Sonar Features menu with Fish I.D. Symbols selected on dual-
frequency menu (left);
box to the left is checked, the feature is on.
Fig. 1 A | Fig. 1 B |
Many fish
arches visible
Fig. 2 A
Fish arches
above structure
Fewer fish
symbols visible
Fig. 2 B
No fish shown
FasTrack graph
confirms fish
Figures 1A and 2A show Sonar Page in normal chart mode (left). Figures 1B and 2B (right) show the same underwater scene with Fish I.D. turned on. Note how arches are replaced with symbols.
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