GPS Receiver · Position & Heading
The Simrad MX612A is a marine satellite-navigation receiver. It is normally installed on the bridge with an external GNSS antenna. It is designed for position, time, course and speed data for navigation and other bridge systems. The operating principle relies on reception and processing of satellite navigation signals. The supplied entry gives no additional verified capacity, pressure, power or dimensional figure for this model. Compared with neighbouring models, the relevant differences are supported constellations, display functions, interfaces and integrity monitoring; these must be confirmed from the installed documentation rather than inferred from the model designation alone. Service and survey attention should concentrate on antenna/cabling, satellite tracking, position comparison, data outputs and alarms. For exact ratings, dimensions, tolerances, test limits and model-specific settings, refer to the manufacturer documentation for the exact figure.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, Simrad first.
What our service work and the manufacturer documentation say about keeping this model running.
Verify the equipment against an independent navigation reference where practicable, inspect antennas/transducers, cables and power supplies, and confirm required sensor inputs and alarms. Check data distribution to dependent bridge equipment and review calibration, chart or configuration status appropriate to the device. Use vessel procedures and manufacturer tests for acceptance.
Carry fuses, connectors, selected power-supply and cooling parts, interface converters and manufacturer-recommended display/processor or sensor spares. Hull-mounted sensor replacement should be planned around the actual access arrangement.
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