I thinkmy transducer is fine. I think it had a hicup of somekind but when the power was really turned off (ie battery switch to OFF) then upon restart all was fine again. I have one of those black box units and if you just turn off screen the black box is on but flashes that the main unit is off. The black box is ON as soon as any battery is on. So after the power was cycled it worked fine all day today, in fact better actually, I think the problem was marine growth on the transducer itself. (I don't paint it)
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