General Information

Abstract

The present document states the minimum technical characteristics and methods of measurement required for portable
Very High Frequency (VHF) radiotelephones with integrated handheld class H DSC operating in certain frequency
bands allocated to the maritime mobile service using either 25 kHz channels or 25 kHz and 12,5 kHz channels. The
present document does not cover requirements for the integrated GNSS receiver providing locating function.
The present document also specifies technical characteristics, methods of measurement and required test results.
The present document covers the essential requirements of articles 3.2 and 3.3(g) of Directive 2014/53/EU [i.5] under
the conditions identified in annex A.

Status
Published
Publication Date
27-Mar-2017
Technical Committee
MOC - Mobile Communications
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
13-Mar-2017
Due Date
18-May-2017
Completion Date
28-Mar-2017

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ETSI EN 302 885 V2.2.2 (2017-03) - Portable Very High Frequency (VHF) radiotelephone equipment for the maritime mobile service operating in the VHF bands with integrated handheld class H DSC; Harmonised Standard covering the essential requirements of articles 3.2 and 3.3(g) of Directive 2014/53/EU

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Overview

SIST EN 302 885 V2.2.2:2017 specifies the essential technical requirements and test methods for portable Very High Frequency (VHF) radiotelephone equipment used in the maritime mobile service, specifically those operating in VHF bands and incorporating a handheld class H Digital Selective Calling (DSC) facility. This harmonised standard addresses compliance with Articles 3.2 and 3.3(g) of Directive 2014/53/EU, ensuring radio equipment is constructed to function safely and effectively within designated maritime frequency bands.

This standard applies to portable VHF radio equipment designed for maritime communication, supporting both 25 kHz and, where applicable, 12.5 kHz channel spacing. It outlines the construction, general, and operational requirements of such equipment, but does not cover the requirements for integrated satellite-based position locating (GNSS) receivers.

Key Topics

  • Technical Requirements: Defines minimum performance, emission, and immunity characteristics for VHF marine handheld radios with DSC, including transmitter and receiver measurements.
  • Methods of Measurement: Establishes how compliance should be verified through standardized testing procedures.
  • Channel Spacing: Covers both 25 kHz channels and, where applicable, 12.5 kHz channels within maritime VHF frequency allocations.
  • DSC Functionality: Specifies requirements for Digital Selective Calling on class H equipment, facilitating both routine and emergency communications within the maritime sector.
  • Environmental Testing: Includes procedures for evaluating equipment durability under various environmental conditions, such as temperature, humidity, and physical drop tests.
  • Safety and Labelling: Outlines safety precautions and mandatory markings for user awareness and legal compliance.

Applications

The standard is critically important for a range of maritime applications, particularly where portable and reliable VHF communication is vital.

  • Commercial and Recreational Vessels: Ensures that handheld VHF DSC radios used by mariners meet stringent operational criteria for clear and effective communication in all weather and operational conditions.
  • Search and Rescue Operations: Supports safety at sea by mandating distress call functionality and robust performance in emergencies.
  • Ship-to-Ship and Ship-to-Shore Communication: Provides a framework for standardizing equipment to support dependable communication between vessels and coastal facilities.
  • Regulatory Compliance: Helps manufacturers and distributers demonstrate conformity with European legislation, particularly Directive 2014/53/EU (Radio Equipment Directive), simplifying CE marking and market access.

Related Standards

When selecting or implementing portable VHF maritime radiotelephone equipment, consideration of related standards improves interoperability and compliance:

  • ETSI EN 301 406: General requirements for radio communications equipment in the maritime mobile service.
  • IEC 60945: Maritime navigation and radiocommunication equipment - General requirements for technical characteristics and testing.
  • ITU-R M.493: Technical characteristics of Digital Selective Calling system for use in the maritime mobile service.
  • Directive 2014/53/EU: The EU's Radio Equipment Directive, forming the legal foundation for essential requirements covered by this standard.

By adhering to SIST EN 302 885 V2.2.2:2017, manufacturers, ship operators, and regulatory bodies ensure portable VHF maritime radios offer reliable, standardized, and compliant performance-crucial for safety and efficiency in maritime communications. For up-to-date access and compliance guidance, refer to the official sources and harmonised standards databases.

