Surface signal
Surface clutter
Digital data overlay (depth & temperature)
Fish arches
Bottom signal 
Depth scale
In FasTrack, fish arches show as horizontal bars.
Sonar Page, showing full sonar chart mode.
44
Surface signal
Surface clutter
Digital data overlay (depth & temperature)
Fish arches
Bottom signal
Depth scale
In FasTrack, fish arches show as horizontal bars.
44
