Using GPS with Side Imaging
One of the most awesome features of Side Imaging is the ability to mark waypoints away from the boat and the exact position with the 4Way Cursor. When you see fish or structure you want to mark just use the 4 Way Cursor and move over the structure you want to mark and hit the mark button and you have created a waypoint exactly on top of the structure not the boat position. In this image I have moved the cursor over the rock pile and you can see the Rock Pile Was 87.4 Foot to the Right of the boat Path and is current 155 feet away if I head 197 Degree Bearing from my current boat position.
One thing I like to do when I have a large area like a rock pile I want to fish is add multiple waypoints so I can see the complete outline on the GPS View so I can line up and fish the structure. The Red Dots would be an example of how I mark a Rock Pile or piece of structure so I can see the shape on the GPS View to make it easier to line-up to fish.
Here's a sample of GPS View:
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