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Brad JonesSep 22, 2025
Why does the incoming indicator not sound on my Furuno FELCOM 250 Marine GPS System?
- SSamantha HamiltonSep 22, 2025
If the incoming indicator on your Furuno Marine GPS System doesn't sound, first check that the cable between the incoming indicator and the Communication unit is correctly connected. Adjust the incoming indicator volume by pressing S to increase it. In the Web software, go to Settings ? Basic settings ? Incoming indicator (enabled service) and check if Voice (telephone), FAX, ISDN UDI, ISDN RDI (UDI/ RDI FELCOM 500 only) are selected.