SIST EN 301 033:2000

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.9+)ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Technical characteristics and methods of measurement for shipborne watchkeeping receivers for reception of Digital Selective Calling (DSC) in the maritime MF, MF/HF and VHF bands47.020.70Navigacijska in krmilna opremaNavigation and control equipment33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.99Druga oprema za radijske komunikacijeOther equipment for radiocommunicationsICS:Ta slovenski standard je istoveten z:EN 301 033 Version 1.1.1SIST EN 301 033:2000en01-december-2000SIST EN 301 033:2000SLOVENSKI
STANDARD
EN 301 033 V1.1.1 (1998-08)European Standard (Telecommunications series)Electromagnetic compatibilityand Radio spectrum Matters (ERM);Technical characteristics and methods of measurementfor shipborne watchkeeping receiversfor reception of Digital Selective Calling (DSC)in the maritime MF, MF/HF and VHF bandsSIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)2ReferenceDEN/ERM-RP01-017 (9kc00ico.PDF)KeywordsDSC, maritime, receiverETSIPostal addressF-06921 Sophia Antipolis Cedex - FRANCEOffice address650 Route des Lucioles - Sophia AntipolisValbonne - FRANCETel.: +33 4 92 94 42 00
Fax: +33 4 93 65 47 16Siret N° 348 623 562 00017 - NAF 742 CAssociation à but non lucratif enregistrée à laSous-Préfecture de Grasse (06) N° 7803/88Internetsecretariat@etsi.frhttp://www.etsi.frhttp://www.etsi.orgCopyright NotificationNo part may be reproduced except as authorized by written permission.The copyright and the foregoing restriction extend to reproduction in all media.© European Telecommunications Standards Institute 1998.All rights reserved.SIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)3ContentsIntellectual Property Rights.7Foreword.71Scope.82References.83Definitions and abbreviations.93.1Definitions.93.2Abbreviations.94General and operational requirements.104.1General.104.2Construction.104.2.1General.104.2.2Design.104.2.3Accessibility.104.2.4Calibration and maintenance.104.2.5Antenna static protection.104.2.6Digital input panels.104.3Controls and indicators.114.3.1General.114.3.2Identification.114.3.3Protection against possible maladjustment.114.3.4Light sources.114.3.5Operation.114.4Software.114.5Memory.114.6Interfaces.114.6.1DSC signal output; analogue interface.124.6.2DSC signal output; digital interface.124.6.3Operational interfaces.124.7Marking and identification.124.8Instructions.124.9Warming-up period.134.10Safety precautions.134.10.1Excessive current and voltage.134.10.2Earthing.134.10.3Protection.134.11Compass safe distance.135Technical requirements.135.1Frequency bands and channels.135.2Mode of reception.145.3Scanning receivers.145.3.1Scanning sequence.145.3.2Scanning frequencies.145.3.2.1DSC distress frequencies.145.3.2.2DSC frequencies for general communication.155.3.3Stop/start of scanning.155.3.4Frequency information.156General test conditions.156.1General.156.2Test power source.156.3Normal test conditions.156.3.1Normal temperature and humidity.15SIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)46.3.2Normal test power source.166.3.2.1ac voltage and frequency.166.3.2.2Secondary battery power sources.166.3.2.3Other power sources.166.4Extreme test conditions.166.4.1Extreme temperature tests.166.4.2Extreme values of test power source.166.4.2.1a.c. voltage and frequency.166.4.2.2Secondary battery power sources.166.4.2.3Other power sources.166.5Connection of test signals to the receiver.166.5.1Sources.176.5.2Levels.176.6Testing frequencies.176.6.1General test frequencies.176.6.2Additional test frequencies for HF equipment.176.7Test signals.176.7.1Standard test signal No. 1.176.7.2Standard test signal No. 2.186.8Measurement of bit error ratio.186.9Measurement uncertainty and interpretation of the measuring results.186.9.1Measurement uncertainty.186.9.2Interpretation of measurement results.187Environmental tests.197.1Procedure.197.2Performance check.197.3Vibration test.197.3.1Definition.197.3.2Method of measurement.197.3.3Requirement.207.4Temperature tests.207.4.1Dry heat.207.4.1.1Definition.207.4.1.2Method of measurement.207.4.1.3Requirement.207.4.2Damp heat.207.4.2.1Definition.207.4.2.2Method of measurement.207.4.2.3Requirement.217.4.3Low temperature.217.4.3.1Definition.217.4.3.2Method of measurement.217.4.3.3Requirement.217.5Corrosion test.217.5.1General.217.5.2Definition.217.5.3Method of measurement.217.5.4Requirements.228MF/HF watchkeeping receiver.228.1Calling sensitivity.228.1.1Definition.228.1.2Method of measurement.228.1.3Limits.228.2Adjacent channel selectivity.228.2.1Definition.228.2.2Method of measurement.228.2.3Limits.238.3Co-channel rejection.238.3.1Definition.23SIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)58.3.2Method