NAV 44/7/4
8. COLOURS AND SYMBOLS
8,1 IHO recommended colours and
symbols should be used to represent the SRNC information.
8.2 The colours and symbols other
than those mentioned in 8.1 should be those used to describe
the navigational elements and parameters listed in Appendix 1
and published by International Electrotechnical Commission
(IEC).l
8.3 The RCDS should allow the mariner
to select whether own ship is displayed in true scale or as a
symbol.
9. DISPLAY REQUIREMENTS
9. 1 RCDS should be capable of
displaylng information for:
.1 route planning and supplementary navigation tasks.
.2 route monitoring.
9.2 The effective size of the chart
presentation for route monitoring should beat least 270 mm by
270mm.
9.3 RCDS should be capable of
displaying simply and quickly chart notes which are not
located on the portion of the chart currently being
displayed.
9.4 The method of presentation should
ensure that the displayed information is clearly visible to
more than one observer in the conditions of light normally
experienced on the bridge of the ship by day and by night.
10. ROUTE PLANNING, MONITORING AND
VOYAGE RECORDING
10.1 It should be possible to carry out
route planning and route monitoring in a simple and reliable
manner.
10.2 RCDS should be designed following
ergonomic principles for user-friendly operation
10.3 Route Planning
10.3.1 It should be possible to carry out
route planning including both straight and curved segments.
10.3.2 It should be possible to adjust a
planned route by, for example:
.1 adding waypoints to a route;
.2 deleting waypoints from a route;
.3 changing the position of a waypoint; and
.4 changing the order of the waypoint in the route.
1 IEC Publication 61174.
I:/NAV/44/7-4.WPD
