Broadcast Tools Silence Sentinel Standard Installation And Operation Manual
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Broadcast Tools Silence Sentinel Standard Installation And Operation Manual

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P R O B L E M S O LV E D
Installation and Operation Manual
If you need a firmware upgrade, contact Broadcast Tools®
No part of this document may be reproduced or distributed without permission.
ALL SPECIFICATIONS AND FEATURES FOR THIS PRODUCT ARE SUBJECT TO
NOTE: We recommend the use of Chrome, Firefox or Safari as your browser.
Due to the dynamic nature of product design, the information contained in this
document is subject to change without notice. Broadcast Tools, Inc., assumes no
responsibility for errors and/or omissions contained in this document. Revisions
of this information or new editions may be issued to incorporate such changes.
Broadcast Tools® is a registered trademark of Broadcast Tools, Inc.
All Sentinel® labeled products are registered trademarks of Broadcast Tools, Inc.
Copyright® 1989 - 2017 by Broadcast Tools, Inc. All rights reserved.
No part of this document may be reproduced or distributed without permission.
Visit www.broadcasttools.com for important product update information.
®
Silence Sentinel
Firmware version: PIC1.04 or greater.
Manual updated 02/02/2017
CHANGE WITHOUT NOTICE
®
Standard

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Summary of Contents for Broadcast Tools Silence Sentinel Standard

  • Page 1 NOTE: We recommend the use of Chrome, Firefox or Safari as your browser. Due to the dynamic nature of product design, the information contained in this document is subject to change without notice. Broadcast Tools, Inc., assumes no responsibility for errors and/or omissions contained in this document. Revisions of this information or new editions may be issued to incorporate such changes.

  • Page 2: Table Of Contents

    Silent Sentinel ® Standard Installation and Operation Manual Table of Contents Section Title Page # Introduction............3 Safety Information .

  • Page 3: Introduction

    Silent Sentinel ® Standard Installation and Operation Manual INTRODUCTION CAUTION! Thank you for your purchase of a Broadcast Tools ® Silence Sentinel ® Standard (referred to as the Silence Sentinel ® Standard throughout this manual). We’re con- Broadcast Tools ®...

  • Page 4: Product Overview

    Silent Sentinel ® Standard Installation and Operation Manual Product Overview The Broadcast Tools ® Silence Sentinel ® Standard is designed to monitor any two stereo analog audio sources for silence or an out of phase condition, polarity, gener- ate alarms and transparently switch to a back-up source using mechanically latching relays.

  • Page 5: Installation Guidelines

    Silent Sentinel ® Standard Installation and Operation Manual Installation Guidelines CAUTION! Inspection Installation of the Please examine your Silence Sentinel Standard for any damage that may have been ® Silence Sentinel® sustained during shipping. If any is noted, please notify the shipper immediately and Standard in high RF retain the packaging for inspection by the shipper.

  • Page 6: Relay And Open Collector Connections

    Silent Sentinel ® Standard Installation and Operation Manual Connecting your equipment Silence Sentinel® Standard connection configuration for Backup Switching: 1. Connect the source (MAIN/PRIMARY) equipment (Console, Automation, etc) to 1L- and 1L+ for the left channel and 1R- and 1R+ for the right channel. 2.

  • Page 7: Remote Control Connections

    Silent Sentinel ® Standard Installation and Operation Manual Remote Control connections The Silence Sentinel® Standard has for four remote control inputs that and accept momentary contact closures, open collector, or TTL/CMOS input logic levels. Each input is pulled high (5-volts) through a 22K resistor and is considered active/on when pulled low to ground.

  • Page 8: Programming Guidelines

    Silent Sentinel ® Standard Installation and Operation Manual Programming Guidelines DIPSwitch Setup Locate dipswitch SW-5 & 6 on the rear panel of the unit and follow the grids below. Delay timing setup The alarm delay time period is the time between when valid audio fails and when an alarm is triggered.

  • Page 9: Restore Timing Setup

    Silent Sentinel ® Standard Installation and Operation Manual Restore timing setup The restore period is the time between when valid audio returns and when the alarm is cleared. The Silence Sentinel® Standard restore time delay is with the first 7-positions on the SW6 dipswitch of the back of the unit. Up = Off, Down = On. The table below provides TWO second resolution settings.

  • Page 10: Silence Sense Threshold Settings

    Silent Sentinel ® Standard Installation and Operation Manual Silence sense threshold settings The silence sensor trip levels are referenced from zero dBu. Switches 8 and 9 on dip- switch SW6 are used to set the silence sensor trip levels. The factory default is both switches OFF, (-20).

  • Page 11: Operational Guidelines

    Silent Sentinel ® Standard Installation and Operation Manual Operational Guidelines Operation Front Panel LED indicators • “PWR/HB” LED: Blinks to indicate operation when power is applied. (Green) • “EXT” LED: Lit when EXTernal alarm input is active. (Yellow) • “ALM-1” LED: Lit = Input 1 silence alarm. Flashing = Input 1 phase alarm. (Red) •...
  • Page 12 Silent Sentinel ® Standard Installation and Operation Manual When both stereo channels on Input 1 return to normal (above the silence sense threshold) the following action occurs: 1. The front panel Input 1 ACT LED will light to indicate that the audio on both of the Input 1 stereo channels is above of the silence sense threshold.

  • Page 13: Specifications

    Silent Sentinel ® Standard Installation and Operation Manual Specifications Input Level: -15 to +24 dBu, MIL. 22 K ohm, balanced. Silence Sense trip levels: -20, -25, -30 and -35dB below zero reference. Alarm Delay: OFF to 85 minutes in 20 seconds increments and OFF to 8 minutes, 30 seconds in 2 second increments.

  • Page 14: Warranty

    If Broadcast Tools is notified, in writing, of a failure of any item manufactured by Broadcast Tools to conform to the foregoing Limited Warranty within one (1) year following the date of the Buyer’s acquisition of the item, and if the item is returned to Broadcast Tools in accordance with Broadcast Tools’...
  • Page 15 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
  • Page 16 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
  • Page 17 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
  • Page 18 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...
  • Page 19 Product_Name Installation and Operation Manual APPENDIX e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742...

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