Quantum 2 4ft Open
Raymarine Quantum 2 4ft Open is identified in the source list as a marine radar system. The display and controls are normally installed on the bridge, with the radar antenna and transceiver equipment located on the mast or another suitable elevated position. Its purpose is to detect and display surrounding targets and coastline returns to support navigation, collision avoidance and situational awareness. The source record provides the existing record note 'Radar & ECDIS'. A marine radar installation combines antenna, transmitter or solid-state source, receiver, processing, display and navigation-sensor inputs, with the exact architecture depending on the model. The exact model designation and antenna or band information contained in the source distinguish scanner configuration and radar generation from neighboring units; refer to approved manufacturer documentation for the exact figures.
Components & Design
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Technical Data
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Common failures & inspection points
Service & Maintenance
Inspect antenna rotation, scanner condition, waveguide or cabling, power supplies and bridge connections. Verify heading, speed and position inputs are valid and compare radar presentation with known targets. Check alarms, guard functions and target-tracking behavior using the vessel's approved test procedure. Inspect exposed scanner housings for salt, water ingress and damaged seals and maintain safe RF isolation before work aloft. Back up configuration data where supported and document software or hardware changes. Refer to manufacturer documentation for exact performance tests, transmitter servicing and alignment procedures.
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