Raymarine forum

I have i70 displays and an airmar smart tri multi sensor on board all works except sea temperature have cleaned terminals and only shows dashes. On the setup to correct temperature it shows a - 273.2 C but when adjusted it does not save. Would the problem be a faulty transducer?

With the unit being a smart transducers, we are just repeating the data from the transducer, so I would have to agree that the issue is the transducer and the thermistor within the unit.