SIST ETS 300 065:1999
(Main)Radio Equipment and Systems (RES); Narrow-band direct-printing telegraph equipment for receiving meteorological or navigational information (NAVTEX) Technical characteristics and methods of measurement
Radio Equipment and Systems (RES); Narrow-band direct-printing telegraph equipment for receiving meteorological or navigational information (NAVTEX) Technical characteristics and methods of measurement
To draft a European Telecommunications Standard (ETS) for equipment to be used in the maritime mobile service
Radijska oprema in sistemi (RES) - Ozkopasovna telegrafska oprema z neposrednim tiskanjem za sprejem meteoroloških ali navigacijskih informacij (NAVTEX) - Tehnične karakteristike in merilne metode
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.LQIRUPDFLMRadio Equipment and Systems (RES); Narrow-band direct-printing telegraph equipment for receiving meteorological or navigational information (NAVTEX) Technical characteristics and methods of measurement47.020.70Navigacijska in krmilna opremaNavigation and control equipment33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.20Sprejemna in oddajna opremaReceiving and transmitting equipmentICS:Ta slovenski standard je istoveten z:ETS 300 065 Edition 1SIST ETS 300 065:1999en01-september-1999SIST ETS 300 065:1999SLOVENSKI
STANDARD
SIST ETS 300 065:1999
EUROPEANETS 300 065TELECOMMUNICATIONSeptember 1992STANDARDSource: ETSI TC-RESReference: DE/RES-1006ICS:33.060, 33.060.20Key words:maritime, NAVTEXRadio Equipment and Systems (RES);Narrow-band direct-printing telegraph equipment for receivingmeteorological or navigational information (NAVTEX)Technical characteristics and methods of measurementETSIEuropean Telecommunications Standards InstituteETSI SecretariatPostal address: F-06921 Sophia Antipolis CEDEX - FRANCEOffice address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCEX.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.frTel.: +33 92 94 42 00 - Fax: +33 93 65 47 16Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and theforegoing restriction extend to reproduction in all media.© European Telecommunications Standards Institute 1992. All rights reserved.SIST ETS 300 065:1999
Page 2ETS 300 065: September 1992Whilst every care has been taken in the preparation and publication of this document, errors in content,typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to"ETSI Editing and Committee Support Dept." at the address shown on the title page.SIST ETS 300 065:1999
Page 3ETS 300 065: September 1992ContentsForeword.51Scope.72Normative references.73General requirements.73.1Construction.73.2Safety precautions.94Test conditions, power supply and ambient temperatures.94.1General.94.1.1Artificial antennas.94.1.2Normal test signal.104.1.3Test signals applied to the receiver input.104.2Test power source.104.3Normal test conditions.104.3.1Normal temperature and humidity.104.3.2Normal test power supply.104.3.2.1Mains voltage and frequency.104.3.2.2Power source from a battery.114.3.2.3Other power sources.114.4Extreme test conditions.114.4.1Extreme temperatures.114.4.2Extreme test power supply values.114.4.2.1Extreme mains voltage and frequency.114.4.2.2Power source from a battery.114.4.2.3Other power sources.114.5Procedures for tests at extreme temperatures.114.6Environmental tests.115Receiver and signal processor.125.1Call sensitivity.125.1.1Definition.125.1.2Method of measurement.125.1.3Limit.125.2Interference rejection and blocking immunity.125.2.1Definition.125.2.2Method of measurement.125.2.3Limit.135.3Co-channel rejection.135.3.1Definition.135.3.2Method of measurement.135.3.3Limit.135.4Intermodulation.135.4.1Definition.135.4.2Method of measurement.135.4.3Limit.145.5Spurious emissions.145.5.1Definition.145.5.2Method of measurement.145.5.3Limit.145.6Protection of input circuits.146Printing device.146.1General.146.2Printing.15SIST ETS 300 065:1999
Page 4ETS 300 065: September 19927Interference.157.1General.157.2Conducted spurious emission into the mains.157.2.1Conditions of measurement.157.2.2Method of measurement.157.2.3Specified limits.15History.17SIST ETS 300 065:1999
Page 5ETS 300 065: September 1992ForewordThis European Telecommunication Standard (ETS) has been produced by the Radio Equipment andSystems (RES) Technical Committee of the European Telecommunications Standards Institute (ETSI),and was adopted, having passed through the ETSI standards approval procedure (Public Enquiry 13:1990-07-16 to 1990-12-10, Vote 20: 1992-04-20 to 1992-06-12).The ETS sets out the minimum requirements for a Narrow-Band Direct-Printing (NBDP) maritime receiveroperating in the NAVTEX system, consisting of a radio-frequency receiver incorporating a signalprocessor and a printing device.The operational arrangements applying to the NAVTEX system are laid down in CCIR Recommendation540-2 [2]. The message format is given in CCIR Recommendation 625-1 [1], collective B-mode.
