Garmin GPSMAP 4210 Owner's Manual

Also see for GPSMAP 4000 Series: Configuration guide Quick reference guide Owner's manual Owner's manual Template manual

Contents

Garmin GPSMAP 4210 Owner's Manual Manual pdf 44 page image

40 GPSMAP 4000 Series Owner’s ManualuSInG radarUSinGradarUnderstanding the Cruising ScreenUse the Cruising screen to view a full-screen image of the gathered radar information. Your positionis in the center of the screen, and the rings provide distance measurements.Range ringsHeading lineZoom scaleDistancebetween ringsThe zoom scale represents the distance from your position (the center) to the outermost ring.Each ring represents an even division of the zoom scale. For example, if the zoom scale is set atthree miles, each ring represents one mile from the center out. Adjust the zoom scale by using theRANGE (+/-) keys.Cruising screen settingsTo access additional settings or options for the radar cruising screen, press MENU.Gain—controls the sensitivity of the radar receiver. The default setting, Auto, adjusts automaticallyto provide optimal performance. Select Up or Down to manually adjust the gain; select Auto toreturn the gain to the default setting.Rain Cltr—adjust the gain for unwanted clutter caused by rain at close ranges. Select Up orDown to adjust the rain clutter sensitivity.Sea Cltr—adjust the gain for clutter caused by choppy sea conditions. Select Nxt Prset to cyclebetween Rough, Med, Calm, or Off. Select Up or Down to manually adjust the sea cluttersensitivity.Guard Zone—defines a safe zone around your boat. An alarm sounds when a detected object entersthis zone. Select On or Off. If the guard zone is on, you can define the boundaries by selectingAdjust Guard Zone.Corner 1 (and Corner 2): Use the ROCKER as indicated by the arrows ( and ) to definethe size of the guard zone. Select Corner 1 or Corner 2 to change the reference point.Circular: Joins the guard zone to completely encompass the boat. Use Corner 1 or Corner 2 toadjust the size.Corner Corner 2 CircularNav Features—hides or shows distance, arrival time, and bearing when navigating to a destination.••••