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Sonar Menu Tab
Zoom Width
(Sonar Zoom View only)
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)
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 adjusting the sensitivity of the
83 kHzsonar returns in the200/83kHz Split SonarView.The 83kHz 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™ Views only
[858c DI, 958c DI])
Settings: -10 to +10, Default = 0
455 kHz Sensitivity adjusts the sensitivity of the 455 kHzbeam. Increase the
sensitivity to display additional weak returns and decrease the sensitivity to
display fewer weak returns.
455 kHz Sensitivity
(Advanced, with optional purchase QuadraBeam
PLUS™ transducer)
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.
The 455 kHz Sensitivity menu option is available when a QuadraBeam
PLUS™ transducer is attached to the Fishing System, User Mode is set to
Advanced (see Setup Menu Tab: User Mode), and Transducer Select is set
to QuadraBeam (see Sonar Menu Tab: Transducer Select).
NOTE: Visit our Web site at humminbird.com to order this accessory online or
contact our Customer Resource Center at 1-800-633-1468.
NOTE: 455 kHz Sensitivity is particularly useful for adjusting the sensitivity of
the 455 kHz sonar returns in the Side Beam View. The 455 kHz sensitivity can
be adjusted without affecting the sensitivity of the 200 kHz returns shown in
the 200 kHz sonar window.