Sine Systems AFS-3 Specifications

Nashville, TennesseeAudio Failsafe– Instruction Book –This documentation is valid forAudio Failsafe hardware version 2.00Model AFS-1

5.9 Modifying Operating ParametersThe AFS-1 operating parameters can easily be modified to suit special applications. Theperiod of time required afte

Section 6 — Circuit Description6.1 Audio SectionThe first two sections of U1 are balanced audio input stages of the "A" and "B" au

Table of ContentsSection 1 — Warranty/Product RegistrationParagraph Title Page Number1.1 Warranty 1.11.2 Suitability For Use 1.11.3 Product Registrati

Section 6 — Circuit DescriptionParagraph Title Page Number6.1 Audio Section 6.16.2 Power Supply 6.1Section 7 — Illustrations and DiagramsParagraph Tit

Section 1 — Warranty/Product Registration1.1 WarrantySine Systems, Inc. agrees to repair or replace the AFS-1 Audio Failsafe at no cost, if theunit fa

Section 2 — Safety Information2.1The AFS-1 Audio Failsafe should be installed only by qualified technical personnel.Incorrect or inappropriate install

Section 3 — Specifications3.1 GeneralOutput Relay Operation Output relay contact closes within one second afteraudio becomes present and remains close

Section 4 — Equipment Description4.1 Functional DescriptionThe AFS-1 is designed to monitor one or two audio signals and provide a relay contactclosur

Section 5 — Installation Installation of the AFS-1 Audio Failsafe should beperformed only by a qualified technician. Installation is not difficul

Although the relay contacts are rated at 120 volts AC,it is not recommended that 120 volts AC be connected to the AFS-1. The screw-terminal connec