126 E-Series Networked Display Reference ManualIsolating bottom fishYou can separate the echoes from fish near the bottom and from the bottom itself byusing the White Line and/or the Bottom Fill features.Note:White Line and Bottom Fill are selected for individual fishfinder windows.75.9ft 10075200 kHz: Auto Gain: Auto High75.9ft 10075200 kHz: Auto Gain: Auto High75.9ft200 kHz: Auto Gain: Auto High75.9ft75200 kHz: Auto Gain: Auto HighD6833-3Standard fishfinder imageThe standard fishfinder image displays thebottom as a combination of features (mud,sand, fish targets etc) with various sonarsignal strengths.White lineWhen this feature is applied, a white lIneis drawn along the bottom (as defined bythe digital depth value) and the detailbelow the bottom removed.Fish near the bottom can now be seenmore easily.Bottom fillWhen this feature is applied, the detailbelow the bottom is removed andreplaced by a single contrasting color.The bottom is now clearly defined and thefish near the bottom can be seen moreeasily.White line and bottom fillWhen both White Line and Bottom Fillare applied, the bottom is defined by a whiteline and the detail below it replaced by asingle contrasting color.Both the bottom and fish near the bottomare now clearly defined.
