GPSMAP 5000 Series Owner’s Manual 47
Using Radar
USinG
radar
To enable the guard zone:
From the Home screen, touch Radar > Sentry > Menu > Sentry Setup > Enable Guard Zone.
To adjust the guard zone boundaries:
1. While the guard zone is on, from the Radar screen, touch Menu > Sentry Setup > Adjust Guard
Zone > Move Guard Zone.
2. Select from the following options:
Corner 1 (and Corner 2): Denes a guard zone that does not completely encompass the
boat. Touch Corner 1, and then touch the point on the screen at which you want the rst
corner of the guard zone. Repeat this with Corner 2.
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
Radar Targeting
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.
Cruising Screen - Targeting
Heading line
Target
Target options
2. Select an option:
Select Create Waypoint to mark a waypoint at the targeted object or location.
Select Acquire Target to assign a MARPA (Mini Automatic Radar Plotting Aid) tag to the
targeted object.
Select Drop VRM/EBL to set the Variable Range Marker (VRM) and Electronic Bearing Line
(EBL) to measure range and bearing to a target.
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