Radar · Radar & ECDIS
It is normally installed on the bridge, with radar scanners/antennas mounted on the mast or superstructure and ECDIS operator stations at navigation consoles. Its primary duty is to support collision avoidance, situational awareness and electronic navigation by presenting radar targets or approved chart/navigation information. In service it interfaces with GNSS, gyro/heading, speed log, AIS, radar scanners, bridge networks, displays and alarm systems. Compared with neighboring entries in the same product family, this record is the exact JRC (Japan Radio Co) JMA-5400 Chart Radar variant; the model designation should be quoted exactly when matching onboard documentation and spares. For exact limits, settings, test values and approved maintenance criteria, refer to the manufacturer documentation for the exact figure.
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What our service work and the manufacturer documentation say about keeping this model running.
Check self-test and alarm logs, scanner condition, antenna rotation where applicable, sensor inputs, display controls, chart/update status for ECDIS, network interfaces and backup arrangements; exact alignment and performance criteria follow manufacturer and statutory documentation.
Carry critical fuses, power-supply modules, cooling fans, interface cards, keyboard/trackball components and approved backup media or display spares according to bridge-system criticality.
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