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MARPA Symbols not Appearing on the Radar Page

Various Mini Automatic Radar Plotting Aid (MARPA) symbols can appear on a users radar page. Each symbol represents something unique and is described in additional detail below.


MARPA table describing symbols


A heading sensor and a radar must be connected to the chartplotter for these symbols to appear on the radar display. For more information on a heading sensor, see Related Content.


To Display MARPA symbols on the GPSMAP™ 10x2 chartplotter | GPSMAP™ 12x2 chartplotter (non-touch) | GPSMAP™ 4xxx chartplotter | GPSMAP™ 6xxx  chartplotter 

  1. While on the radar page, use the Direction Pad to move the cursor over top of the object to track

  2. Press the Acquire Target button

  3. Press the MARPA Target button

  4. The next screen will review information about the target that was chosen, press the Back button to return to the radar page

To display the MARPA symbols on the GPSMAP™ 7x2 chartplotter | GPSMAP™  9x2 chartplotter | GPSMAP™ 12x2 chartplotter  | GPSMAP™ 7x3 chartplotter | GPSMAP™ 9x3 chartplotter | GPSMAP™ 12x3 chartplotter | GPSMAP™ 16x3 chartplotter | GPSMAP™ 5xxx chartplotter | GPSMAP™ 70xx chartplotter | GPSMAP™ 72xx chartplotter |GPSMAP™ 74xx chartplotter | GPSMAP™ 76xx chartplotter | GPSMAP™ 8xxx chartplotter  

  1. While on the radar page, touch the screen in the location of the target that is to be tracked

  2. Press the Acquire Target button

  3. Press the MARPA Target button

  4. The next screen will review information about the target that was chosen, press the Back button to return to the radar page

To display the MARPA symbols on the GPSMAP™ 3xxx chartplotter

  1. While on the radar page, press the MARPA soft key

  2. Use the Direction Pad to move the cursor over top of the object to track

  3. With the cursor over the object, press the Acquire Target soft key. This can be done for multiple targets


For more information on using MARPA, please refer to the Owner's Manual for the specific GPS device.


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