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The Down Imaging™ models (570 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.
75 Degree Total Coverage
16°
25°
455kHz
200kHz
75°
455kHz
45°
800kHz
Sonar Menu Tab