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Sonar Menu Tab
Zoom Width
Settings: Narrow, Medium, Wide; Default = Wide
Zoom Width adjusts the width of the Zoom window on the Sonar Zoom View.
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 kHz sonar returns in the 200/83kHz 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, 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.