Mutes/Unmutessounds Statusofthedevice
Themainscreendisplaysinterpretedsonarinformation.Thetopofthescreencorresponds
tophysicalwatersurfaceattheclosestproximityofDeeper.Thebottomofthescreen
correspondstothewaterdepth.
Thesonarpicksuponlywhatisunderneathit.Therightsideofthescreendisplaysmore
recentsonarscaninformation,theedgeofitrepresentscurrentinformation.Whenever