Humminbird 409380-1 Marine GPS System User Manual


 
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Use Bottom View to select the method used to represent bottom and structure
on the display. See Sonar Menu Tab to set the Bottom View.
Structure ID™ represents weak returns
in blue and strong returns in red when
Sonar Colors is set to Original. If the
Sonar Colors palette is changed, the
Structure ID™ will display the strongest
return as specified by the palette. See
Sonar Menu Tab: Sonar Colors for
more information.
WhiteLine
highlights the strongest
sonar returns in white, resulting in a
distinctive outline. This has the benefit
of clearly defining the bottom on the
display.
What’s on the Sonar Display