84 GPSMAP
®
4000/5000 Series Owner’s Manual
Radar
Radar Overlay Display Appearance
Adjusting Gain and Clutter on the Radar Overlay
See “About Gain and Clutter” (page 75).
Setting the Radar Overlay Display Orientation
See “Changing the Map Orientation” (page 10).
Setting Data Bars for the Radar Overlay
See “Data Bar Settings” (page 80).
Tracks and Waypoints Settings
Showing Tracks on the Radar Overlay
You can set whether vessel tracks appear on the Radar Overlay.
From the Home screen, select > > > > > .
Managing Tracks
See “Tracks” (page 36).
Selecting a Waypoint Label Type
You can select the type of labels shown with waypoints on the Radar Overlay.
1. From the Home screen, select > > > >
> .
2. Complete an action:
• Select to identify waypoints using labels.
• Select to show comments as waypoint labels.
• Select to identify waypoints using symbols.
Managing Waypoints
See “Waypoints” (page 32).
Alarms and Other Vessel Settings
Setting the Safe-zone Collision Alarm
See “Setting the Safe-zone Collision Alarm” (page 17).
Viewing a List of AIS and MARPA Threats
See “Viewing a List of AIS and MARPA Threats” (page 69).
Showing Other Vessels on the Radar Overlay
AIS requires the use of an external AIS device and active transponder signals from other vessels.
You can congure how other vessels appear on the Radar Overlay. The display range setting congured for the
Radar Overlay is applied only to the Radar Overlay. The details and projected heading settings congured for
the Radar Overlay are also applied to all radar modes.
1. From the Home screen, select > > > > .
2. Complete an action:
• Select to indicate the distance from your location in which AIS vessels appear. Select a
distance.
• Select > to show details about AIS-activated and MARPA-tagged vessels.
• Select to set the projected heading time for AIS-activated and MARPA-tagged vessels.
Enter the heading. Select .
• Select to show the tracks of AIS vessels, and select the length of the track that appears using a
trail.
