Humminbird 141c Manuel d'utilisateur télécharger pdf (Page 12)

Understanding Sonar History

It is important to understand the significance

of the 100 Series™ Fishing System display. The

display does NOT show a literal 3-dimensional

representation of what is under the water. Each

vertical band of data received by the control head

and plotted on the display represents something

that was detected by a sonar return at a particular

time. As both the boat and the targets (fish) may

be moving, the returns are only showing a

particular segment of time when objects were

detected, not exactly where those objects are in

relation to other objects shown on the display.

Real Time Sonar (RTS®) Window

A Real Time Sonar (RTS®) Window appears on the right side of the display in the Sonar

View only. The RTS® Window always updates at the fastest rate possible for depth

conditions and shows only the returns from the bottom, structure and fish that are

within the transducer beam. The RTS® Window plots the depth and intensity of a sonar

return (see Sonar Menu - RTS® Window).

The Narrow RTS® Window

indicates the sonar intensity

through the use of colors. Red

indicates a strong return and

blue indicates a weak return.

The depth of the sonar return

is indicated by the vertical

placement of the return on

the display depth scale.

The Wide RTS® Window

indicates the sonar intensity

through the use of a bar

graph. The length of the

plotted return provides an

indication of whether the

return is weak or strong. The

depth of the sonar return is

indicated by the vertical

placement of the return on

the display depth scale.

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Humminbird 141c Manuel d'utilisateur Page 12