Was considering purchasing a Humminbird 571 DI. I read some where that the DI cannot be zoomed in for better clarity. Is this true??
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Was considering purchasing a Humminbird 571 DI. I read some where that the DI cannot be zoomed in for better clarity. Is this true??
True. One can only change depth lines range to get some zoom, but not less than 10 feet between upper and lower lines.