Tham khảo tài liệu 'electronic navigation systems 3 part 10', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Electronic charts 259 limit. When the vessel exceeds the limit a log entry is made with time and position. A further log entry is made when the vessel returns inside the limit. See Figure . Creating a passage plan A passage plan can be created as follows. 1 Prepare the route. 2 Select the plan tab on the Route panel a typical Route side panel is shown in Figure . 3 Enter departure arrival time and estimated speed. 4 Set any options required. 5 Click on Calc. 6 Click on Report to see the plan. A typical passage plan report for the route of Figure is shown in Figure . Because Navmaster calculates routes almost instantly it is a simple matter to change parameters such as vessel speed date and options. The above has been extracted with permission from the Navmaster User Guide and only gives a very limited overview of the facilities available with the system. More detail can be obtained from the manufacturers PC Maritime Brunswick House Brunswick Road Plymouth PL4 0NP UK. E-mail marketing@ and website . Glossary AHO AIS ARCS ARPA Chart cell Australian Hydrographic Office. Automatic Identification System see Transponder. Admiralty Raster Chart Service. The UKHO proprietary RNC. Automatic Radar Plotting Aid. The smallest unit for geographical data. Each cell has a unique address in memory and may possess different data volume and size characteristics. Chart symbol CIS Course-up display A graphical representation of an object or characteristic. Chart Information System. A display where the heading of own ship is upwards on the screen and the chart moves relative to own ship. CPA Database Closest Point of Approach. A set of stored data used for a particular application which can be assessed as required. Datum DGPS ECDIS See Geodetic datum. Differential Global Positioning System. Electronic Chart Display and Information System. The performance standard approved by the IMO and defined in publications from the IHO .
