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User Manual
2. Fish Finder
This chapter is intended to help you understand how the chart plotter with the
Fish Finder connected operates to improve your fishing.
2.1
UNDERSTANDING THE FISH FINDER PAGE
The display on chart plotters shows a history of time of the echoes received by
the transducer. The chart plotters have a menu that allows adjustments to re-
ceiver sensitivity, depth range and scrolling speed of the Fish Finder display.
Color Bar
5
3
Echogram window
Depth ruler
2
Variable Depth Marker (VDM)
Zoom Bar
8
9
7
4
Digital Depth
Water temperature
Warning message
1
7
1
5
3
6
8
9
A-Scope
10
6
2
6
Alarm Bar
11
4
10
Operating Frequency
11
Fig. 2.1 - The Fish Finder page
The following is a short description of terms listed in the previous Fig. 2.1:
Warning Message
Flashing label "Simulation" when the echo sounder is in Simulation mode.
Echogram window
Graphic presentation of sonar soundings recorded as a continuous profile
scrolling across the screen from right to left. Such recordings represent the
image of the water beneath your boat, items appear as they pass under your
transducer; the items on the right side of the screen are closer to you than
those on the left. The correct interpretation of the Echogram allows retrieving
useful information about what is under the boat. See the following Par. 2.1.1
for more information.
Color Bar
Colored scale located on the left side of the screen that shows the colors used
in the Echogram to represent the echoes strength. The color on the top of the
bar represents the maximum sonar strength, while the color on the bottom of
the bar represents the minimum sonar strength.
Summary of Contents for ES502
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