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CPF180i and CPF300i Page 111
Color Bar
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 minimum echo strength.
Digital Depth
Readout of the current bottom depth.
Water Temperature
Readout of the current water temperature returned by the temperature sensor included
in DST520, DST521, DST523, DST526.
Shallow Alarm Bar
Located on the right side of the Range Bar, the Shallow Alarm Bar shows the range
outside of which the depth measurement will trigger a Shallow Alarm.
Range Bar
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.
Variable Depth Marker (VDM)
Horizontal line on to the Fish Finder page window with a depth label. Move the
ShuttlePoint knob Up or Down to change the position of the VDM. The label displays
the depth of the cursor position. The VDM can be moved to any location pinpointing the
depth of a target.
A-Scope
Real time representation of fish and bottom features passing through the beam of the
transducer, drawn as column of horizontal lines whose length and hue is proportional
to the echo strength returned. The color of the echo strength depends on the selected
display color. When the default palette is selected, the strongest sonar returns will be
shown as red and weaker returns will be shown blue.
Deep Alarm Bar
Bar located on the left side of the Range Bar, 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 Echosounder Split page.
Transmit Frequency
Shows the selected depth transmit frequency. As a reference, 200kHz selection is
normally used to see targets in depth up to 400Ft, and 50kHz is used in water over
400Ft.