Garmin 720 Marine GPS System User Manual


 
58 GPSMAP 700 Series Owner’s Manual
Radar
4. Touch the location of the inner guard-zone corner.
5. Select .
Dening a Circular Guard Zone
You must enable a guard zone before you can dene the boundaries of the zone (page 57).
You can dene a circular guard zone that completely encompasses your boat.
1. From the Home screen, select  >  >  >  >  > 
 > .
2. Touch and drag the location of the outer guard-zone circle, ( ).
3. Select .
4. Touch and drag the location of the inner guard-zone corner.
5. Select .
Setting the Safe-zone Collision Alarm
See “Setting the Safe-zone Collision Alarm (page 14).
Viewing a List of AIS Threats
From any radar view or the Radar Overlay, you can view and customize the appearance of a list of AIS threats.
1. From the Home screen, select .
2. Select , , , , or .
3. Select  >  > .