I have the helix chirp mega SI g3 unit, and even tho it's just a 7 inch unit, it's still unreal what you can see with the side imaging, and if you see something, you can just press a button and zoom in to get a better look without having be right on top of it, I can't speak for the g2 models, but if they're anything close to the g3, I would say yes, it's worth having for side imaging

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