1、 IEC 61097-3 Edition 2.0 2017-10 INTERNATIONAL STANDARD Global maritime distress and safety system(GMDSS)Part 3:Digital selective calling(DSC)equipment Operational and performance requirements,methods of testing and required testing results IEC 61097-3:2017-10(en)THIS PUBLICATION IS COPYRIGHT PROTEC
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10、ntre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:csciec.ch.IEC 61097-3 Edition 2.0 2017-10 INTERNATIONAL STANDARD Global maritime distress and safety system(GMDSS)Part 3:Digital selective calling(D
11、SC)equipment Operational and performance requirements,methods of testing and required testing results INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.060.20;47.020.70 ISBN 978-2-8322-4901-7 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained thi
12、s publication from an authorized distributor.2 IEC 61097-3:2017 IEC 2017 CONTENTS FOREWORD.10 1 Scope.12 2 Normative references.12 3 Terms,definitions and abbreviated terms.14 3.1 Terms and definitions.14 3.2 Abbreviated terms.17 4 Performance requirements.18 4.1 Object.18 4.2 Test requirements.18 4
13、.2.1 General.18 4.2.2 Test site.18 4.2.3 Environment tests.18 4.2.4 Environmental test procedure.19 4.2.5 Performance checks.19 4.2.6 Normal test conditions.21 4.2.7 Extreme test conditions.21 4.2.8 Unspecified test conditions.22 4.2.9 General conditions of measurement.22 4.2.10 Artificial antennas.
14、22 4.2.11 Standard test signals.23 4.2.12 Measurement uncertainty.24 4.2.13 Reference bandwidths for spurious measurements.25 4.2.14 Interpretation of measurement results.25 4.2.15 Testing method terminology.26 4.3 Functional requirements.26 4.3.1 Display of information.26 4.3.2 User interface.26 4.
15、3.3 Categories of calls.26 4.3.4 General purpose equipment characteristics.27 4.3.5 Construction.27 4.3.6 Memory.29 4.3.7 Warm-up period.30 4.3.8 Protection of the antenna input circuit.30 4.3.9 Protection of the transmitter.30 4.3.10 Antenna static protection.31 4.3.11 Safety precautions.31 4.3.12
16、Compass safe distance.31 4.3.13 Audio interface.31 4.3.14 Activation of transmitter and maximum transmission time.32 4.3.15 Data interface.32 4.4 Operational requirements.36 4.4.1 Basic requirements.36 4.4.2 Additional requirements.39 4.4.3 Distress alerts.41 4.4.4 Other calls.42 4.4.5 Self-identification.44 4.5 Scanning efficiency.45 IEC 61097-3:2017 IEC 2017 3 4.5.1 Requirements.45 4.5.2 Method of test and required results.45 4.6 Watch and scanning facilities.45 4.6.1 Requirements.45 4.6.2 Met
