490 Echo Sounder Operations Manual Rev. B2
Page 2-1
Quick Start: Using the Echo Sounder
Displaying the echo sounder’s picture . . . . . 2-2
Using demo mode . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Introducing the displayed information . . . . . 2-5
Using automatic mode . . . . . . . . . . . . . . . . . . . . 2-6
Changing the frequency of echoes . . . . . . . . . 2-7
Zooming in and out . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Setup functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
T
his chapter shows you how to start using the echo sounder,
and explains several of the echo sounder’s important features.