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The Down Imaging™ models (385ci DI) allow
you to choose 200 kHz or 455 kHz for conical
sonar coverage in the traditional sonar views.
• When set to 200 kHz, only the returns
from the 200 kHz (25°) beam will be
displayed in the Down Imaging™ Views.
• When set to 455 kHz, only the returns
from the 455 kHz (16°) narrow beam will
be displayed in the Down Imaging™
Views.
Imaging Frequency
(Down Imaging™ Views only [385ci DI])
Settings: 800 kHz, 455 kHz; Default = 455 kHz
Imaging Frequency allows you to select which frequency to apply to the Down
Imaging™ beams (455 kHz or 800 kHz). For the best overall image quality and
depth, select 455 kHz. For the sharpest image (but limited depth capability),
select 800 kHz.
75 Degree TotalCoverage
16°
25°
455kHz
200kHz
75°
455kHz
45°
800kHz
75 Degree Total Coverage
16°
25°
455kHz
200kHz
75°
455kHz
45°
800kHz
Sonar Menu Tab