45°

800kHz

455kHz75°

16°

455kHz

25°

200kHz

75 Degree Total Coverage

The Down Imaging™ models (386ci 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.

When set to 455 kHz, only the returns from the 455 kHz (16°) narrow beam will be displayed.

Imaging Frequency

(Down Imaging™ Views only [386ci 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.

45°

800kHz

455kHz75°

16°

455kHz

25°

200kHz

75 Degree Total Coverage

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Sonar Menu Tab