Operation Manual

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User Manual
correct interpretation of the Echogram allows retrieving useful information about
what is under the boat. See the following Par. 6.2.2 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.
Digital Depth
Readout of the current bottom depth.
Water Temperature
Readout of the current water temperature returned by the TEMP 1 sensor
included into specific transducers.
Alarm Bar
Bar located on the right side of the Depth Ruler, showing the shallow water and
deep water alarm values. The alarm is triggered when depth is outside the range.
Depth Ruler
Vertical graduated bar located along the right side of the screen. It is a scale
which reflects the depth of the area being displayed.
Variable Depth Marker (VDM)
Horizontal line on to the Echogram window with a depth label. The up/down
cursor keys can move it up and down. The label displays the depth of the cursor
position. It can be moved to any location pinpointing the depth of a target.
Zoom Bar
Bar located on the left side of the Depth Ruler, showing the portion of the
Echogram currently represented in the zoomed window (on the left part of the
screen). It is turned On selecting the Echo Sounder Split page.
A-Scope
A real time representation of fish and bottom features passing through the beam
of the transducer. It is drawn as horizontal lines whose length and hue is
proportional to the sonar strength returned. When the default palette is selected,
the strongest sonar returns will be shown as the color displayed of the top of
Color Bar while the weakest as the bottom color.
Operating Frequency
Readout of the selected operating frequency.