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Re: How to test/debug Datamarine speed and depth gauges?
Do you still have the Datamarine instrument schematics? I want to troubleshoot my sounder - am a retired Elect Engr and consider this a challenge. The service manuals have waveforms photos and adjustment procedures and I have the required test equipment.
Doesn't make economic sense to not send it to DMI, Inc., or just buy a new one, but I would enjoy tinkering!