Voyage Data Recorder (VDR) · Navigation & Bridge Equipment
Netwave Systems (Wärtsilä) NW-4100 is identified in the source list as a voyage data recorder. It is installed on the bridge and at the associated antenna, transducer, camera or sensor location, with data distributed to connected ship systems as required. Its purpose is to record selected bridge, navigation, audio and machinery data for accident investigation and operational review. The source record provides no additional model-specific operating figure beyond the listed designation and category. The exact sensor set, recording functions, data interfaces, approval status and redundancy depend on the installed model. The exact model designation distinguishes sensing, recording or communication capability from neighboring bridge equipment; 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.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect sensors, antennas, transducers, cameras, cabling, power supplies and network interfaces applicable to the installed equipment. Compare displayed information with independent references where possible and investigate recurring alarms or missing channels. Verify required outputs to other bridge systems and preserve configuration before approved software or hardware maintenance. Clean exposed sensors and optical surfaces without damaging coatings or seals. Check backup power or recording arrangements where applicable. Refer to the manufacturer documentation for the exact figure for test, calibration, update and recovery procedures.
Keep fuses, selected power-supply and interface modules, cables or connectors, storage media where applicable and manufacturer-recommended sensor or electronic spares. Replacement core units must remain compatible with the approved bridge installation. Preserve configuration and recorded setup data.
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