Using Radar

To stop targeting, select Stop Pointing.

Create Waypoint—marks a waypoint at the targeted object or location.

Acquire Target—assigns a MARPA (Mini Automatic Radar Plotting Aid) tag to the targeted object.

Note: MARPA requires the use of a heading sensor. The heading sensor must output the NMEA 0183 sentence HDM or HDG.

MARPA Target (only appears when you are targeting a tagged MARPA object)—opens the MARPA target information window. Remove MARPA objects from this window.

MARPA target

lost Opens MARPA target information

Tracking MARPA object

window

MARPA object

Target options

targeted

Dangerous

MARPA object

MARPA Targeting

Understanding the Radar Overlay Screen

Use the Radar Overlay option to overlay radar information on the Navigation chart.

Radar range

Using Radar

From the Home screen select Radar > Radar Overlay. The radar picture appears in orange and overlays the Navigation chart. Use the RANGE (+/-) keys (GPSMAP 4000 series) or the and keys (GPSMAP 5000 series) to zoom in and out. Zooming while panning the map only affects the zoom scale of the map. The radar range remains the same. Zooming while the map is locked on the boat (not panning) affects the zoom scale of the map and the radar range.

To access additional settings or options for the radar overlay screen, touch or press MENU. Select Adjust Chart > Chart Setup to access the chart options. Select Radar Setup to return to the radar setup options.

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GPSMAP® 4000/5000 Series Owner’s Manual