Shopping for a gps/ deptfinder for the boat. I want something simple and the Mark series from Lowrance looks like a bargain. I can't for the life of me figure out the difference between DSI (down scan imaging) and HDI (hybrid dual imaging). The price difference is negligible so i just want to know which one gives a more useful picture of the bottom terrain to pick out underwater structure in relatively shallow water.
Thanks a bunch
Travis
Thanks a bunch
Travis
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