I've had a lot of questions lately regarding the screen shots and detail on our Humminbird units. I've used a lot of the manufacturers out there, and I have to say I'll put our Humminbirds up against ANY of them! Here the settings we use:     Settings   Switchfire - We run Max Mode when over 20'. Here's an explanation of what Switchfire is - Clear Mode looks at the most intense part of the sonar beam where as Max Mode is unfiltered data so it will incorporate side lobes. Max mode does adjus