5 GENERAL REQUIREMENTS FOR THE PRESENTATION OF INFORMATION
5.1 Arrangement of information
1 The existing paragraph 5.1.1 is replaced with the following:
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"5.1.1 The presentation of information should be consistent with respect to
screen layout and arrangement of information. Data and control functions should
be logically grouped. Appendix 3 of the annex to MSC.1/Circ.1609 on
Guidelines for the standardization of user interface design for
navigation equipment defines groups of related navigational information.
Priority of information should be identified for each application, permanently
displayed and presented to the user in a prominent manner by, for example, use
of position, size and colour."
5.2 Readability
2 The existing paragraphs 5.2.3 and 5.2.4 are replaced with the following:
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"5.2.3 Text should be presented using simple unambiguous language that is easy to
understand. Navigation terms and abbreviations should be presented using the
nomenclature defined in the Guidelines for the presentation of
navigation-related symbols, terms and abbreviations (SN.1/Circ.243, as
revised) and appendix 2 of the annex to MSC.1/Circ.1609 on Guidelines for the
standardization of user interface design for navigation equipment.
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5.2.4 When icons are used, their purpose should be intuitively recognized by
appearance, placement and grouping as defined in appendix 2 of the annex to
MSC.1/Circ.1609 on Guidelines for the standardization of user interface
design for navigation equipment."