Standard Horizon FF520 Owner's Manual page 14

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Warning message
Fish Finder window
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Color Bar
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Digital Depth
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Water temperature
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Alarm Bar
7 Depth ruler
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Variable Depth Marker (VDM)
Zoom Bar
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A-Scope
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Operating Frequency
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Following there is a brief description of terms listed in the previous Figure 3.0:
Warning Message
This is a flashing label that is turned on when the echo sounder is in Simulation mode.
Fish Finder window
It is the 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 fish finder page allows retrieving useful information about what is
under the boat. See the following Par. 3.0.0 for more information.
Color Bar
The colored scale located on the left side of the screen that shows the colors used in
the Fish finder page to represent the echoes strength. The color on the top of the bar
represents the maximum echo strength, while the color on the bottom of the bar
represents the minum echo strength.
Digital Depth
Readout of the current bottom depth.
Water Temperature
Readout of the current water temperature returned by the temperature sensor located
into the depth transducer (TEMP1 sensor).
Alarm Bar
Range located on the right side of the depth ruler showing the range outside of which
the depth measurement will trigger an alarm condition. Alarm can be set as to alert the
user of shallow-water conditions, deep-water conditions or both.
Depth ruler
Vertical graduated bar that is located along the right side of the screen. It is a scale
which reflects the depth of the area being displayed.
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Figure 3.0 - The Fish Finder page
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FF520