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[DG] ST4000 interface w RC425
09-24-18, 10:51 AM
Post: #4
RE: [DG] ST4000 interface w RC425
Hi John,

So you have rewired the NMEA connection as I advised? The initial connections that were being used were incorrect.

Check the voltage between the two NMEA output wires, you should see some sort of fluctuating voltage between 0 and 5v, so if you see no voltage the NMEA interface in the 425 is failed, if you can see a voltage then the NMEA input to the 4000 is failed.

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RE: [DG] ST4000 interface w RC425 - Derek - Raymarine - Moderator - 09-24-18 10:51 AM

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