Lowrance HDS-7 LIVE HDS Live Operator Manual - Page 81
Range, Preset range levels, Auto range, Frequencies, Contrast, Palettes, Advanced options
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Range The range setting determines the distance out to the left and right of the center. Preset range levels Select a preset range level manually from the menu. Auto range In auto range, the system automatically displays the whole range from the water surface to the bottom. Auto is the preferred setting for fish finding. Select the range option and then the auto option in the menu. Frequencies Two frequencies are supported. 800 kHz provides the sharpest image without sacrificing range. While 455 kHz can be used in deeper waters, or for expanded range capabilities. Contrast Determines the brightness ratio between light and dark areas of the screen. Ú Note: We recommend that you use the auto contrast option. Palettes Used for selecting the image's color palette. Advanced options Surface clarity Wave action, boat wakes and temperature inversions can cause onscreen clutter near the surface. The surface clarity option reduces surface clutter by decreasing the sensitivity of the receiver near the surface. Flipping the image left/right If required, flips the left/right side of the image to match the direction of the transducer installation. SideScan | HDS Live Operator Manual 81
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