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Standard

ETSI EN 302 885 V2.2.2 (2017-03) - Portable Very High Frequency (VHF) radiotelephone equipment for the maritime mobile service operating in the VHF bands with integrated handheld class H DSC; Harmonised Standard covering the essential requirements of articles 3.2 and 3.3(g) of Directive 2014/53/EU

English language (55 pages)
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SIST EN 302 885 V2.2.2:2017

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Frequently Asked Questions

SIST EN 302 885 V2.2.2:2017 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Portable Very High Frequency (VHF) radiotelephone equipment for the maritime mobile service operating in the VHF bands with integrated handheld class H DSC - Harmonised Standard covering the essential requirements of articles 3.2 and 3.3(g) of Directive 2014/53/EU". This standard covers: The present document states the minimum technical characteristics and methods of measurement required for portable Very High Frequency (VHF) radiotelephones with integrated handheld class H DSC operating in certain frequency bands allocated to the maritime mobile service using either 25 kHz channels or 25 kHz and 12,5 kHz channels. The present document does not cover requirements for the integrated GNSS receiver providing locating function. The present document also specifies technical characteristics, methods of measurement and required test results. The present document covers the essential requirements of articles 3.2 and 3.3(g) of Directive 2014/53/EU [i.5] under the conditions identified in annex A.

The present document states the minimum technical characteristics and methods of measurement required for portable Very High Frequency (VHF) radiotelephones with integrated handheld class H DSC operating in certain frequency bands allocated to the maritime mobile service using either 25 kHz channels or 25 kHz and 12,5 kHz channels. The present document does not cover requirements for the integrated GNSS receiver providing locating function. The present document also specifies technical characteristics, methods of measurement and required test results. The present document covers the essential requirements of articles 3.2 and 3.3(g) of Directive 2014/53/EU [i.5] under the conditions identified in annex A.

SIST EN 302 885 V2.2.2:2017 is classified under the following ICS (International Classification for Standards) categories: 33.060.20 - Receiving and transmitting equipment; 47.020.70 - Navigation and control equipment. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN 302 885 V2.2.2:2017 is associated with the following European legislation: EU Directives/Regulations: 1999/5/EC, 2014/53/EU. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

SIST EN 302 885 V2.2.2:2017 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


HARMONISED EUROPEAN STANDARD
Portable Very High Frequency (VHF)
radiotelephone equipment for the
maritime mobile service operating in the VHF bands
with integrated handheld class H DSC;
Harmonised Standard covering the essential requirements
of articles 3.2 and 3.3(g) of Directive 2014/53/EU

