GPSMAP 2106/2110 Owner’s Manual 75U SING SONAR > SONAR PAGEConfiguring the Sonar PageYou can customize the Sonar page to fit your navigational needs See “ConfiguringMain Pages” on page 31 for more information.To add or remove functions on the Sonar Page:1. Open the Sonar Page, and then press and hold the DATA/CNFG key toopen the Configuration window.2. Using the ROCKER, highlight the function you want to add or remove, andpress ENTER. Only functions with a check mark in the check box next tothem appear on the Sonar Page.To split the screen:1. On the Configuration window, press the Split Zoom soft key to show asplit screen view of a zoomed portion of the sonar.ORPress the Split Freq soft key to show two different frequencies.2. Press QUIT to return to the Sonar Page.Using the FlasherIf you prefer the appearance of flasher sonars, select the Flasher function on theConfiguration window for the Sonar Page. It provides an almost instantaneousreturn of what is below your boat.Sonar Page and FlasherThe most intense, constant signal on the Flasher is the actual depth and bottom.The colors indicate the different strength of the signals.• A soft bottom (such as silt or mud) creates as signal that is narrow andmore faint.• A hard bottom (such as sand or rock) creates a signal that is wider.