of measurements.238.3.3Limits.238.4RF intermodulation response.238.4.1Definition.238.4.2Method of measurement.238.4.3Limits.248.5Spurious response rejection.248.5.1Definition.248.5.2Method of measurement.248.5.3Limits.258.6Dynamic range.258.6.1Definition.258.6.2Method of measurement.258.6.3Limits.258.7Conducted spurious emissions into the antenna.258.7.1Definition.258.7.2Method of measurement.258.7.3Limits.268.8Radiated spurious emissions.268.8.1Definition.268.8.2Method of measurements.268.8.3Limit.278.9Protection of receiver antenna input circuits.278.9.1Definition.278.9.2Method of measurement.278.9.3Limits.278.10Scanning efficiency.278.10.1Definition.278.10.2Method of measurement.278.10.3Limits.288.11Stop/start of scanning (Watchkeeping receiver without DSC decoder).288.11.1Definition.288.11.2Method of measurement.288.11.3Limits.289VHF watchkeeping receiver.289.1Calling sensitivity.289.1.1Definition.289.1.2Method of measurement.289.1.3Limits.289.2Adjacent channel selectivity.299.2.1Definition.299.2.2Method of measurement.299.2.3Limits.299.3Co-channel rejection.299.3.1Definition.299.3.2Method of measurement.299.3.3Limits.299.4Intermodulation response.309.4.1Definition.309.4.2Method of measurement.309.4.3Limits.309.5Spurious response and blocking immunity.309.5.1Definition.309.5.2Method of measurement.309.5.3Limits.309.6Dynamic range.319.6.1Definition.319.6.2Method of measurement.319.6.3Limit.319.7Conducted spurious emissions into the antenna.31SIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)69.7.1Definition.319.7.2Method of measurement.319.7.3Limit.319.8Radiated spurious emissions.319.8.1Definition.319.8.2Method of measurements.329.8.3Limit.32Annex A (normative):Radiated measurements.33A.1Test sites and general arrangements for measurements involving the use of radiated fields.33A.1.1Outdoor test site.33A.1.2Test antenna.33A.1.3Substitution antenna.34A.1.4Optional additional indoor site.34A.2Guidance on the use of radiation test sites.35A.2.1Measuring distance.35A.2.2Test antenna.35A.2.3Substitution antenna.35A.2.4Artificial antenna.36A.2.5Auxiliary cables.36A.2.6Acoustic measuring arrangement.36A.3Further optional alternative indoor test site using an anechoic chamber.36A.3.1Example of the construction of a shielded anechoic chamber.37A.3.2Influence of parasitic reflections in anechoic chambers.37A.3.3Calibration of the shielded anechoic chamber.38Bibliography.40History.41SIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)7Intellectual Property RightsIPRs essential or potentially essential to the present document may have been declared to ETSI. The informationpertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be foundin SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respectof ETSI standards", which is available free of charge from the ETSI Secretariat. Latest updates are available on theETSI Web server (http://www.etsi.fr/ipr or http://www.etsi.org/ipr).Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guaranteecan be given as to the existence of other IPRs not referenced in SR 000 314 (or the updates on the ETSI Web server)which are, or may be, or may become, essential to the present document.ForewordThis European Standard (Telecommunications series) has been produced by ETSI Technical CommitteeElectromagnetic compatibility and Radio spectrum Matters (ERM).National transposition datesDate of adoption of this EN:7 August 1998Date of latest announcement of this EN (doa):30 November 1998Date of latest publication of new National Standardor endorsement of this EN (dop/e):31 May 1999Date of withdrawal of any conflicting National Standard (dow):31 May 1999SIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)81ScopeThe present document states the minimum operational and performance requirements for shipborne receivers intended tobe connected to an external installation, including a decoder for DSC, and used as receivers for watchkeeping DSC onboard ships operating in the mobile MF, MF/HF and VHF band allocated in the ITU Radio Regulations [1] to themaritime mobile service, both in connection with distress and safety communication and in connection with generalcommunication.These requirements include the relevant provisions of the ITU Radio Regulations [1], ITU-R RecommendationsM.493-9 [3], M.541-8 [11], M.489-2 [10] and the IMO Resolutions A.803(19), A.804(19), A.806(19) and A.694(17).The present document specifies also technical characteristics, methods of testing and required test results for dedicatedwatchkeeping receivers for use with radio installations in the GMDSS as required by chapter IV of the SOLAS.It covers both receivers with analogue output or with digital DSC signal output interfaces or with both.DSC watchkeeping receivers may be a separate equipment or be integrated with a DSC or radiotelephone equipment.For integrated equipment the present document specifies the requirements and methods of testing of the DSCwatchkeeping receivers only.DSC watchkeeping receivers can be either fixed-frequency receivers or, in MF/HF bands, scanning receivers.Requirements for the DSC equipment or radiotelephone equipment are given in ETS 300 162 [12], ETS 300 373 [14]and ETS 300 338 [13] respectively.2ReferencesThe following documents contain provisions which, through reference in this text, constitute provisions of the presentdocument.