# 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 7.3: Test of the displayed features

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

Whether all features included in the test SENC are visible and correctly displayed shall be tested. For this test, the information density shall be switched to ‘all features’. The system shall be capable to at least display all features according to the Presentation Standard for Inland ECDIS (Section 3 of this Annex). Additionally other user-selectable symbol sets are allowed.
If symbols that deviate from the document referred to in point 2(i) of Section 1, the Inland ECDIS Presentation Library, are used for the presentation of any chart information, then they shall:
be legible,
be certain and unambiguous in their meaning,
be of sufficient size to support the nominal viewing distance.
Symbols added to the ECDIS Presentation Library shall be clearly distinguishable from Presentation Library symbols.

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Source: https://www.legislation.gov.uk/eur/2018/1973/annex/division/ELECTRONIC/section/4/division/7/division/7.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2018-1973/annex/division-ELECTRONIC/section-4/division-7/division-7.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.