Zoom Width

Settings: Narrow, Medium, Wide; Default = Wide

Zoom Width adjusts the width of the zoomed view on the Sonar Zoom View, which is on the left side of the display. See Views: Sonar Zoom View for more information.

83 kHz Sensitivity

(Advanced, DualBeam PLUSSonar only [561, 570])

Settings: -10 to +10; Default = 0

83 kHz Sensitivity changes the sensitivity of the 83 kHz beam. Increasing the 83 kHz Sensitivity will display additional weak returns, and decreasing the 83 kHz Sensitivity will display fewer weak returns.

NOTE: 83 kHz Sensitivity is particularly useful for adjustingthe sensitivityof the 83 kHz sonar returns in the Split Sonar View. The 83 kHz sensitivity can be adjusted without affecting the sensitivity of the 200 kHz returns shown in the 200 kHz sonar window.

455 kHz Sensitivity(Advanced, Down Imaging™ only [561 DI, 570 DI, and 571 HD DI])

Settings: -10 to +10; Default = 0

455 kHz Sensitivity adjusts the sensitivity of the 455 kHz beam. Increase the sensitivity to display additional weak returns and decrease the sensitivity to display fewer weak returns.

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Sonar Menu Tab