· References are either specific (identified by date of publication, edition number, version number, etc.) ornon-specific.· For a specific reference, subsequent revisions do not apply.· For a non-specific reference, subsequent revisions do apply.· A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the samenumber.[1]ITU Radio Regulations.[2]ITU-T Recommendation E.161 (1993): "Arrangement of digits, letters and symbols on telephonesand other devices that can be used for gaining access to a telephone network".[3]ITU-R Recommendation M.493-9 (1997): "Digital selective-calling system for use in the maritimemobile service".[4]ISO 3791 (1976): "Office machines and data processing equipment -- Keyboard layouts fornumeric applications".[5]IEC 1162-1 (1995): "Maritime navigation and radiocommunication equipment and systems -Digital interfaces - Part 1: Single talker and multiple listeners".[6]ETR 028: "Radio Equipment and Systems (RES); Uncertainties in the measurement of mobileradio equipment characteristics".[7]ITU-T Recommendation V.11 (1993): "Electrical characteristic for unbalanced double-currentinterchange circuits".SIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)9[8]IEC 417 (1973): "Graphical symbols for use on equipment. Index, survey and compilation of thesingle sheets".[9]ITU-R Recommendation SM.332-4 (1994): "Selectivity of receivers".[10]ITU-R Recommendation M.489-2: "Technical characteristics of VHF radiotelephone equipmentoperating in the maritime mobile service in channels spaced by 25 kHz".[11]ITU-R Recommendation M.541-8 (1997): "Operational procedures for the use of digital selective-calling (DSC) equipment in the maritime mobile service".[12]ETS 300 162 Ed 2 (1998): "Electromagnetic compatibility and Radio spectrum Matters (ERM);Radiotelephone transmitters and receivers for the maritime mobile service operating in the VHFbands - Technical characteristics and methods of measurement".[13]ETS 300 338 (1995): "Radio Equipment and Systems (RES); Technical characteristics andmethods of measurement for equipment for generation, transmission and reception of DigitalSelective Calling (DSC) in the maritime MF, MF/HF and/or VHF mobile service".[14]ETS 300 373 (1995) + A1 (1997): "Radio Equipment and Systems (RES); Technicalcharacteristics and methods of measurements for maritime mobile transmitters and receivers foruse in the MF and HF bands".3Definitions and abbreviations3.1DefinitionsFor the purposes of the present document, the following definitions apply:assigned frequency: The centre of the frequency band assigned to a station.continuous watch: Continuous watch means that the radio watch concerned is not interrupted other than for briefintervals when the ship's receiving capability is impaired or blocked by its own communications or when the facilitiesare under periodical maintenance or check.F1B: Frequency modulation with digital information, without a sub-carrier for automatic reception.G2B: Phase-modulation with digital information, with a sub-carrier for automatic reception.J2B: Single sideband with digital information, with the use of a modulating sub-carrier for automatic reception, with thecarrier suppressed to at least 40 dB below peak envelope power.performance check: A check of calling sensitivity (see subclause 7.2).3.2AbbreviationsFor the purposes of the present document, the following abbreviations apply:a.c.alternating currentd.c.direct currentDSCDigital Selective CallingEUTEquipment Under Teste.m.f.electromotive forceFSKFrequency Shift KeyingGMDSSGlobal Maritime Distress and Safety SystemHFHigh FrequencyIFIntermediate FrequencyIMOInternational Maritime OrganizationMFMedium FrequencyMF/HFMedium and High FrequencySIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)10RFRadio Frequencyr.m.s.root mean squareSOLAS(International Convention for the) Safety of Life at SeaVHFVery High Frequency4General and operational requirements4.1GeneralThe manufacturer shall declare that compliance to the requirement of clause 4 is achieved and shall provide relevantdocumentation.4.2Construction4.2.1GeneralThe equipment shall be so constructed that it is capable of keeping continuous