12.1 Fishfinder introductionWarning: Sonar operation• NEVER operate the sounder with the boat out ofthe water.• NEVER touch the transducer face when the sounderis powered on.• SWITCH OFF the sounder if divers are likely to bewithin 25 ft (5 m) of the transducer.Fishfinder overviewThe fishfinder application provides a detailed view of the fish andseabed under your vessel, enabling you to accurately distinguishbetween different sizes of fish, bottom structure, and underwaterobstacles. The standard fishfinder image is a historical, scrollingbottom graph with range and sonar frequency automatically selectedby the system.The various functions and features of the fishfinder applicationinclude:• Preset modes for easy optimal operation.• Display modes (Zoom, A-Scope or Bottom Lock).• Adjustable range and zoom.• Finding bottom feeding fish with the bottom lock display mode.• Clutter and gain options to simplify the image.• Pausing and adjusting the speed of the scrolling image.• Using waypoints to mark a position.• Determining depths and distances of targets.• Fishfinder alarms (fish, depth or water temperature).Fishfinder screenThe fishfinder displays a scrolling image of the seabed, updatingfrom the right as your vessel makes progress.Example fishfinder screenThe fishfinder window includes the following aspects:• The bottom together with any bottom structure such as reefs andshipwrecks etc.• Target images indicating fish.• A status bar noting the frequency and gain settings.• The bottom depth.Status iconThe fishfinder status icon is located in the top-right section of thescreen:150 C-Series Widescreen user reference
