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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 PLUS™ Sonar 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 kHzSensitivityisparticularlyusefulforadjustingthe sensitivityofthe83kHz
sonar returns in the Split Sonar View. The 83 kHz sensitivity can be adjusted without
affecting the sensitivityof the 200 kHzreturnsshown in the 200 kHzsonarwindow.
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.
Sonar Menu Tab