Quote Originally Posted by keeferfish View Post
I also read RF Interference? I know I have some but it is very sporadic so hard to isolated. I’m grounding the batteries this weekend. Hope it helps. I will check for mud and clean the TD since I was in shallow water.

Why does the latest update matter? If it was working fine and I’m happy why would I ever need to update it? Just wondering. Thanks
Some of the updates include fixes to the extact depth problem you are having...something to do with changes in how the unit processes the information it receives from the transducer. I felt the same as you but sometimes it's to your advantage to update even if you see no obvious reason to do so.