Quote Originally Posted by Humminbird_Greg View Post
Marine181, do you get that same constant vertical line next to the centerline even when the boat is drifting with the motor off? If so, tan it is being caused by something to the left of the transducer that is blocking some of the left Si sonar signal. Try raising your motor up to see if it goes away. This is assuming that your transducer is mounted to the right side of your motor. If not, try posting some pictures of your transducer mounting.
Greg,

This was my first trip out but I want to say the motor was trimmed up. I was wondering the same thing, why the streak was showing up on the left side. I assume it was just prop wash. I will be taking the boat out again this weekend to see if I can get it to change.