watch on relevant DSC channels(see subclause 5.1) and of being operated readily.4.2.2DesignIn all respects the mechanical and electrical design and construction and the finish of the equipment shall conform withgood engineering practice, and the equipment shall be suitable for use on board ships at sea.The equipment shall be designed for continuous operation.4.2.3AccessibilityAll parts of the equipment that are subject to inspection and maintenance adjustments, shall be easily accessible.Components shall be easily identifiable either by markings within the equipment, or with the aid of technicaldescriptions.4.2.4Calibration and maintenanceThe equipment shall be so constructed that its main modules can easily be replaced and put into operation withoutelaborate recalibration or readjustment.4.2.5Antenna static protectionIn order to protect against damage due to static voltages that may appear at the input of the receiver, there shall be a d.c.path from the antenna terminal to ground not exceeding 100 kW.4.2.6Digital input panelsWhere a digital input panel with the digits "0" to "9" is provided, the digits should be arranged to conform withITU-T Recommendation E.161 [2]. However, where an alphanumeric keyboard layout, as used on office machinery anddata processing equipment, is provided, the digits "0" to "9" may, alternatively, be arranged to conform withISO 3791 [4].SIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)114.3Controls and indicators4.3.1GeneralThe number of operational controls, their design and manner of functioning, location, arrangement and size shouldprovide for simple, quick and efficient operation. All operational controls shall permit normal adjustments to be easilyperformed and shall be arranged in a manner which minimizes the risk of inadvertent activation.4.3.2IdentificationAll operational controls and indicators shall be easy to identify and read from the position at which the equipment isnormally operated.The controls and indicators shall be identified in English. Symbols as specified in IEC 417 [8] may be used in addition.4.3.3Protection against possible maladjustmentControls not required for normal operation shall not be readily accessible.Operational controls, the inadvertent exercise of which could switch off the equipment, lead to its performancedegradation or to false indications not obvious to the operator, shall be protected especially against unintentionaloperation.4.3.4Light sourcesEquipment with controls and indicators shall be provided with adequate adjustable illumination to enable identificationof controls and facilitate reading of indicators at all times. Means shall be provided for dimming the output of anyequipment light source.4.3.5OperationThe equipment shall be so designed that misuse of the controls cannot cause injury to personnel.4.4SoftwareFacilities shall be provided to protect all operational software incorporated in the equipment.Any software required in an equipment to facilitate operation, including that for its initial activation/reactivation, shallbe permanently installed within the equipment, in such a way that it is not possible for the user to have access to thissoftware.Means shall be provided to monitor the operation of the equipment at appropriate regular intervals and to activate analarm or signal in the event of a failure which is not recoverable automatically.4.5MemoryPre-programmed DSC distress calling frequencies and information inherent to the operation of the equipment shall bestored in non-volatile devices.If the equipment contains information in operator programmable memory devices, such devices shall be protected frominterruptions in the power supply up to at least 10 hours duration.4.6InterfacesThe equipment submitted for test, when integrated with a DSC or radiotelephone equipment, shall be provided with anaccessible test point at the watchkeeping receiver analog or digital signal output.SIST EN 301 033:2000

ETSIEN 301 033 V1.1.1 (1998-08)124.6.1DSC signal output; analogue interfaceFor equipment designed for analogue DSC signal output to an external DSC decoder, the audio frequency signal outputshall have an impedance of 600 W, balanced and free of earth and the closed circuit level shall be adjustable to anyr.m.s. voltage between 0,245 V and 2,450 V (0 dBm ± 10 dB).The audio frequency subcarrier shall be 1 700 Hz and the sideband shall be preserved.The higher frequency corresponds to the B-state and the lower frequency corresponds to the Y-state of the signalelements.4.6.2DSC signal output; digital interfaceFor equipment designed for binary signal output to an external DSC decoder, the logic level of the digital signal outputshall be compatible with ITU
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