GPSMAP 5000 Series Owner’s Manual 45
uSInG radar
usInG
radar
Guard Zone—denes a zone either fully or partially surrounding your boat. An alarm sounds when
a detected object enters this zone. Touch On or Off. If the guard zone is on, you can dene the
boundaries by touching Adjust Guard Zone:
Corner 1 (and Corner 2): Touch Corner 1 and then touch the point on the screen where you
want the rst corner of the guard zone. Touch Corner 2 and then touch the other point on the
screen where you want the other corner of the guard zone.
Circular: Joins the guard zone to completely encompass the boat. Use Corner 1 or Corner 2
to adjust the size.
Corner 1 Corner 2 Circular
Overlay Numbers—shows or hides cruising, navigation, shing, or sailing numbers as on the
navigation chart (page 7).
Radar Setup
—accesses advanced radar settings (page 47).
Targeting on the Cruising Screen
Touch the location of your target on the cruising screen to begin targeting. A green ring and a green
line appear. The green ring corresponds to the range rings to help dene an object’s distance from
your location. The green line corresponds to the heading line to help dene an object’s bearing from
your location. The intersection of the green ring and green line indicate your target. If you select a
target on the side of the screen, the radar shifts to permit easier intersection with the target. You can
reposition the radar by touching and dragging the screen.
Cruising Screen - Targeting
Target
(intersection)
Target options
Heading
Line
To stop targeting and recenter your location, touch Stop Pointing or touch one of the option buttons.
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.
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