Basic Operation

Understanding the Home Screen

When you turn on your Fishfinder 400C, the Home screen appears. Press up or down on the ROCKER, and then press SELECT to choose an option.

note: Options on this screen vary based on the type of transducer installed.

Home Screen

Home Screen

(Dual Beam)(Dual Frequency)

Full Screen

Opens a full-screen graph of the transducer’s sonar readings (page 17).

Flasher (Dual Beam transducer only)

Opens a round flasher to indicate the transducer’s sonar readings as an alternative to the linear graph (page 18).

Split Freq (Dual Frequency transducer only)

Opens a split-screen that uses the full capability of the dual frequency transducer. A 50kHz frequency graph appears on the left; a 200kHz frequency graph appears on the right (page 18).

Split Zoom

Opens a split-screen with the normal graph on the right zoomed to your preferred level on the left (page 17).

Numbers

Opens a set of data fields to show information numerically (page 19).

Temp Log

Shows a customizable graph of the water temperature when using a compatible transducer or sensor (page 19).

Configure

Configure unit settings (page 20).

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Fishfinder 400C Owner’s Manual