Garmin GPSMAP 4008 Owner's Manual

Also see for GPSMAP 4008 - Marine GPS Receiver: Technical reference Important safety information Owner's manual Supplement Owner's manual

Contents

Garmin GPSMAP 4008 Owner's Manual Manual pdf 43 page image

GPSMAP® 4000/5000 Series Owner’s Manual 3uSInG SonarusInGsonarusInG sonarWhen connected to an optional Garmin GSD 22 sounder module and a transducer, your chartplotterbecomes a powerful fishfinder. The GSD 22 connects through the Garmin Marine Network andshares sonar data with every chartplotter connected to the network.Understanding the Full ScreenSelect the Full Screen option to view a full-screen graph of the transducer’s sonar readings. Therange scale along the right side of the screen shows the depth of detected objects as the screen scrollsfrom the right to the left.From the Home screen, select Sonar > Full Screen.SuspendedtargetBottomDepth, temp, andwater speedGPS speed andGPS headingTransducerfrequencyRangeUnderstanding the Split Zoom ScreenUse the Split Zoom screen to view the full sonar data from the graph and a zoomed in portion on thesame screen.From the Home screen, select Sonar > Split Zoom.RangeDepth, temperature,and water speedGPS speed andGPS headingTransducer frequencyZoom levelZoomwindowZoomed depthscale