increased output level supplied 

by electret microphones.

• The DIP switch assembly on the Model 

371 is not present on the Model 371A. 

As such the belt clip no longer needs 

to be rotated and its mounting arrange-

ment has been changed.

• The user-accessible sidetone trim po-

tentiometer found on the Model 371  

is not present on the Model 371A. In  

the Model 371A the level of the side- 

tone function is configured using  

STcontroller.

• The Model 371A offers a second meth-

od of activating the mic kill function. This 

allows a data signal, in additional to the 

Device ID

 command, to activate mic kill.

• The STcontroller software application 

now offers the ability to configure the 

mic kill function, including allowing it to 

be disabled.

Belt Clip

The belt clip is attached to the back of the 

Model 371A’s enclosure by way of two 6-32 

thread, Philips-head machine screws. Un-

like other the original Model 371 Intercom 

Beltpack units, the belt clip on the Model 

371A will never have to be rotated as part 

of the configuration process. (There are no 

configuration DIP switches under the belt 

clip.) But if the belt clip does need to be 

replaced a #1 Philips-head screw driver 

would be the correct tool to remove the 

machine screws.

Restoring Factory Defaults

A command in the STcontroller software  

application allows the Model 371A’s con-

figuration to be reset to the factory default 

values. From STcontroller select the Model 

371A 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. The values shown on 

the screen should reflect the default values. 

They are:

  Microphone Input Type: Dynamic
  Microphone Preamplifier Gain:  

Low (42 dB)

  Sidetone Level: Medium
  System Mic Kill: Device ID/Global Kill 

Command

  Button Operation – Channels 1 and 2: 

Push to Talk/Tap to Latch

Содержание 371A

Страница 1: ...ed www studio tech com 50655 0618 Issue 1 User Guide Issue 1 June 2018 This User Guide is applicable for serial numbers M371A 02501 and later with application rmware 1 1 and later and Dante rmware 1 0...

Страница 2: ...This page intentionally left blank...

Страница 3: ...A User Guide Issue 1 June 2018 Studio Technologies Inc Page 3 MODEL 371A INTERCOM BELTPACK Table of Contents Revision History 4 Introduction 5 Getting Started 7 Operation 12 Technical Notes 16 Speci c...

Страница 4: ...Issue 1 June 2018 Model 371A User Guide Page 4 Studio Technologies Inc MODEL 371A INTERCOM BELTPACK Revision History Issue 1 June 2018 1 Initial release...

Страница 5: ...ing the STcontroller software application Con gurable parameters include electret microphone powering microphone pre ampli er gain sidetone level and talk button operation User features include microp...

Страница 6: ...support electret microphones can be enabled if necessary The output of the microphone preamp and compressor is routed to an analog to digi tal converter ADC section that supports a sampling rate of 4...

Страница 7: ...et interface The physi cal interconnection is made by way of a Neutrik etherCON RJ45 receptacle While compatible with standard RJ45 plugs etherCON allows a ruggedized and locking interconnection for h...

Страница 8: ...ted etherCON connector or a standard RJ45 plug The Model 371A s Ethernet interface supports auto MDI MDI X so that a cross over cable will never be required Headset Connection The Model 371A provides...

Страница 9: ...ll up pull down val ues available The Model 371A can serve as the clock master for a Dante network but in most cases it will be con gured to sync to another device that is serving as the grand master...

Страница 10: ...12 or P48 phantom power that may be required for balanced condenser capacitor microphones This should not pose an issue as this type of microphone is essentially never associ ated with a headset that...

Страница 11: ...e au dio can also be disabled by selecting Off Selecting Off would be useful only in spe cial applications such as during trouble shooting or where user talk audio is being returned as part of their l...

Страница 12: ...mounted 4 pin female XLR connector should be plugged into the headset connector Using the Studio Technologies STcontroller software application the unit s con gura tion should have been selected to m...

Страница 13: ...g is taking place it s possible that changing the mic preamp gain to the higher setting would be ben e cial Note that due to the design of the circuitry the compressor active LED will function whether...

Страница 14: ...e sidetone audio should be excellent and will provide Model 371A users with a con dence signal that they are actively talking to other intercom users The exact sidetone level is con gured from among v...

Страница 15: ...s the orange LED associated with the call button will not light By using a 20 kHz tone for call signaling the Model 371A is compatible with legacy intercom equipment including the vener able RTS BP 32...

Страница 16: ...l 371A will respond to any such request and force all talk channels to their disabled state Technical Notes IP Address Assignment By default the Model 371A s Ethernet in terface will attempt to automa...

Страница 17: ...hernet per formance a network that supports VoIP Quality of service QoS capability is rec ommended This can be implemented on virtually all contemporary managed Ether net switches There are even speci...

Страница 18: ...USB interface The Model 371A implements a USB host function that directly supports connection of a USB ash drive The Model 371A s MCU updates its application rmware using a le named M371A bin The upda...

Страница 19: ...ed reverse the steps and reat tached the cover using the four machine screws Note that upon power being applied to the Model 371A if a connected USB ash drive doesn t have the correct le M371A bin in...

Страница 20: ...ng STcontroller The Model 371A offers a second meth od of activating the mic kill function This allows a data signal in additional to the Device ID command to activate mic kill The STcontroller softwa...

Страница 21: ...ingle channel sum combination of audio input 1 and audio input 2 Compatibility intended for connection headsets with nominal impedance of 50 ohms or greater Maximum Output Voltage 3 8 Vrms 1 kHz 150 o...

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