Eagle Electronics 640C, 640cDF Fish Finder User Manual


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Pages ...........................................................................................44
Satellite Status Page .............................................................. 44
Navigation Page......................................................................45
Map Page.................................................................................45
Sonar Page ..............................................................................46
Basic Sonar Quick Reference...............................................49
Sonar Operations........................................................................ 50
Fish Symbols vs. Full Sonar Chart........................................ 52
Section 4: Sonar Options & Features..................................53
ASP (Advanced Signal Processing)..................................... 53
Alarms......................................................................................... 54
Depth Alarms..........................................................................54
Zone Alarm.............................................................................. 55
Fish Alarm............................................................................... 56
Calibrate Speed...........................................................................56
Chart Speed................................................................................. 57
ColorLine..................................................................................57
Customize Page Displays ........................................................... 59
Depth Cursor...............................................................................60
Depth Range - Automatic........................................................... 61
Depth Range - Manual................................................................61
FasTrack..................................................................................62
Fish I.D.................................................................................... 62
FishTrack.................................................................................63
Frequency (SeaCharter only) .....................................................64
HyperScroll.............................................................................. 65
Log Sonar Chart Data ................................................................65
Noise Rejection............................................................................66
Overlay Data............................................................................... 66
Ping Speed & HyperScroll....................................................... 69
Reset Options..............................................................................71
Reset Water Distance .................................................................71
Set Keel Offset ............................................................................ 72
Sensitivity & Auto Sensitivity.................................................... 73
Automatic Sensitivity .............................................................73
Sonar Chart Mode.......................................................................74
Sonar Page & Sonar Chart Display Options .............................75
Full Sonar Chart.....................................................................75
Split Zoom Sonar Chart..........................................................76
Digital Data............................................................................. 76
Customizing the Digital Data Page....................................76
Map With Sonar...................................................................... 78
Sonar Simulator.......................................................................... 78
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