Fishfinder - Raymarine L470 Instruction Manual

FishFinder Page
Fish alarm set
Shallow alarm set
Deep alarm set
Buzzer symbol
Auto
features on
Speed
Log/distance
Water
temperature
Bottom
indication
Bottom depth
Figure 3-4 shows a typical FishFinder display. (The FishFinder Page is
also called the "chart" or "bottom graph" display.) As time passes, this
display scrolls from right to left. The scrolling image becomes a record of
the echoes and the bottom seen by the FishFinder as your boat moves.
The images at the right side of the display show the most recent echoes.
Some of these echoes indicate fish, and others show the bottom. As new
echoes are received, the FishFinder "draws" a graph of the bottom. The
bottom graph helps you to tell whether the bottom is rising or falling. It
also allows you to identify the shape or "structure" of the bottom. This can
indicate a reef or shipwreck.
Notice that the scrolling speed of the display does not necessarily match
the speed of the boat. The scrolling speed of the display is called the
32
Auto range on
Auto sensitivity on
Auto zoom on
Fish symbol on
Auto frequency on
Transducer frequency
Operating Instructions
Boat symbol
Water surface
Depth markers
Fish depth
Fish symbol
Range
Fig. 3-4

FishFinder

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