2 ETSI EN 302 885 V2.2.2 (2017-03)

Reference
REN/ERM-TG26-518C1
Keywords
harmonised standard, maritime, radio, 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 2017.
All rights reserved.
TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
TM
3GPP 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 ETSI EN 302 885 V2.2.2 (2017-03)
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 . 10
3.1 Definitions . 10
3.2 Symbols . 11
3.3 Abbreviations . 11
4 General and operational requirements . 11
4.0 Conformance . 11
4.1 Construction . 11
4.2 Controls and indicators . 12
4.3 Microphone and loudspeaker . 13
4.4 Safety precautions . 13
4.5 Labelling. 13
5 Technical requirements . 13
5.0 Conformance . 13
5.1 Switching time . 13
5.2 Class of emission and modulation characteristics . 14
5.3 Battery capacity . 14
5.4 DSC functionality . 14
6 General conditions of measurement . 14
6.1 Arrangements for RF connections to the equipment . 14
6.1.1 RF connections to integral antenna equipment . 14
6.1.2 RF connection to equipment with a detachable antenna . 14
6.2 Arrangements for test signals applied to the receiver input . 14
6.3 Squelch . 15
6.4 Normal test modulation . 15
6.5 Artificial antenna . 15
6.6 Arrangements for test signals applied to the transmitter input . 15
6.7 Test channels . 15
6.8 Test conditions, power sources and ambient te mperat ures . 15
6.8.1 Normal and extreme test conditions. 15
6.8.2 Test power source . 15
6.9 Normal test conditions . 16
6.9.1 Normal temperature and humidity . 16
6.9.2 Normal power sources . 16
6.9.2.1 Battery power source. 16
6.9.2.2 Other power sources . 16
6.10 Extreme test conditions . 16
6.10.0 General . 16
6.10.1 Extreme temperatures . 16
6.10.2 Extreme values of test power sources . 16
6.10.2.1 Battery power source. 16
6.10.2.2 Other power sources . 16
6.11 Procedure for tests at extreme temperatures . 17
6.12 Reference Bandwidths for emission measurements . 17
7 Environmental tests . 17
7.1 Procedure . 17
ETSI
4 ETSI EN 302 885 V2.2.2 (2017-03)
7.2 Performance check . 17
7.3 Drop test . 17
7.3.1 Definition . 17
7.3.2 Method of measurement . 18
7.3.3 Requirement . 18
7.4 Temperature tests . 18
7.4.1 Definition . 18
7.4.2 Dry heat . 18
7.4.2.1 Definition . 18
7.4.2.2 Method of measurement . 18
7.4.2.3 Requirement . 18
7.4.3 Damp heat . 19
7.4.3.1 Definition . 19
7.4.3.2 Method of measurement . 19
7.4.3.3 Requirement . 19
7.4.4 Low temperature cycle . 19
7.4.4.1 Definition . 19
7.4.4.2 Method of measurement . 19
7.4.4.3 Requirement . 19
8 Transmitter . 20
8.0 General . 20
8.1 Frequency error . 20
8.1.1 Definition . 20
8.1.2 Method of measurement . 20
8.1.3 Limits . 20
8.2 Carrier power . 20
8.2.1 Definitions . 20
8.2.2 Method of measurement . 20
8.2.3 Limits, Normal and extreme test conditions . 20
8.3 Frequency deviation . 21
8.3.1 Definition . 21
8.3.2 Maximum permissible frequency deviation . 21
8.3.2.1 Method of measurement . 21
8.3.2.2 Limits . 21
8.3.3 Reduction of frequency deviation at modulation frequencies above 3 kHz . 21
8.3.3.1 Method of measurement . 21
8.3.3.2 Limits . 21
8.4 Sensitivity of the modulator, including microphone . 22
8.4.1 Definition . 22
8.4.2 Method of measurement . 22
8.4.3 Limits . 22
8.5 Audio frequency response . 22
8.5.1 Definition . 22
8.5.2 Method of measurement . 23
8.5.3 Limit . 23
8.6 Audio frequency harmonic distortion of the emission. 24
8.6.1 Definition . 24
8.6.2 Method of measurement . 24
8.6.2.0 General . 24
8.6.2.1 Normal test conditions . 24
8.6.2.2 Extreme test conditions . 24
8.6.3 Limits . 24
8.7 Adjacent channel power . 24
8.7.1 Definition . 24
8.7.2 Method of measurement . 24
8.7.3 Limits . 25
8.8 Conducted spurious emissions conveyed to the antenna . 25
8.8.1 Definition . 25
8.8.2 Method of measurement . 25
8.8.3 Limit . 25
8.9 Cabinet radiation and conducted spurious emissions other than those conveyed to the antenna . 25
ETSI
5 ETSI EN 302 885 V2.2.2 (2017-03)
8.9.1 Definitions . 25
8.9.2 Method of measurement . 26
8.9.3 Limits . 27
8.10 Residual modulation of the transmitter . 27
8.10.1 Definition . 27
8.10.2 Method of measurement . 27
8.10.3 Limit . 27
8.11 Transient frequency behaviour of the transmitter . 27
8.11.1 Definitions . 27
8.11.2 Method of measurement . 28
8.11.3 Limits . 31
8.12 Frequency error (demodulated DSC signal) . 31
8.12.1 Definition . 31
8.12.2 Method of measurement . 31
8.12.3 Limits . 31
8.13 Modulation index for DSC . 31
8.13.1 Definition . 31
8.13.2 Method of measurement . 31
8.13.3 Limits . 31
8.14 Modulation rate for DSC . 31
8.14.1 Definition . 31
