Guest 300mag Posted March 16, 2001 Share Posted March 16, 2001 Could someone explain what does this navionics option do in my earth map options on my gm100(lowrance).I tried it and it didn't seem to show anything different on my maps. Ok i think i've found it out.It is another mapping software that can be included to the receiver. [This message has been edited by 300mag (edited 03-16-2001).] Quote Link to comment
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