L3 comminications ProTec Installation And Operation Manual
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Contents
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Marine SystemsAviation RecordersRev. 02 Page 1--8July 29/03Automatic Identification System1.3. AIS Description1.3.1. Compact DesignThe completely self--contained L--3 ProTec is the most compact AIS unit available onthe market today with outside dimensions of 6.5” W (16.5 cm) x 3.4” H (8.6 cm) x7.4” D (18.8 cm). It is easily mounted on any surface using either a trunion bracketor flush--mount bracket. The data port on the faceplate provides for easy connectionto any external display in either mounting configuration.1.3.2. Integral Minimum Keyboard Display (MKD)In line with the compact design, the L--3 ProTec is a single--box design incorporatingan integral MKD which is fully IMO compliant. The interface includes a of 2.58” L (6.5cm) x 1.16” H (2.9 cm) (160 x 64 Dots) backlit LCD screen for displaying alphanu-meric text and a multifunction keypad. The closest three vessels within AIS rangewill be displayed with each vessel identified by MMSI and ship name and will displayboth range and bearing to each vessel.The interface has been designed to facilitate data entry and retrieval with a minimumof keystrokes. It also includes a Pilot port designed to allow any user to quickly andeasily attach a portable AIS--compatible display system directly to the AIS trans-ponder for display of the AIS data. This display system can consist of any systemwhich recognizes the NMEA AIS string whether it’s installed on a handheld PC, lap-top PC, or dedicated display.1.3.3. Integral GPSThe L--3 ProTec includes an internal GPS receiver card. The internal GPS providestiming data required for synchronization of transmission. By specifications, ship posi-tional information in NMEA format is to be fed to the transponder from the ships ex-ternal electronic position indicating system through the supplied data cable. The in-ternal GPS requires a dedicated GPS antenna to be mounted on the superstructureand the appropriate connections are supplied on the transponder unit back panel.1.3.4. Data InterfaceEach transponder will be delivered with an IEC--specified NMEA standard data cablerequired to interface to ship’s sensors and external display. The description of thisinterface cable is given in the Installation Section of this manual. The standard kitincludes an eight (8) ft. (2.5 meters) cable and a terminal block to facilitate the finallinkup to the ship’s navigational instruments. |
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