8.14.2 Method of measurement . 32
8.14.3 Limits . 32
8.15 Testing of free channel transmission on DSC channel 70 . 32
8.15.1 Definition . 32
8.15.2 Method of measurement . 32
8.15.3 Requirement . 32
9 Receiver . 33
9.1 Harmonic distortion and rated audio frequency output power . 33
9.1.1 Definition . 33
9.1.2 Methods of measurement . 33
9.1.3 Limits . 33
9.2 Audio frequency response . 33
9.2.1 Definition . 33
9.2.2 Method of measurement . 33
9.2.3 Limits . 34
9.3 Maximum usable sensitivity . 34
9.3.1 Definition . 34
9.3.2 Method of measurement . 35
9.3.3 Limits . 35
9.4 Co-channel rejection. 35
9.4.1 Definition . 35
9.4.2 Method of measurement . 35
9.4.3 Limit . 35
9.5 Adjacent channel selectivity . 36
9.5.1 Definition . 36
9.5.2 Method of measurement . 36
9.5.3 Limits . 36
9.6 Spurious response rejection . 36
9.6.1 Definition . 36
9.6.2 Method of measurement . 36
9.6.3 Limit . 37
9.7 Intermodulation response . 37
9.7.1 Definition . 37
9.7.2 Method of measurement . 37
9.7.3 Limit . 37
9.8 Blocking or desensitization . 37
9.8.1 Definition . 37
9.8.2 Method of measurement . 38
9.8.3 Limit . 38
9.9 Conducted spurious emissions . 38
ETSI
6 ETSI EN 302 885 V2.2.2 (2017-03)
9.9.1 Definition . 38
9.9.2 Method of measurement . 38
9.9.3 Limit . 38
9.10 Radiated spurious emissions. 38
9.10.1 Definition . 38
9.10.2 Method of measurements . 39
9.10.3 Limit . 39
9.11 Receiver noise and hum level . 40
9.11.1 Definition . 40
9.11.2 Method of measurement . 40
9.11.3 Limit . 40
9.12 Squelch operation . 40
9.12.1 Definition . 40
9.12.2 Method of measurement . 40
9.12.3 Limits . 41
9.13 Squelch hysteresis . 41
9.13.1 Definition . 41
9.13.2 Method of measurement . 41
9.13.3 Limit . 41
10 DSC Signalling . 41
10.1 Test Method. 41
10.2 Display . 41
10.3 GNSS receiver . 41
10.4 Individual DSC calls . 42
10.5 All ships calls . 42
10.6 DSC call functionality . 42
10.7 DSC message composition . 42
10.8 Prioritized wait . 42
10.9 Alarms . 42
10.10 Standby . 42
10.11 GNSS fix - sending distress . 42
10.12 Tasks - sending distress . 42
10.13 Display - sending distress . 42
10.14 Distress button sub procedure . 42
10.15 Void . 43
10.16 Updating position . 43
10.17 Handling received DSC messages - sending distress . 43
10.18 Alarms - sending distress . 43
10.19 Determining subsequent communications - sending distress . 43
10.20 Automated tuning - sending distress . 43
10.21 Cancelling the distress alert . 43
10.22 Acknowledgements - sending distress . 43
10.23 Termination - sending distress . 43
10.24 Warnings - sending distress . 43
10.25 Tasks - receiving distress . 43
10.26 Display - receiving distress . 43
10.27 Handling received DSC messages - receiving distress . 44
10.28 Alarms - receiving distress . 44
10.29 Determining subsequent communications - receiving distress . 44
10.30 Automated tuning - receiving distress . 44
10.31 Acknowledgements - receiving distress . 44
10.32 Termination - receiving distress . 44
10.33 Warnings - receiving distress . 44
10.34 Tasks - sending non distress . 44
10.35 Display - sending non distress . 44
10.36 Handling received DSC messages - sending non distress . 44
10.37 Alarms - sending non distress. 44
10.38 Automated tuning - sending non distress . 45
10.39 Delayed acknowledgements - sending non distress . 45
10.40 Termination - sending non distress . 45
10.41 Warnings - sending non distress . 45
ETSI
7 ETSI EN 302 885 V2.2.2 (2017-03)
10.42 Tasks - receiving non distress. 45
10.43 Display - receiving non distress . 45
10.44 Handling received DSC messages - receiving non distress . 45
10.45 Alarms - receiving non distress . 45
10.46 Automated tuning - receiving non distress . 45
10.47 Acknowledgements - receiving non distress . 45
10.48 Termination - receiving non distress . 45
10.49 Warnings - receiving non distress . 45
10.50 Communication automated procedure . 46
10.51 Tasks - communication . 46
10.52 Display - communication . 46
10.53 Handling received DSC messages - communication . 46
10.54 Tuning of the receiver and transmitter - communication . 46
10.55 Termination - communication . 46
10.56 Tasks of handling incoming calls while engaged . 46
10.57 Termination of automated procedures . 46
10.58 Actions after termination of an automated procedure . 46
10.59 Putting automated procedures on hold . 46
10.60 Controlling non-terminated automated procedures on hold . 46
11 Testing for compliance with technical requirements . 47
11.1 Environmental conditions for testing . 47
11.2 Interpretation of the measurement results . 47
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 48
Annex
...


