# 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 4.1: Operating mode

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

(a) If the equipment is able to work in both operation modes it shall provide for the possibility of switching between navigation mode and information mode.
(b) The operation mode in use shall be displayed.
(c) Suitable measures are required to prevent the inadvertent switching off of the navigation mode.

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Source: https://www.legislation.gov.uk/eur/2018/1973/annex/division/ELECTRONIC/section/4/division/4/division/4.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2018-1973/annex/division-ELECTRONIC/section-4/division-4/division-4.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.