Table of Contents

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, signs and symbols
4 General
5 Technical advice
6 Purpose of the system
7 Choosing the system supplier
8 Contractual provisions
9 Classification of systems
10 Design
11 Responsibility of the installer
12 Installation practices and workmanship
13 Inspection and testing of wiring
14 Commissioning
15 Documentation
16 Certification
17 Acceptance
18 Verification
19 Owner responsibilities
20 Operation and maintenance
21 User responsibilities
Annex A (informative) - HLS monitoring receivers
Annex B (informative) - What is a hearing-loop system
        (HLS) and how does it work?
Annex C (informative) - Explanations of the basis of
        the design formulas
Annex D (informative) - Explanation of the specification
        and measurement of magnetic field strength of
        induction-loop systems
Annex E (normative) - Specification of the PPM-based
        field strength meter
Annex F (informative) - Magnetic field direction near
        the loop conductor
Annex G (informative) - Direct-to-reverberant sound
        pressure ratio
Annex H (informative) - Model certificates
Bibliography

Abstract

Provides recommendations for and guidance on the design, planning, installation, testing, operation and maintenance of a hearing-loop system (HLS) intended for communicating speech, music and/or other signals.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 29