SLOVENSKI STANDARD
01-junij-2017
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+DUPRQLVHG6WDQGDUGFRYHULQJWKHHVVHQWLDOUHTXLUHPHQWVRIDUWLFOHVDQG J RI
'LUHFWLYH(8
Ta slovenski standard je istoveten z: ETSI EN 302 885 V2.2.2 (2017-03)
ICS:
33.060.20 Sprejemna in oddajna Receiving and transmitting
oprema equipment
47.020.70 Navigacijska in krmilna Navigation and control
oprema equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

HARMONISED EUROPEAN STANDARD
Portable Very High Frequency (VHF)
radiotelephone equipment for the
maritime mobile service operating in the VHF bands
with integrated handheld class H DSC;
Harmonised Standard covering the essential requirements
of articles 3.2 and 3.3(g) of Directive 2014/53/EU

2 ETSI EN 302 885 V2.2.2 (2017-03)

Reference
REN/ERM-TG26-518C1
Keywords
harmonised standard, maritime, radio, 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 2017.
All rights reserved.
TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
TM
3GPP 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 ETSI EN 302 885 V2.2.2 (2017-03)
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 . 10
3.1 Definitions . 10
3.2 Symbols . 11
3.3 Abbreviations . 11
4 General and operational requirements . 11
4.0 Conformance . 11
4.1 Construction . 11
4.2 Controls and indicators . 12
4.3 Microphone and loudspeaker . 13
4.4 Safety precautions . 13
4.5 Labelling. 13
5 Technical requirements . 13
5.0 Conformance . 13
5.1 Switching time . 13
5.2 Class of emission and modulation characteristics . 14
5.3 Battery capacity . 14
5.4 DSC functionality . 14
6 General conditions of measurement . 14
6.1 Arrangements for RF connections to the equipment . 14
6.1.1 RF connections to integral antenna equipment . 14
6.1.2 RF connection to equipment with a detachable antenna . 14
6.2 Arrangements for test signals applied to the receiver input . 14
6.3 Squelch . 15
6.4 Normal test modulation . 15
6.5 Artificial antenna . 15
6.6 Arrangements for test signals applied to the transmitter input . 15
6.7 Test channels . 15
6.8 Test conditions, power sources and ambient te mperat ures . 15
6.8.1 Normal and extreme test conditions. 15
6.8.2 Test power source . 15
6.9 Normal test conditions . 16
6.9.1 Normal temperature and humidity . 16
6.9.2 Normal power sources . 16
6.9.2.1 Battery power source. 16
6.9.2.2 Other power sources . 16
6.10 Extreme test conditions . 16
6.10.0 General . 16
6.10.1 Extreme temperatures . 16
6.10.2 Extreme values of test power sources . 16
6.10.2.1 Battery power source. 16
6.10.2.2 Other power sources . 16
6.11 Procedure for tests at extreme temperatures . 17
6.12 Reference Bandwidths for emission measurements . 17
7 Environmental tests . 17
7.1 Procedure . 17
ETSI
4 ETSI EN 302 885 V2.2.2 (2017-03)
7.2 Performance check . 17
7.3 Drop test . 17
7.3.1 Definition . 17
7.3.2 Method of measurement . 18
7.3.3 Requirement . 18
7.4 Temperature tests . 18
7.4.1 Definition . 18
7.4.2 Dry heat . 18
7.4.2.1 Definition . 18
7.4.2.2 Method of measurement . 18
7.4.2.3 Requirement . 18
7.4.3 Damp heat . 19
7.4.3.1 Definition . 19
7.4.3.2 Method of measurement . 19
7.4.3.3 Requirement . 19
7.4.4 Low temperature cycle . 19
