Contents ix
Active motion mode ....................................................................................107
Planning mode ............................................................................................107
5.9 Changing the view ............................................................................................108
View options ...............................................................................................108
Multiple views ............................................................................................109
Vessel offset ................................................................................................109
5.10 Aerial photo overlay .........................................................................................110
5.11 Making the view clearer ...................................................................................110
Exaggeration ..............................................................................................110
Declutter .....................................................................................................111
5.12 Using 2D and 3D charts together ......................................................................112
3D view locator ...........................................................................................112
Chart synchronization .................................................................................113
5.13 Using the 3D chart with a fishfinder ..................................................................114
5.14 Navigating with 3D charts ................................................................................114
5.15 Setting up the 3D Chart ....................................................................................115
Chapter 6: Using the Fishfinder ............................................................................117
6.1 Introduction ......................................................................................................117
6.2 How does the Fishfinder work? .........................................................................117
6.3 What can the fishfinder show me? ....................................................................118
Interpreting the bottom structure ...............................................................119
Factors influencing target display ................................................................119
Factors impairing a fishfinder picture ..........................................................120
Seeing a live image .....................................................................................120
6.4 Enhancing what you see ...................................................................................122
Changing the range ....................................................................................122
Shifting the image .......................................................................................122
Zooming in on the bottom ...........................................................................123
Simplifying the bottom image .....................................................................125
Isolating bottom fish ...................................................................................126
Changing how the image scrolls .................................................................127
Changing how the depth digit is displayed .................................................128
6.5 Marking a position ............................................................................................129
6.6 Determining depths and distances of targets ....................................................130
Measuring using VRMs ...............................................................................131
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