Help reading Lowrance Mark 4 GPS

[FishNinjaY]

Originally Posted by Honcho

Salty Pirate - I bought the unit about month ago and still playing with it. What setting do you normally have it when fishing La Jolla and/or Mission bay? The manual was saying something about fresh water setting if it is less than 1000 ft - I did buy the 50/200 ducer and really liking it...also can you tell the difference between the 80 vs 50 around the bay area?

I was wondering the same. I had read that the 50/200 is better, but looking at the specs, it sounds like the 83/200 is good out to 1,000ft, and the 50/200 is good out to 2,500 ft. So I was wondering if the image quality was somehow different between the two 'ducers at the depths we are usually kayaking (all less than 1,000ft). If the image quality is same, then I'm assuming you wouldn't see a diff between the 50 and the 83 until you get out to waters deeper than 1,000... right? Anyways, I'm excited to try my new fishfinder when I get back in town.