Fishfinder 300C Quick Start ManualZoom DepthZoom Depth is displayed only when 2x or4x zoom is selected.To select the zoom depth:1. From the Home screen, select FullScreen > MENU > Zoom Depth.2. Select Manual Zoom Depth or AutoZoom Depth. If you select ManualZoom Depth, press right or left on theROCKER to adjust the zoom depthwindow, then press SELECT.Depth LineTo reference a specific depth onthe screen:1. From the Home screen, select FullScreen > MENU > Depth Line.2. Select Off or On. If you select On,press up or down on the ROCKERto adjust the depth line, then pressSELECT.Sonar SetupTo change the sonar settings:From the Home screen, select FullScreen > MENU > Sonar Setup.Color Scheme—select White or Blue.This affects the background on sonarscreens.Fish Symbols—sets how the sonarinterprets suspended targets.Suspended targets appear assymbols with backgroundinformation shown, making the distinctionbetween fish and structure easier.Suspended targets appear assymbols with backgroundinformation shown. The target depth ofeach symbol is also indicated.Suspended targets appear assymbols with no backgroundinformation shown.Suspended targets appear assymbols with no backgroundinformation shown. The target depth ofeach symbol is indicated.Scroll Speed—adjusts the rate atwhich the sonar scrolls from rightto left (Ultrascroll, Fast, Medium,or Slow). If using a speed-capabletransducer, select Auto to have thescroll speed automatically adjust to thewater speed of the boat.•••