Boat repeater NT880 AHR

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Navitron Analogue Heading Repeater type NT880 AHR is Approved and Certificated by Germanischer Lloyd as fully compliant with all aspects of IEC 60945 and may be configured for single or multihead display of NMEA 0183 Heading Data received from proprietary transmission elements (Gyro, TMC systems etc.). In cases involving non NMEA data sources (proprietary Gyros etc. with step by step or synchro type outputs) an Approved Navitron Heading Data Interface may also be employed for conversion of step/synchro signals to NMEA Serial Data. Navitron Heading Data Interface types NT990 HDI & NT925 HDI are available for this purpose. Suitable for 11 – 40Vdc operation, all NT880 AHR Repeater heads are fully interchangeable (no master or slave distinction). Bezel outline dimensions of 192 X 192mm (NT880 AHR) allows the unit to be mounted in the appropriate DIN size panel cut outs if required. A single input is necessary (NMEA heading data in at 4K8 or 38K4 baud) for each Repeater type. Additionally, two power supply inputs (normal and backup) a remote Illumination Control input and a power failure alarm output facility are available with a total of 5 cable entry glands provided. The Repeater type is self aligning (no calibration required) thus both the main and inner cards will automatically align with NMEA 0183 data received. Ships head is simply read from a 150mm diameter (NT880 AHR) main rotating card which is marked in 1° increments with 5° and 10° divisions also defined. The smaller diameter inner card rotates at a rate which is 10 times faster than the main card to provide a clear indication of tenths of a degree.