Humminbird 597ci - Manual (Page 17)

7 What’s On the Sonar Display
area under and adjacent to your boat, including the following items:
is connected to the 500 Series™ Fishfinder. If both devices are connected, then only the
RTS (Real Time Sonar) Window™
Structure - where fish may be hiding.
Thermoclines - layers of water with different
temperatures that appear at different depths
and different times of the year. A thermocline
typically appears as a continuous band of
many colors moving across the display at the
same depth.
Bait Ball
Fish - the Fishfinder displays fish as arches
and/or fish icons, and can be set to alarm
when a fish of a certain size is detected.
When a target is detected, a Fish ID+™
symbol appears on the display with the
depth displayed above it. The size of the
symbol indicates the intensity of the sonar
return. The unit will clearly show schools of
Bait Fish as "clouds" of different shapes and
sizes, depending on the number of fish and
boat speed.
Low Sonar Intensity Return
High Sonar Intensity Return
Cursor - available in Freeze Frame and can
be positioned in the Sonar View to provide
depth of a sonar return and bottom depth below
the cursor.