IEC_61097-3-2017.pdf

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 PROTECTED Copyright 2017 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.IEC Catalogue-webstore.iec.ch/catalogue The stand-alone application for consulting the entire bibliographical information on IEC International Standards,Technical Specifications,Technical Reports and other documents.Available for PC,Mac OS,Android Tablets and iPad.IEC publications search-www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available online and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing 20 000 terms and definitions in English and French,with equivalent terms in 16 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC Glossary-std.iec.ch/glossary 65 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Customer Service Centre-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(DSC)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 this 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 4.2.1 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.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 4.3.3 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 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