TheNAVTEX system operates on a frequency of 518 kHz.Environmental tests are in accordance with the standard laid down in Annex VI to CEPT RecommendationT/R 34-01 [3]. Tests on conducted spurious emissions are in accordance with the arrangements describedin CISPR Publication 16 sections 1 and 2 [4].Every ETS prepared by ETSI is a voluntary standard. This ETS contains text concerning type approval ofthe equipment to which it relates. This text should be considered only as guidance and does not make thisETS mandatory.SIST ETS 300 065:1999
Page 6ETS 300 065: September 1992Blank pageSIST ETS 300 065:1999
Page 7ETS 300 065: September 19921ScopeThis European Telecommunication Standard (ETS) states the minimum requirements for a Narrow-BandDirect-Printing (NBDP) maritime receiver operating in the NAVTEX system.The equipment's function is to receive and print automatically and continuously, meteorological andnavigational messages and Search And Rescue (SAR) messages transmitted by coast stationsparticipating in the NAVTEX system.The equipment shall consist of a radio-frequency receiver incorporating a signal processor and a printingdevice.The message format shall conform to CCIR Recommendation 625-1 [1], collective B-mode. The systemshall conform to CCIR Recommendation 540-2 [2].2Normative referencesThis ETS incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate place in the text and the publications are listed hereafter.For dated references, subsequent amendments to, or revisions of, any of these publications apply to thisETS only when incorporated in it by amendment or revision. For undated references the latest edition ofthe publication referred to applies.[1]CCIR Recommendation 625-1: "Direct-printing telegraph equipmentemploying automatic identification in the maritime mobile service".[2]CCIR Recommendation 540-2: "Operational and technical characteristicsfor an automated direct printing telegraph system for promulgation ofnavigational and meteorological warnings and urgent information forships".
[3]CEPT Recommendation T/R 34-01: "Specifications for maritime mobileradio equipment".[4]C.I.S.P.R.16: "Specification for radio interference measuring apparatusand measurement methods". Second Edition 1986.[5]Solas Convention: "The International Convention for the Safety of Life atSea, 1974".3General requirements3.1Construction3.1.1The mechanical and electrical design and the construction and finish of the equipment shallaccord with good engineering practice and the equipment shall be designed for use on boardships at sea.3.1.2All controls, instruments and terminals shall be clearly identified. Details concerning thepower source with which the equipment is to be used shall be clearly indicated. A labelindicating the type designation under which the equipment is being submitted for the typeapproval tests shall be affixed to the equipment in a place where it is clearly visible in thenormal operating position.3.1.3It shall be possible to reduce to zero the intensity of any equipment light source other thanvisual alarms.3.1.4The radio-frequency receiver shall operate on a frequency of 518 kHz.SIST ETS 300 065:1999
Page 8ETS 300 065: September 19923.1.4.1Where a second or third frequency is provided for the reception of maritime safetyinformation, it shall only be possible to select these frequencies manually.3.1.5The equipment shall comprise a device for performing tests to verify whether the radio-frequency receiver, signal processor or printing device are working correctly.3.1.5.1The test shall at least provide verification of the signal's path from the antenna to theloudspeaker or to an audio-frequency output delivering sufficient power to operate aloudspeaker or earphones.3.1.5.2A self-return switch shall be used if a loudspeaker is used.3.1.5.3The signal processing unit and the printing device shall contain an integrated system forverifying their operation.3.1.6To limit the number of messages printed, it shall be possible to select the coast stationswhich it is wanted to print, by detecting the B1 characters identifying them. Messages ofcoast stations not selected shall not be printed.3.1.7The equipment shall display information indicating that the B1 characters have been selectedor excluded, or this information shall be easily accessible, e.g. in printed form using theprinting device.3.1.8It shall be possible to inhibit the printing of message categories (defined by the B2characters), transmitted by the coast stations selected, other than navigational warnings, galewarnings and SAR messages. It shall be possible to exclude at least four different messagecategories.3.1.9The equipment shall provide a clear indication of the message categories that are excluded.3.1.10Means shall be provided to avoid the printing of messages which are not correctly received orwhich have already been correctly received.3.1.10.1A message is considered to have been correctly received if the character error rate is lessthan 4 x 10-2. The message identification of each such message shall be stored in memoryuntil erased.3.1.10.2When the received character error rate exceeds 33 x 10-2 for more than 5 seconds, theprinting of the message shall be inhibited, the message shall be considered as not correctlyreceived, and the message identification shall not be stored in memory.3.1.10.3The equipment shall not print any message (except as defined in the following paragraph),the identification of which is already stored in memory.3.1.11A message shall always be printed if B3B4 = 00.3.1.12The equipment shall be capable of storing at least 100 message identifications in its memory.3.1.12.1If the number of message identifications received exceeds the memory capacity, the oldestmessage identification shall be erased.3.1.12.2However, after a period of 60 to 72 hours, a message identification shall automatically beerased from the memory.3.1.13An alarm indicating the reception of SAR messages shall be provided, whether incorporatedin the equipment or remote from it. This alarm shall only be able to be stopped manually butwithout inhibiting receipt of further other alarms.3.1.13.1If an additional alarm is used to indicate the recep
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