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En 301 925 V1.5.0 (2016-12) Draft ETSI EN 301 925 V1.5.0 (2016-12) EUROPEAN STANDARD Radiotelephone transmitters and receivers for the maritime mobile service operating in VHF bands; Technical characteristics and methods of measurement 2 Draft ETSI EN 301 925 V1.5.0 (2016-12) Reference REN/ERM-TG26-531 Keywords EMC, GMDSS, maritime, radio, telephony, VHF ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N° 348 623 562 00017 - NAF 742 C Association à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N° 7803/88 Important notice The present document can be downloaded from: http://www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https://portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. © European Telecommunications Standards Institute 2016. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTM and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI 3 Draft ETSI EN 301 925 V1.5.0 (2016-12) Contents Intellectual Property Rights ................................................................................................................................ 8 Foreword ............................................................................................................................................................. 8 Modal verbs terminology .................................................................................................................................... 8 1 Scope ........................................................................................................................................................ 9 2 References ................................................................................................................................................ 9 2.1 Normative references ......................................................................................................................................... 9 2.2 Informative references ...................................................................................................................................... 10 3 Definitions, symbols and abbreviations ................................................................................................. 11 3.1 Definitions ........................................................................................................................................................ 11 3.2 Symbols ............................................................................................................................................................ 12 3.3 Abbreviations ................................................................................................................................................... 12 4 General requirements ............................................................................................................................. 13 4.1 Construction ..................................................................................................................................................... 13 4.2 DSC operation .................................................................................................................................................. 14 4.3 Controls and indicators ..................................................................................................................................... 14 4.4 Handset and loudspeaker .................................................................................................................................. 15 4.5 Safety precautions ............................................................................................................................................ 15 4.6 Labelling........................................................................................................................................................... 15 4.7 Warm up ........................................................................................................................................................... 15 4.8 Audio Processing .............................................................................................................................................. 16 5 Technical requirements .......................................................................................................................... 16 5.1 Switching time .................................................................................................................................................. 16 5.2 Class of emission and modulation characteristics ............................................................................................ 16 5.3 Multiple watch facilities ................................................................................................................................... 16 5.3.1 Additional performance standards .............................................................................................................. 16 5.3.2 Scanning characteristics .............................................................................................................................. 17 5.4 Interfaces .......................................................................................................................................................... 17 5.4.0 General ........................................................................................................................................................ 17 5.4.1 Audio frequency ......................................................................................................................................... 17 5.4.2 Digital interfaces ......................................................................................................................................... 18 5.5 Voyage data recorder interface ......................................................................................................................... 18 6 Test conditions, power sources and ambient temperatures .................................................................... 18 6.1 Test conditions ................................................................................................................................................. 18 6.2 Test power source ............................................................................................................................................. 18 6.3 Normal test conditions ...................................................................................................................................... 18 6.3.1 Normal temperature and humidity .............................................................................................................. 18 6.3.2 Normal power source voltage ..................................................................................................................... 19 6.3.2.1 Mains powered equipment .................................................................................................................... 19 6.3.2.2 Battery powered equipment .................................................................................................................. 19 6.3.2.3 Other power sources .............................................................................................................................. 19 6.4 Extreme test conditions .................................................................................................................................... 19 6.4.1 Extreme temperatures ................................................................................................................................. 19 6.4.2 Extreme values of power source voltage .................................................................................................... 19 6.4.2.1 Mains powered equipment .................................................................................................................... 19 6.4.2.2 Battery powered equipment .................................................................................................................
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