Garmin GPSMAP 3005C - Marine GPS Receiver Owner's Manual

Also see for GPSMAP 3005C: Installation instructions Installation instructions Owner's manual Quick reference guide Template manual

Contents

GPSMAP 3005C Owner’s ManualusIng rAdAr > rAdAr tAb• Bearing Reference—sets your bearing, either Absolute or Relative.Relative calculates the bearing relative to the vessel heading. Absolutecalculates the bearing referring to North.• Navigation Features—allows you to show or hide navigational features onthe Radar Page. Use the ROCKER and the ENTER key to select or clearoptions.• Waypoints—show user waypoints on the Radar Page.• Bearing line—show a bearing line on the Radar Page. The bearingline appears as a line from your current position to the active destinationwaypoint, similar to a traditional lollipop.• Course line—show a course line from your starting point to theactive destination waypoint, which is similar to navigation on a map.MARPA Sub TabThe MARPA sub tab contains settings for Vector Length, Target History, OwnVessel Safe Zone, Time To Safe Zone, Safe Ring Zone, and Velocity Reference.The available MARPA sub tab options are:• Vector length—predicts the target’s approximate position at a set timeinterval. This setting determines the length of the Vector Line, based on thetime interval setting and the target’s speed. The time interval settings rangefrom .05 minutes to 60 minutes.• Target history—is a trail showing a target’s movement. Target Historycan be turned On or Off.• Own Vessel Safe Zone—is a circular area defined by a range setting that iscentered on your own vessel. If a target enters the defined area an alarm issounded. The Safe Zone can be set to a distance between .01 and 2 nauticalmiles.• Time To Safe Zone—sounds an alarm if MARPA determines that a targetwill intersect the Own Vessel Safe Zone within the defined time interval.The time interval settings range from 3 to 24 minutes.• Safe Zone Ring—displays a ring on the Radar Page depicting the OwnVessel Safe Zone.• Velocity Reference—has two settings, Absolute and Relative. Thissetting determines how speed and direction are displayed on the MARPAlist. Relative calculates target speed and direction relative to your own.Absolute shows the target’s actual speed.radar