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Broadcast Tools Silence Monitor III Plus Installation And Operation Manual

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Installation and Operation Manual
SM-III Plus
Silence Monitor III Plus
Firmware Version 1.16 (PCB 103201 Rev E/F)
Manual Update: 12/22/11
Please check the label on U4 for the correct firmware version.
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.
Copyright, 1989 - 2011 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.

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Summary of Contents for Broadcast Tools Silence Monitor III Plus

  • Page 1 Please check the label on U4 for the correct firmware version. 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

    SM-III Plus Installation and Operation Manual Table of Contents Section Title Page # Introduction............3 Safety Information .

  • Page 3: Introduction

    SM-III Plus Installation and Operation Manual INTRODUCTION CAUTION! Thank you for your purchase of a Broadcast Tools® Silence Monitor III Plus Broadcast Tools® (referred to as the SM III Plus throughout this manual). We’re confident that this Products, as with any product will give you many years of dependable service.

  • Page 4: Product Description

    SM-III Plus Installation and Operation Manual PRODUCT DESCRIPTION The Broadcast Tools® Silence Monitor III Plus improves on the features of the orig- inal Broadcast Tools® SSM. The Silence Monitor III Plus is designed to monitor any stereo or two independent monaural sources, generate alarms and transparently switch to back-up source equipment when silence is detected.

  • Page 5: Installation Guidelines

    SM-III Plus Installation and Operation Manual INSTALLATION GUIDELINES Inspection: Please examine your SM III Plus for any damage that may have been sustained dur- ing shipping. If any is noted, please notify the shipper immediately and retain the packaging for inspection by the shipper. The package should contain the SM III Plus, 16.5 vac@600 ma wall power transformer and this manual.

  • Page 6: Remote Control

    SM-III Plus Installation and Operation Manual Remote Control CAUTION! • Mute input • Manual/Automatic (Arm) input Installation of the SM • Switcher Transfer Input III Plus in high RF • Reset input environments should be • Ext input performed with care. •...

  • Page 7: Programming Guidelines

    SM-III Plus Installation and Operation Manual PROGRAMMING GUIDELINES Mode Setup: Jp-2 selects the two operating modes: Installed = Stereo Removed = Dual Monaural Sensitivity Setup: A 4-position dipswitch is provided to change the sensitivity of the SM III Plus. Locate SW 7 and follow the grid below. Sensitivity SW 7-1 / Left (1) SW 7-2 / Left (1) SW 7-3 / Right (2)

  • Page 8: Restore Delay Timing

    SM-III Plus Installation and Operation Manual Time Delay Twenty (20) Second Resolution Table Restore timing setup: The SM III Plus restore time delay is set via SW 2, the first six positions of the dip- switch and Jp-1. The default for this jumper is installed. This provides TWO second resolutions.
  • Page 9 SM-III Plus Installation and Operation Manual November 19, 2007 Changes to the Broadcast Tools® SM-III with version 1.16 firmware. Please check the label on U4 for the correct firmware version. Restore timing setup: The SM III Plus restore time delay is set via SW 2, the first six positions of the dipswitch and Jp-1 The default for this jumper is installed.

  • Page 10: Operation Guidelines

    SM-III Plus Installation and Operation Manual OPERATION GUIDELINES Front panel switches: “XFER” switch Forces the SM III Plus between the main and back-up audio switcher input. “MUTE” switch Used to silence the sonalert. To permanently disable the sonalert, JP4 must be removed and stowed.

  • Page 11: Stereo Mode Operation

    SM-III Plus Installation and Operation Manual Dual Monaural Mode Operation : When the SM III Plus is armed, it will trigger in the absence of audio (see sensitiv- ity setup) on each of the independent channels after the delay time has expired (See delay dipswitch SW1).

  • Page 12: Specifications

    SM-III Plus Installation and Operation Manual SPECIFICATIONS IInput level: –20 to +27 dbu, balanced bridging (22 K ø), Program switcher: (2 x DPDT Relays) Any input level and impedance can be used. Inputs may be balanced or unbalanced. Output levels, impedance, distortion, noise and balancing will match that of the selected input.

  • Page 13: 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 14 November 19, 2007 SW2-7 now has two inde- pendent functions. Changes to the Broadcast Tools® SM-III with version 1.16 firmware. Please check the label Changes to the Broadcast Tools® SM-III with version 1.16 firmware. Please check the label When OFF, the SM-III on U4 for the correct firmware version.
  • Page 15 K8 AUX & Transfer Remote e-mail: voice: fax: support@broadcasttools.com 360.854.9559 866.783.1742 131 State Street, Sedro-Woolley, WA 98284 • 360.854.9559 • Fax 866.783.1742 Visit us online at www.broadcasttools.com Copyright © 1989-2008 by Broadcast Tools, Inc. All Rights Reserved. Modification Date: 04/08/08...
  • Page 16 Right Input One – Right Output – Alternate – Right Input Two 131 State Street, Sedro-Woolley, WA 98284 • 360.854.9559 • Fax 360.854.9479 Visit us online at www.broadcasttools.com Copyright © 1989-2006 by Broadcast Tools, Inc. All Rights Reserved. Date Modified: 11/29/06...

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