Garmin troubles......

[ice cream man]

I used to have a Lowrance on the boat. It would stop reading completely at a certain speed, although I think it had to do with the way the transducer was mounted, out of the water when on plane But because of the way the hull was made, there was really no place to put a transom mount transducer. Got a Furuno FCV 620 with an Airmar B60 through hull transducer. Best thing I ever did for the boat. Absolutely awesome unit. If you're in the market for a new unit, take a hard look at this unit.

Sorry I couldn't help with your current situation
Good luck
Fintan

Thanks if all else fails will look into Furuno.......ICM

[ice cream man]

Update..........Moved the transducer to inside the sponsom. Had to do it twice - once with silicone - did not read. The second time moved it a little further back & tacked it in place with Putty Epoxy & it's working great at all speeds without any image loss......
Moved the transom mounted transducer ( they installed it right behind the live well clam shell pick up ) to the left outside edge of the Port hull & it also reading at all speeds.......
It's amazing what you can see........Thanks.....ICM

[gottaflylee]

Update..........Moved the transducer to inside the sponsom. Had to do it twice - once with silicone - did not read. The second time moved it a little further back & tacked it in place with Putty Epoxy & it's working great at all speeds without any image loss......
Moved the transom mounted transducer ( they installed it right behind the live well clam shell pick up ) to the left outside edge of the Port hull & it also reading at all speeds.......
It's amazing what you can see........Thanks.....ICM

Thats what I thought was happening.... and you did not have to call me...