# Commission Implementing Regulation (EU) 2018/1973 of 7 December 2018 amending Implementing Regulation (EU) No 909/2013 on the technical specifications for the electronic chart display and information system for inland navigation (Inland ECDIS) referred to in Directive 2005/44/EC of the European Parliament and of the Council, Division 9: TEST OF ALARMS AND INDICATIONS

Extent: E+W+S+N.I.

(a) The alarms generated from Inland ECDIS equipment itself as well as the passed alarms delivered to the ECDIS by the connected sensors shall be tested.
(b) The test procedure in navigation mode shall comprise the following situations:
any error in the Inland ECDIS equipment (built-in test equipment — BITE),
missing positioning signal,
missing radar signal,
missing rate of turn signal,
missing heading signal,
radar map matching not possible,
missing AIS signal.
(c) The test procedure in information mode shall comprise the following situations:
any error in the Inland ECDIS equipment (built-in test equipment - BITE),
missing positioning signal,
missing heading signal,
missing AIS signal.
The Inland ECDIS manufacturers have to confirm in their system documentation that the system includes those test procedures and signal indicators in information mode.

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Source: https://www.legislation.gov.uk/eur/2018/1973/annex/division/ELECTRONIC/section/4/division/9 (the official version)
Page: https://openlegislation.uk/eu-regulation-2018-1973/annex/division-ELECTRONIC/section-4/division-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.