rivalranger
Well-Known Member
New updates for the 3500 (Ver 1.8.0) & 3600 (Ver 1.5.0) release date 29/12/2006. However the update doesn't fix the tidal height issue, well not on my 3600. Any joy on the 3500?
http://www.lowrance.com/software/Upgrades/upgrades.asp
http://www.lowrance.com/software/Upgrades/upgrades.asp