Humminbird 385ci User Manual
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What’s on the Down Imaging™ Display
(Down Imaging™ models only [385ci DI])
information about the area directly below your boat. The razor-thin, high- definition
Down Imaging™ reveals a variety of recognizable features so that you can
Upper Range
Clouded Area may indicate a bait ball and
White Streaks may indicate fish.
device is connected to the 300 Series™ Fishfinder. If both devices are connected, then only
Lower Range
Structure
Shadows-Result from a lack of reflected sonar
from a particular area and can be as valuable
for interpretation than the sonar reflected by
the object itself. Use shadows to help you see
the image in 3 dimensions, oriented in space.
You can gain insight into the actual shape of
an object, or the depth to which it has sunk
into the bottom, through shadows on the
display. Objects standing on the bottom cast
a sonar shadow. The longer the shadow, the
taller the object. Fish also cast shadows. You
can use the shadow to interpret how close
the fish is to the bottom.