01-09-2015, 06:36 PM
There are some LCD graphs with a small vertical bar flasher like a Showdown on the right side. That way you can see what happened 5-10 seconds ago. $200 on up . Add GPS for about $100 more. My old Lowrance graph was causing problems with a Showdown 25-30' away but not a Hummingbird 55.
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