ECDIS Test #1 Study Guide The primary function of the ECDI S is to contribute to_______. - ✔✔Safe Navigation ECDIS should be capable of displaying all chart information necessary for safe and efficient navigation originated by, and distributed on the authority of__________. - ✔✔Government authorized hydrographic offices. ECDIS should facilitate simple and reliable updating of the______. - ✔✔Electronic Navigation Chart ECDIS should reduce the______________. - ✔✔Navigational workload compared to using the paper charts. The ECDIS display may also be used for the display of_____________. - ✔✔radar, radar tracked target information, AIS and other appropriate data layers. When the relevant chart information is not available, some ECDIS equipment may operate in the__________ _. - ✔✔Raster Chart Display System (RCDS) mode INS - ✔✔Integrated Navigational System Electronic Navigational Chart (ENC) - - ✔✔Means a database, standardized as to content. structure and format, issued for use with ECDIS with authorization of IHO. Syste m Electronic Navigational Chart (SENC) - ✔✔Means a database, in the manufacturer's internal ECDIS format, resulting from the lossless transformation of the entire ENC contents and updates. Standard Display - ✔✔The display mode intended to be used as a min imum during route planning and monitoring. Display base - ✔✔Cannot be removed from the display. It is not intended to be sufficient for safe navigation. The chart information to be used in ECDIS should always be______. - ✔✔The latest edition, as correcte d by official updates, of that issued by IHO, or equal government institution. Updates should be stored separately from the ____. - ✔✔ENC ECDIS should be capable of accepting official updates to the ENC data provided in conformity with ________. - ✔✔IHO standards. ECDIS should be capable of accepting updates to the ENC data entered _______. - ✔✔manually ECDIS should be capable of displaying all SENC information. An ECDIS should be capable of accepting and converting an ENC and its updates into a _______ __. - ✔✔SENC 3 different types of displays - ✔✔Display base, Standard display, All other information ECDIS should present the display at any time by a _______. - ✔✔Single operator action it should not be possible to remove information contained in the _______. - ✔✔Base Display ECDIS should display on demand the information about the charted objects _______. - ✔✔Associated with such a position It should be possible for the mariner to sele ct a safety contour from the depth contours provided by the SENC. ECDIS should emphasize______. - ✔✔the safety contour over the other contours on the display. Default safety contour - ✔✔30 m If the safety contour in use becomes unavailable due to a chang e in source data, the safety contour should_________. - ✔✔default to the next deeper contour
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