I bought a used helix 7 SI gen 2 with xhs9hdsi180 transducer and tried it for first time today. When I turned it on and ran the transducer was making a noticeable clicking noise. I have a Xpress duck boat and mounted ducer on an old trolling motor shaft off to my side so its 2 away from me. As I changed settings in the helix it would change the click. Then after an hour or so it quit clicking for a while then a little later I sped up to 1.5 mph and it started clicking again. So my question is is it supposed to click and if not what do I need to look at it to correct it?
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