NorthStar Navigation NorthStar 491 manual 2Quick Start Using the Echo Sounder

2Quick Start: Using the Echo Sounder

Displaying the echo sounder’s picture . . . . 2-12

Using demo mode . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Introducing the displayed information . . . . 2-15

Using automatic mode . . . . . . . . . . . . . . . . . . . . 2-16

Changing the frequency of echoes . . . . . . . . 2-17

Zooming in and out . . . . . . . . . . . . . . . . . . . . . . . 2-19

Setup functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22

This chapter shows you how to start using the echo sounder, and explains several of the echo sounder’s important features.

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