Using sonar
75
Using sonar
Introduction
The hsb
2
series Fishfinders use sound waves (sonar) to show you what is under
your boat, find fish and show the bottom of a lake or sea. The transducer sends
high-frequency sound waves down into the water; these sound waves strike fish,
the bottom or other objects in the water and are returned as echoes. The fish
finder interprets these echoes to produce a visual representation of what is under
your boat.
For technical information on Sonar refer to:
Appendix C:Sonar
The sonar screen
When you first view the sonar screen, a scrolling bottom graph is displayed. This is
a graphical representation of the echoes seen by the sounder module. As time
passes this image scrolls from right to left and becomes a record of the echoes
seen. A typical sonar picture is shown below:
Tabs
Status
bar
Scrolling
bottom
image
Depth
digits
Fish arch
Depth
scale
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Summary of Contents for H6
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