Garmin GPSMAP 4000 Series Owner's Manual

Also see for GPSMAP 4000 Series: Configuration guide Quick reference guide Owner's manual Owner's manual Template manual

Contents

Garmin GPSMAP 4000 Series Owner's Manual Manual pdf 57 page image

GPSMAP 4000 Series Owner’s Manual marIne netWork: uSInG SonarusInGsonarSetting Up SonarUse the Sonar Setup screen to define and adjust settings universal to all sonar screens.From the Home screen, select Sonar > Sonar Setup.Color Scheme—choose white or blue. This affects the background on all sonar screens, but does notchange the Temp Log screen.Fish Symbols—set how the sonar interprets suspended targets.The unit does not interpret the sonar return data (default).Suspended targets appear as symbols. Background sonar information appears, making thedistinction between fish and structure easier.Suspended targets appear as symbols with background information shown. The targetdepth of each symbol is also indicated.Suspended targets appear as symbols. No background information appears.Suspended targets appear as symbols with no background information shown. The targetdepth of each symbol is indicated.Scroll Speed—adjust the rate at which the sonar scrolls from right to left (Ultrascroll, Fast,Medium, or Slow). If using a speed-capable transducer, select Auto to have the scroll speedautomatically adjust to your boat’s water speed.Surface Noise—show or hide the sonar returns near the surface of the water. Hide surface noise tohelp reduce clutter.Whiteline—highlights the strongest signal from the bottom to help identify its hardness or softness.Off—(default) Whiteline is disabled.High—the most sensitive setting. Almost all strong returns are highlighted in white.Medium—many strong returns are highlighted in white.low—the least sensitive setting. Only the strongest returns are highlighted in white.Overlay Numbers—show or hide battery voltage, water temperature, water speed (if yourtransducer is capable), cruising, and navigation.NOTE: To show water temperature or water speed, change the setting to Auto. If the connectedtransducer is capable, the data is shown.••••