Posts: 163
Location: NoDak | You also need a humminbird and a lakemaster brand chip, if you have that chip and the contours are off that much I can only assume that they will take your boat rite off of where you intend to be other benefits are the ability to choose spot locks on your graph and store 3000 spots instead of 6, also when your map is far off but when you know your lake you can make a trail using as few as 2 points or a lot of points to make any desired path for your zig zag trolling pattern
Edited by samuwenn 4/24/2014 11:50 AM
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