IC-M423G VHF/DSC
Icom IC-M423G VHF/DSC is a marine VHF radio installation listed in the supplied equipment record. It is normally installed on the bridge, in a radio console or as a portable unit depending on the exact model and approval. Its primary purpose is to provide short-range ship-to-ship, ship-to-shore and distress or safety communications in the marine VHF band. Compared with MF/HF equipment, VHF is intended for line-of-sight communications and uses simpler antenna systems but remains dependent on antenna height, feeder condition and correct channel configuration. The model designation identifies a particular manufacturer configuration, but the supplied record does not define every hardware, material, control, or certification difference to adjacent models. For exact ratings, dimensions, settings, materials, connection details, and variant-specific limits, refer to the manufacturer documentation for the exact figure.
Components & Design
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Technical Data
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Common failures & inspection points
Service & Maintenance
Check antenna and feeder condition, channel operation, audio quality, power supply and emergency or portable battery arrangements where applicable. Test DSC functions only with the approved test method on DSC-equipped radios. Verify programmed identity and position input. RF output and sensitivity measurements should follow manufacturer and GMDSS service procedures.
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