AIS Transponder · Navigation & Bridge Equipment
JRC (Japan Radio Co) JHS-33A is listed in this library as a marine communications and safety radio unit in the GMDSS / AIS Transponder category. Equipment of this class is typically installed on the bridge, in the radio/GMDSS console, or at an associated antenna and transceiver location. Its shipboard purpose is to support ship-to-ship, ship-to-shore, distress, safety, navigational, or operational communications according to its configured function. The exact piping, electrical, control, foundation, and accessory arrangement depends on the vessel and the supplied configuration. No additional verified rating, capacity, weight, dimension, or operating limit is provided in the source entry. Where adjacent models in the same product family differ in rating, size, materials, control options, certification, or accessories, refer to the manufacturer documentation for the exact model-specific differences.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, JRC (Japan Radio Co) first.
What our service work and the manufacturer documentation say about keeping this model running.
Verify primary and reserve power, antenna and feeder condition, distress and safety functions permitted for routine testing, interfaces, audio quality, time and position inputs, and logged self-test results. Any regulatory test or adjustment must follow the vessel's radio procedures and manufacturer documentation.
Carry the model-specific fuses, approved power-supply items, handset or microphone accessories, connector and sealing items, and critical interface or antenna components recommended by the manufacturer and vessel radio-maintenance plan.
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