7.4.4.1 Definition . 19
7.4.4.2 Method of measurement . 19
7.4.4.3 Requirement . 19
8 Transmitter . 20
8.0 General . 20
8.1 Frequency error . 20
8.1.1 Definition . 20
8.1.2 Method of measurement . 20
8.1.3 Limits . 20
8.2 Carrier power . 20
8.2.1 Definitions . 20
8.2.2 Method of measurement . 20
8.2.3 Limits, Normal and extreme test conditions . 20
8.3 Frequency deviation . 21
8.3.1 Definition . 21
8.3.2 Maximum permissible frequency deviation . 21
8.3.2.1 Method of measurement . 21
8.3.2.2 Limits . 21
8.3.3 Reduction of frequency deviation at modulation frequencies above 3 kHz . 21
8.3.3.1 Method of measurement . 21
8.3.3.2 Limits . 21
8.4 Sensitivity of the modulator, including microphone . 22
8.4.1 Definition . 22
8.4.2 Method of measurement . 22
8.4.3 Limits . 22
8.5 Audio frequency response . 22
8.5.1 Definition . 22
8.5.2 Method of measurement . 23
8.5.3 Limit . 23
8.6 Audio frequency harmonic distortion of the emission. 24
8.6.1 Definition . 24
8.6.2 Method of measurement . 24
8.6.2.0 General . 24
8.6.2.1 Normal test conditions . 24
8.6.2.2 Extreme test conditions . 24
8.6.3 Limits . 24
8.7 Adjacent channel power . 24
8.7.1 Definition . 24
8.7.2 Method of measurement . 24
8.7.3 Limits . 25
8.8 Conducted spurious emissions conveyed to the antenna . 25
8.8.1 Definition . 25
8.8.2 Method of measurement . 25
8.8.3 Limit . 25
8.9 Cabinet radiation and conducted spurious emissions other than those conveyed to the antenna . 25
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5 ETSI EN 302 885 V2.2.2 (2017-03)
8.9.1 Definitions . 25
8.9.2 Method of measurement . 26
8.9.3 Limits . 27
8.10 Residual modulation of the transmitter . 27
8.10.1 Definition . 27
8.10.2 Method of measurement . 27
8.10.3 Limit . 27
8.11 Transient frequency behaviour of the transmitter . 27
8.11.1 Definitions . 27
8.11.2 Method of measurement . 28
8.11.3 Limits . 31
8.12 Frequency error (demodulated DSC signal) . 31
8.12.1 Definition . 31
8.12.2 Method of measurement . 31
8.12.3 Limits . 31
8.13 Modulation index for DSC . 31
8.13.1 Definition . 31
8.13.2 Method of measurement . 31
8.13.3 Limits . 31
8.14 Modulation rate for DSC . 31
8.14.1 Definition . 31
8.14.2 Method of measurement . 32
8.14.3 Limits . 32
8.15 Testing of free channel transmission on DSC channel 70 . 32
8.15.1 Definition . 32
8.15.2 Method of measurement . 32
8.15.3 Requirement . 32
9 Receiver . 33
9.1 Harmonic distortion and rated audio frequency output power . 33
9.1.1 Definition . 33
9.1.2 Methods of measurement . 33
9.1.3 Limits . 33
9.2 Audio frequency response . 33
9.2.1 Definition . 33
9.2.2 Method of measurement . 33
9.2.3 Limits . 34
9.3 Maximum usable sensitivity . 34
9.3.1 Definition . 34
9.3.2 Method of measurement . 35
9.3.3 Limits . 35
9.4 Co-channel rejection. 35
9.4.1 Definition . 35
9.4.2 Method of measurement . 35
9.4.3 Limit . 35
9.5 Adjacent channel selectivity . 36
9.5.1 Definition . 36
9.5.2 Method of measurement . 36
9.5.3 Limits . 36
9.6 Spurious response rejection . 36
9.6.1 Definition . 36
9.6.2 Method of measurement . 36
9.6.3 Limit . 37
9.7 Intermodulation response . 37
9.7.1 Definition . 37
9.7.2 Method of measurement . 37
9.7.3 Limit . 37
