Quote Originally Posted by Lonnie84 View Post
It is a Gen 1.

Rickie I have a 597ci HD DI would the image from that unit be clearer since it is a dedicated DI as compared to what I'm able to get from my Helix 10 G1?
Yes ... The SI piezoes are pointing 60° to each side ... so any structure that's actually under the boat are in the lower sound strength fringes of the 2 SI beams ... giving very weak returns of structure straight down ...

A dedicated DI piezo is pointing straight down ... where the the strongest part of the DI beam can get strong echo reflections of the structure directly under the boat ...

Rickie