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The following section explains each menu in detail, and how these adjustments can be used to
obtain the maximum information from the sonar returns.
SENSITIVITY
As the Wide W receives returned signals, the sensitivity of the receiver as adjusted
automatically based on a number of factors such as the depth of the water, and the signal clarity.
In murky water, full of debris, The Wide W will select a lower sensitivity setting. In Clear water,
where there is little debris to defract the sonar signal, the sensitivity is set higher.
The Sensitivity menu allows you to “bias” this automatic setting up or down based on personal
preference.
You can select a bias of +5 to –5, for 11 different bias settings. A bias setting of “0” has no effect
on the automatic function. A +3 setting selects a sensitivity setting three steps higher than the unit
would normally select, so even the smallest returns are displayed on the screen.
A setting of –2 sets the sensitivity two steps below what the unit would normally select, so only
the largest targets or other returns are displayed.