iii
Digital Data/Chart.................................................................. 72
Customizing the Digital Data/Chart Screen......................73
Sonar Simulator..........................................................................74
Stop Chart................................................................................... 74
Surface Clarity............................................................................ 75
Units of Measure.........................................................................76
Zoom & Zoom Bar....................................................................... 76
Zoom Pan.....................................................................................77
Sec. 5: Troubleshooting..........................................................79
Sec. 6: Supplemental Material..............................................83