Garmin gpsmap 5212 User Manual

Using Radar

From the Home screen, touch 

 > 

 > 

 > 

 > 

.

1.  While the guard zone is on, from the Radar screen, touch 

 > 

 > 

 > 

.

2.  Select from the following options:

 (and 

):  Defines a guard zone that does not completely encompass the 

boat. Touch 

, and then touch the point on the screen at which you want the first 

corner of the guard zone. Repeat this with Corner 2.

: Joins the guard zone to completely encompass the boat. Use 

 or 

 

to adjust the size.

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

sentence HDM or HDG.

1.  From the Radar screen, touch the target location to begin targeting. As you move the target over 

objects on the radar, target options appear along the right side of the screen.

2.  Select an option:

Select 

 to mark a waypoint at the targeted object or location.

Select 

 to assign a MARPA (Mini Automatic Radar Plotting Aid) tag to the 

targeted object.
Select 

 to set the Variable Range Marker (VRM) and Electronic Bearing Line 

(EBL) to measure range and bearing to a target.

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