Understanding the Full Screen

The Full Screen is the main screen for both dual beam and dual frequency transducers.

On the Home screen, highlight Full Screen, and press SELECT.

Depth

Temperature

Speed

Suspended

targets

Range

Basic Operation

Understanding the Split Zoom Screen

Use the Split Zoom screen to view the full sonar data from the graph as well as a zoomed in portion on the same screen.

On the Home screen, highlight Split Zoom Screen, and press

SELECT.

Depth, temperature,

and speed

Transducer

mode

Bottom

Zoomed

depth scale

Zoom Range window

Transducer mode

Fishfinder 400C Owner’s Manual