GPSMAP 235 SounderGARMIN Innovation Above And Below The SurfaceCrisp, 4-level grayscale display and GARMIN’s exclusive See-ThruTMtechnology separates black fish returns from the light gray returnsof thermoclines and structure.One-touch instant zoom rescales entire screen, while 2X and 4Xoversampling provides greater detail of the bottom.Innovative split screen displays GPS cartography and sounderdata simultaneously.Graphic whiteline display with Depth Controlled Gain (DCGTM)feature always presents a clear image of bottom hardness, structure,and thermoclines not found in other fishfinders.Excellent sounder dynamic range for viewing weak signals in thepresence of strong signals.The GPSMAP 235 Sounder offers the advantage of an innovativedepth sounder and the proven performance of GARMIN GPS chart-plotting in a single, easy-to-use package.GARMIN’s 235 depth sounder is packed with a combination offeatures you won’t find in any other sounder. Dual frequency operationgives you the clearest possible image in both deep and shallow water.Powerful noise rejection effectively removes the most stubborn crosstalk and interference. 24 square inches of active viewing area givesyou sizeable detail coverage. A variable zoom window allows you toview increased detail at the touch of a button. You can even markunderwater waypoints to capture the position and depth of objectslike reefs, dropoffs or hazards, to permanently store them for futureuse. Combine these innovations with a wide range of additionaladvanced features, and it’s easy to see that the GPSMAP 235 Sounderis designed to give you all the information you need.If having the best depth sounder on the market isn’t enough, addnavigational guidance that is second to none. The GPSMAP 235 Sounder fea-tures GARMIN’s high performance 12 parallel channel GPS receiver forunmatched accuracy and G-chartTM digital cartography for chartplotting oninland or offshore waters.