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Depth Range - Automatic ........................................................... 51
Depth Range - Manual................................................................51
FasTrack ..................................................................................52
Fish I.D. (Fish Symbols & Depths)......................................... 52
FishTrack................................................................................. 55
FishReveal ............................................................................... 55
Frequency (Change Trans Frequency – Seafinder 320DF only) 57
Grayline
..................................................................................... 58
HyperScroll ..............................................................................60
Noise Rejection............................................................................ 60
Overlay Data............................................................................... 60
Ping Speed & HyperScroll.......................................................62
Pop-Up Help................................................................................64
Reset Options.............................................................................. 64
Reset Water Distance ................................................................. 65
Screen Contrast and Brightness ................................................ 65
Sensitivity & Auto Sensitivity.................................................... 65
Set Keel Offset ............................................................................ 67
Set Language ..............................................................................69
Software Version Information....................................................69
Sonar Color Mode........................................................................ 70
Sonar Chart Display Options..................................................... 70
Full Sonar Chart..................................................................... 70
Split Zoom Sonar Chart.......................................................... 71
Split Frequency Sonar Chart (Seafinder 320df only)............72
Digital Data/Chart.................................................................. 73
Sonar Simulator..........................................................................74
Stop Chart................................................................................... 74
Surface Clarity............................................................................ 75
Units of Measure......................................................................... 76
Zoom, Zoom Bar & Zoom Pan..................................................... 76
Section 5: Troubleshooting ...................................................79
Section 6: Supplemental Material .......................................85