Quote Originally Posted by Humminbird_Greg View Post
If you know of anyone else that has a Humminbird DI model unit; you can cross-test your 597ci HD DI model unit with them. This will show if the problem is in the unit or the transducer.
I am thinking it is the settings, played around with it in the yard a bit and it was trying to read near correct as it can out of the water. My fishing partner has a 597 so I will try that on his boat...