Just updated my old console unit (gen 1 helix 12 SI non mega) to a new 12 MSI gen4. All of my returns don’t seem great. The MDI and MSI images are not on par with my helix 9 MSI G3n that I have upfront. I can’t figure it out. The MDI is super grainey/pixelated and the water column is completely covered with stuff 24/7. Transducer is mounted on the right side of my jackplate exactly where the old unit’s transducer was mounted so the motor and all of that shouldn’t be an issue because I didn’t have issues with the old unit. My helix 9 g3n is pretty clear so today I check the images upfront on the 9 and at the console on the 12 then swapped head units because they use the same model transducer. The 9” MSI & MDI became super grainey when hooked to the brand new console transducer. When I took the 12” up front and connected it to the trolling motor transducer the MSI was noticeably clearer and the MDI was much better but not clear. What could be the issue? Both units had all settings 100% the same and hooked to the same battery (cranking). When I put the 9” back at the trolling motor where it goes it was crystal clear and my new 12” seems to be completely worthless. I could see stuff much better with my old non mega unit. Issue is constant whether I’m idling or sitting still with motor off. Could it be interference? Bad unit or transducer? I will upload some pics I took. Any help will be much appreciated!
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