Garmin GPSMAP 2008 Owner's Manual

Contents

Garmin GPSMAP 2008 Owner's Manual Manual pdf 38 page image

34 GPSMAP ® 2008/2108 Owner’s ManualU sing sonarcapable), cruising, and navigation.NOTE: To show water temperature or waterspeed, change the setting to Auto. If theconnected transducer is capable, the data isshown.Advanced Sonar SettingsTo adjust advanced sonar settings, press whileviewing a sonar screen.Range—the range of the depth scale on the right sideof the screen (Auto or Manual Range).Gain—controls the sensitivity of the sonar receiver(Auto or Manual Gain). To see more detail, increasethe Gain. If the screen is cluttered, decrease the Gain.beam—when using a dual beam transducer, select a Wideor Narrow beam.Frequency—when using a dual frequency transducer,select how the frequencies appear on screen (200khz,50khz, Dual, or Auto).Zoom—zoom in to a section of the Full Screen.The zoom is off, or set to No Zoom by default. Fouroptions are available:• 2x Zoom—twice the magnification.• 4x Zoom—four times the magnification.• bottom lock—locks the zoom window to thebottom.• split Zoom—opens the Split Zoom screen.Depth line—quickly reference a specific depth (Onor Off).A-scope—(dual frequency only) a vertical flasheralong the right side of the screen (On or Off).