Quote Originally Posted by Cray View Post
Think it is under sonar. I know I have seen it a couple of times. I can see it being really good for a front unit with ducer mounted on trolling motor.
I think it is too, Cray. It's called "depth offset". "water level offset" is under chart.

Sent from my SAMSUNG-SM-J320A using Crappie.com Fishing mobile app