Humminbird 798c, Operation Manual

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8 What’s on the Side Imaging ® Display
Depth - water depth; can be set to alarm
when the water becomes too shallow.
What’s on the Side Imaging
®
Display
Side Imaging® displays a number of easily recognizable features that allow for
bottom composition determines the intensity of the sonar return. For example,
their relative density. Upward slopes that face the transducer reflect sonar
a number of easily recognizable features on the Side Imaging® display that
following items:
Top of the Display - Information from
the side beams are displayed at the top
of the screen. As new information is
received, the historical data scrolls down
the screen. For the most current
information, watch the top of the screen.
Topography Changes - The light part
of the screen shows where the beam is
hitting hard bottom or rising terrain. The
dark part of the screen indicates soft
bottom (sand, mud) or descending
terrain.
Bottom Return - hard bottom
Clouded Area - may indicate a bait ball
and White Streaks may indicate fish.
Freeze Frame & Zoom - Use the 4-WAY
Cursor Control key to move the cursor to
an area on the screen, and press the
ZOOM+ key to see the sonar returns in
greater detail.