ii
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
