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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Using components of a sound system in an
  induction-loop system
6 Meters and test signals
7 Measurement of the magnetic background
  noise level of the installation site
8 Characteristics to be specified, methods of
  measurement and requirements
9 Setting up (commissioning) the system
Annex A (informative) - Systems for small useful
        magnetic field volumes
Annex B (informative) - Measuring equipment
Annex C (informative) - Provision of information
Annex D (informative) - Measuring speech signals
Annex E (informative) - Basic theory and practice
        of audio-frequency induction-loop systems
Annex F (informative) - Effects of metal in the
        building structure on the magnetic field
Annex G (informative) - Calibration of field-strength
        meters
Annex H (informative) - Effect of the aspect ratio of
        the loop on the magnetic field strength
Annex I (informative) - Overspill of magnetic field
        from an AFILS
Bibliography

BS EN 60118-4 ED.3