NorthStar Navigation Explorer 660 - Manual (Page 35)

Northstar Explorer 660 Installation and Operation Manual 35
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Comparison of the same fish scenario displayed at different frequencies:
50 kHz display
Dual sceen
200 kHz display
50/200 kHz display 50+200 display
Note the wider
bottom trace
Note the
smaller, defined
fish arches and
more bottom
detail.