9.8 Blocking or desensitization . 37
9.8.1 Definition . 37
9.8.2 Method of measurement . 38
9.8.3 Limit . 38
9.9 Conducted spurious emissions . 38
ETSI
6 ETSI EN 302 885 V2.2.2 (2017-03)
9.9.1 Definition . 38
9.9.2 Method of measurement . 38
9.9.3 Limit . 38
9.10 Radiated spurious emissions. 38
9.10.1 Definition . 38
9.10.2 Method of measurements . 39
9.10.3 Limit . 39
9.11 Receiver noise and hum level . 40
9.11.1 Definition . 40
9.11.2 Method of measurement . 40
9.11.3 Limit . 40
9.12 Squelch operation . 40
9.12.1 Definition . 40
9.12.2 Method of measurement . 40
9.12.3 Limits . 41
9.13 Squelch hysteresis . 41
9.13.1 Definition . 41
9.13.2 Method of measurement . 41
9.13.3 Limit . 41
10 DSC Signalling . 41
10.1 Test Method. 41
10.2 Display . 41
10.3 GNSS receiver . 41
10.4 Individual DSC calls . 42
10.5 All ships calls . 42
10.6 DSC call functionality . 42
10.7 DSC message composition . 42
10.8 Prioritized wait . 42
10.9 Alarms . 42
10.10 Standby . 42
10.11 GNSS fix - sending distress . 42
10.12 Tasks - sending distress . 42
10.13 Display - sending distress . 42
10.14 Distress button sub procedure . 42
10.15 Void . 43
10.16 Updating position . 43
10.17 Handling received DSC messages - sending distress . 43
10.18 Alarms - sending distress . 43
10.19 Determining subsequent communications - sending distress . 43
10.20 Automated tuning - sending distress . 43
10.21 Cancelling the distress alert . 43
10.22 Acknowledgements - sending distress . 43
10.23 Termination - sending distress . 43
10.24 Warnings - sending distress . 43
10.25 Tasks - receiving distress . 43
10.26 Display - receiving distress . 43
10.27 Handling received DSC messages - receiving distress . 44
10.28 Alarms - receiving distress . 44
10.29 Determining subsequent communications - receiving distress . 44
10.30 Automated tuning - receiving distress . 44
10.31 Acknowledgements - receiving distress . 44
10.32 Termination - receiving distress . 44
10.33 Warnings - receiving distress . 44
10.34 Tasks - sending non distress . 44
10.35 Display - sending non distress . 44
10.36 Handling received DSC messages - sending non distress . 44
10.37 Alarms - sending non distress. 44
10.38 Automated tuning - sending non distress . 45
10.39 Delayed acknowledgements - sending non distress . 45
10.40 Termination - sending non distress . 45
10.41 Warnings - sending non distress . 45
ETSI
7 ETSI EN 302 885 V2.2.2 (2017-03)
10.42 Tasks - receiving non distress. 45
10.43 Display - receiving non distress . 45
10.44 Handling received DSC messages - receiving non distress . 45
10.45 Alarms - receiving non distress . 45
10.46 Automated tuning - receiving non distress . 45
10.47 Acknowledgements - receiving non distress . 45
10.48 Termination - receiving non distress . 45
10.49 Warnings - receiving non distress . 45
10.50 Communication automated procedure . 46
10.51 Tasks - communication . 46
10.52 Display - communication . 46
10.53 Handling received DSC messages - communication . 46
10.54 Tuning of the receiver and transmitter - communication . 46
10.55 Termination - communication . 46
10.56 Tasks of handling incoming calls while engaged .
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