1、 IEC 61097-2 Edition 4.0 2021-06 INTERNATIONAL STANDARD Global maritime distress and safety system(GMDSS)Part 2:Cospas-Sarsat EPIRB Emergency position indicating radio beacon operating on 406 MHz Operational and performance requirements,methods of testing and required test results IEC 61097-2:2021-0
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9、ical entries in English and French,with equivalent terms in 18 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC 61097-2 Edition 4.0 2021-06 INTERNATIONAL STANDARD Global maritime distress and safety system(GMDSS)Part 2:Cospas-Sarsat EPIRB Emergency posi
10、tion indicating radio beacon operating on 406 MHz Operational and performance requirements,methods of testing and required test results INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 47.020.70 ISBN 978-2-8322-9925-8 Registered trademark of the International Electrotechnical Commission Warning!Make su
11、re that you obtained this publication from an authorized distributor.2 IEC 61097-2:2021 IEC 2021 CONTENTS FOREWORD.7 1 Scope.9 2 Normative references.9 3 Terms,definitions and abbreviated terms.11 3.1 Terms and definitions.11 3.2 Abbreviated terms.11 4 Performance requirements.11 4.1 Compliance.11 4
12、.2 General.12 4.3 Operational.14 4.3.1 Prevention of inadvertent activation.14 4.3.2 Immersion,buoyancy and drop into water.14 4.3.3 Activation.14 4.3.4 Self-test.14 4.3.5 Colour and retro-reflecting material.16 4.3.6 Lanyard.16 4.3.7 Exposure to the marine environment.17 4.3.8 Ergonomics.17 4.3.9 I
13、ndication of insufficient battery energy.18 4.4 Control and indicator functions.18 4.4.1 Control functions.18 4.4.2 Indicator functions.18 4.5 Float-free arrangements.19 4.5.1 General.19 4.5.2 External power or data connection.19 4.5.3 Ability to check the automatic release.19 4.5.4 Manual release.2
14、0 4.6 Environment for EPIRB.20 4.6.1 General.20 4.6.2 Temperature and icing.20 4.6.3 Wind speed.20 4.6.4 Stowage.20 4.6.5 Shock,vibration and other environmental conditions.20 4.7 Environment for float-free arrangement.20 4.8 Interference Electromagnetic compatibility.21 4.9 Maintenance.21 4.10 Safe
15、ty precautions.21 4.11 Equipment manuals.22 4.12 Labelling.23 4.12.1 Equipment labelling.23 4.12.2 Float-free arrangement labelling.24 4.12.3 Battery labelling.24 4.13 Installation.24 5 Technical characteristics.24 5.1 Transmitted frequency.24 5.2 Signal and message format.24 5.3 Distress message me
16、mory.25 IEC 61097-2:2021 IEC 2021 3 5.4 Beacon identification code.25 5.5 121,5 MHz homing signal.25 5.6 AIS locating signal.26 5.7 GNSS receiver and position reporting.27 5.8 RLS.27 5.8.1 RLS capability.27 5.8.2 RLS self-test.27 5.9 Power source.28 5.9.1 General.28 5.9.2 Battery life and expiry date.28 5.9.3 Expiry date indication.28 5.9.4 Reverse polarity protection.28 5.10 Antenna characteristics.29 6 Methods of testing and required test results.29 6.1 General.29 6.1.1 Purpose.29 6.1.2 Type a
