1、 IEC 61097-4 Edition 3.0 2012-05 INTERNATIONAL STANDARD Global maritime distress and safety system(GMDSS)Part 4:Inmarsat-C ship earth station and Inmarsat enhanced group call(EGC)equipment Operational and performance requirements,methods of testing and required test results IEC 61097-4:2012(E)Copyri
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10、rther reproduction or distribution is permitted.Uncontrolled when printed.IEC 61097-4 Edition 3.0 2012-05 INTERNATIONAL STANDARD Global maritime distress and safety system(GMDSS)Part 4:Inmarsat-C ship earth station and Inmarsat enhanced group call(EGC)equipment Operational and performance requiremen
11、ts,methods of testing and required test results INTERNATIONAL ELECTROTECHNICAL COMMISSION U ICS 47.020.70 PRICE CODE ISBN 978-2-83220-108-4 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.Copyri
12、ghted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 61097-4 IEC:2012(E)CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Performance requirements.7 3.
13、1 Overview.7 3.2 Non-operational requirements.8 3.2.1 General.8 3.2.2 Warning of radiation hazard.8 3.2.3 Power supply changeover.8 3.3 Operational requirements for ship earth stations.8 3.3.1 Capabilities.8 3.3.2 Ship station identity.8 3.3.3 Distress alerting.8 3.3.4 Position updating.9 3.4 Operat
14、ional requirements for EGC receivers.9 3.4.1 Capabilities.9 3.4.2 General.10 3.4.3 Position and area code updating.10 3.4.4 Indication of receipt of priority message.10 3.4.5 Indication of tuning and synchronisation.10 3.4.6 Printing selection.11 3.4.7 Printing device.11 3.5 Performance related requ
15、irements from IEC 60945.11 3.6 Other requirements.11 3.7 Long-range identification and tracking.12 3.7.1 General.12 3.7.2 Capabilities.12 3.7.3 Functionality.13 3.7.4 Communication system.14 4 Technical characteristics.14 4.1 Overview.14 4.2 Environmental and electromagnetic compatibility requiremen
16、t.14 4.3 Radiated spurious emissions.15 5 Methods of testing and required test results.15 5.1 Overview.15 5.1.1 General.15 5.1.2 Performance requirements.15 5.1.3 Technical characteristics.16 5.2 Tests of non-operational requirements.16 5.3 Tests of operational requirements for ship earth stations.16 5.3.1 Capabilities.16 5.3.2 Ship station identity.16 5.3.3 Distress alerting.16 5.3.4 Position updating.16 5.4 Tests of operational requirements for EGC receivers.17 Copyrighted material licensed
