Hey guys, I have a lowrance hook2 5x gps splitshot hdi on the back of my boat that I mainly use as a depth guage and water temperature guage, it's only about 3 months old and I noticed the last time I used it that it's not showing the water temperature anymore, it just has 3 small lines instead of numbers like normal. Any idea what would be causing it? There has been no damage to the wires or transducer that I'm aware of. Also can you swap transducers on those units, like say if I wanted to put a better transducer on it, will they interchange? Or how do you go about finding that out? Thanks guys

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